There is always a fairly large signal drop in a passive tone stack - anywhere from 6 dB to 30 dB of loss occurs. I decided to try it but with a mini toggle so I could check the differences. It's dead simple to convert it to a Fender type TS ( SS-100 clean), and only requires a couple of caps and resistors. It's a simple to mod it if you're knowledgeable on amp circuitry. amp's guitar speakers. Boss Katana-Artist 100W 1x12 Guitar Combo Amplifier Katana amps have received worldwide acclaim for their authentic tube tone and feel, onboard BOSS effects, and exceptional value. A preamp can offer further tone shaping of two bands of equalization with treble and bass, three bands of equalization with treble, bass and midrange, or even four bands to offer further tonal expansion. i think the vox excels at it. Presence, rectifier, tone stack. The price is great, under 700 USD (barely). Quality guitar amplifiers are designed to precisely reproduce sound while maintaining a clean and accurate tone. so far really liking the results. Lyle Caldwell psionicaudio pisonic psyonic syonic sonic Triad 3. Alternatives. if you match it with some blues you'll get pretty close depending on how you eq it. Classic 10. By the way, the increase in bass for the Night Train sounds unbelievable. The Mercury Magnetics Epiphone Valve Junior Mod. However, I feel that. Maybe I'll solder it up like this next time I change strings. Besides Pete, other users include Jeff Beck of the Yardbirds, the Beatles and Mick Ronson. You may have to register before you can post: click the register link above to proceed. The one drawback to the FY-2 is the tone stack between the Fuzz and Volume controls. A preamp can offer further tone shaping of two bands of equalization with treble and bass, three bands of equalization with treble, bass and midrange, or even four bands to offer further tonal expansion. Replaced all of the power caps. Mod 2 - AC30 tonestack mod: (Original vintage tonestack setup for AC15/30) This one is a little tricky, since there are no spaces on the board to solder a jumper wire off the bass tone pot. It’s also easier to tailor to high gain dirty amps and clean tone amps by varying the TBM tone stacks. Electro Harmonix Little Big Muff «tone Stack Mod» o «Bypass Tone Mod». Yes? Yes!!! They tried to keep the Rat grunge and add a FET type tone blended with it. There appears to be other derrivatives such as the 5879 blues amp, carolina blues rocket 5879, crazy vox 5879, and the hoso 56!. This sounds very nice with a vocal sound. So I've had my trusty Vox AC15 amp for 5 years now… where does the time go!? Since buying it I have not once thought of replacing it, nor have I had GAS (gear. wired with short, brittle leads…. \u003cbr\u003e\u003cbr\u003eTone, tone - and more tone\u003cbr\u003eAlthough the Vox AC10C1 sports only 10 watts, these are tube watts, and this thing gets louder than you would expect. True to form, the Top Boost channel delivers the legendary AC30 sound with a fully interactive tone stack. Vox AC10C1 The Vox AC10C1 was a single input, single channel design with four tubes. Tip #1 - For MAZ 38 and MAZ 18 Reverb amps ONLY. Do the following mods for a more vox ac-15 sound: * R3=220k * C12=1200pF (ie 1. Based on a big muff, but highly modified using a James tone stack (treble & bass), instead of the scooped BMP tone control, and uses a Jfet for the eq recovery stage (w/5 transistors instead of 4). shall not be liable for errors contained in information or be liable for any direct, indirect, special, incidental or consequential damages whatsoever (including lost profits, lost data, or business interruption) related to any use of the data downloaded, viewed or links provided by the Vox website. The picture shows the two removed condensers and some components that have been added. I have read about a few other mods that I would like more info on, like the AC30 tone stack mod (so if you have any links to anything on that mod, PLEASE post them!). For example, BF fenders have tone stacks early in the preamp. 0433 (two caps. Mojotone Quick Order Form! Please, follow these basic instructions to place your order: Add only the numerical characters of the Item Number. 005uF capacitor. Hi all, I have been lurking on this forum. I have an AC15C1 where I have done the bright cap mods, and tone stack changes, retubed with JJ's and installed a UK Celestion Blue. The classic Marshall Stack consists of one head containing the actual amplifier, on top of two stacked 4×12s, which are loudspeaker cabinets each containing four 12-inch loudspeakers arranged in a square layout. The flagship Katana-Artist combo takes Katana performance to new heights, offering all the latest series features along with numerous refinements tailored for the needs of professional players. Note: The Baxandall or James tone stack must have a coupling cap between itself and a tube plate. Improve overall tone of amp, especially overdrive tone. The Vox AC15C1 Custom guitar combo amp offers maximum tonal dexterity to countless guitar players around the world. There are a lot of very well described mods for that amp, including people that use it for bass. Other Simple Ideas 1. You don't have disassemble anything else. Marshall Mods Page. You will love our product. "PRE" places the tone stack at the input to the amp, "POST" places the stack between the preamp and power amp. With the distortion available, it feels considerably louder than a cleaner amp, such as the 4W WF-55. Hi all, I have been lurking on this forum. There are some additional filtering and component changes. Option 1: Small 9v battery-based amp with gain, tone, volume controls (more controllable than Little Gem/Ruby by way of using simple preamp for distortion and LM386 for power amp rather than LM386 for both) Option 2: TL072-based preamp with Vox style tone stack (treble and bass controls), gain, volume. In addition to the Top Boost tone control circuit and gain control, the AC10C1 also included reverb. Nov 07, 2012 10:57 am Nov 07, 2012 10:57 am The VOX Showroom - Vox AC4TVH and V112TV Amplifier. My strat going thru the amp clean sounds a lot fuller and less "ice-picky" than it did previously. Each one has. Schematic Heaven, Tube, Amplifier Schematics. Do get a matched set for the smoothest most balanced tone. 1uF capacitor feeding the ‘Treble’ control, to more guitar friendly values. I do know it's cathode biased, so the tubes are just a swap out deal, no adjustment needed. Now, the Katana-Mini makes serious Katana tone accessible in a small, go-anywhere amp that runs on batteries. It has three controls - tone, volume and output level. Ein Overdrive/Fuzz-Pedal, das mit einer Germanium-Transistor-Vorstufe vor dem Tone Stack ausgestattet ist und das klingen kann wie ein Retro-Fuzz-Pedal, welches vor einen bereits heftig zerrenden Amp gestöpselt wurde. There are a lot of very well described mods for that amp, including people that use it for bass. Looking at this from the opposite perspective, one electron has a negative charge equal to -1. Remember the tone stack was in the NFB loop on those amps, a whole different system. Also check out what R-C-Filters do, muzique. , Rickenbacker 1993. Charge is measured in units of coulombs. The new Vox amps are a cheap / poor imitation of the real ones and don't sound any thing like the real UK ones. The tube sparkle and chewy breakup, the highly reactive tone stack, and even digital models of the inimitable spring reverb and tube tremolo. The new names more accurately represent the actual D topologies and avoid confusion of what "70's-80's tones" mean. Start at 3:15 if you want to skip all the set up and get right to the demo. 70 Amp Mods, 37 Cabs, 16 Mics & 200 FX Global Tone Stack & Volume Knob. It's one of the reasons why (IMHO) Mesa's are hard to use, but sound great when you finally get them right. I ran it thru my 4x12 (celestion golds) and the AC15 sounded great. Metal input jack3. Does any one have the new schematics so that I can make Modifications to the tone stack capacitors and the bright caps. Dont plan on doing the clip mods as I like the tone stack as is but definately will add the Greenback for added low end and that midrange woody growl and extra warm sparkel. Remember the tone stack was in the NFB loop on those amps, a whole different system. So since I did a layout for the Tubeworks 903 I thought to myself if it's basically a tube pre-amp I thought why couldn't the tone stack be modded to that of some legendary amps. Add an SPST ON/OFF mini-switch to the Middle tone pot's ground. Introduced by Fender in 1957 in the 5F6 Bassman, it was later copied by Marshall, Vox, and many other guitar amplifier manufacturers [2]. Router Screenshots for the Sagemcom Fast 5260 - Charter. It has three controls - tone, volume and output level. Caps on the gain pot are 2000pf and 4700 pf. Manufacturer Video. After the mod, the amp boasts clean, sparkling top en. the mods i performed can be found here: Harmony Central Forums i did the bright cap myself and had my amp guy do the tone stack mod. Tone Personally, I don't like it kaya this pedal will undergo major surgery sa mga susunod na araw. The new Vox amps are a cheap / poor imitation of the real ones and don't sound any thing like the real UK ones. For GA-5, B+ needs to be under 300V. Vox put a similar control across the output tubes. Accessories. 70 Amp Mods, 37 Cabs, 16 Mics & 200 FX Global Tone Stack & Volume Knob. I thought it'd be cool to share some of your favorite settings for you and/or your favorite artists. For example, the Normal Channel on a VOX AC30 has no tone stack. See more. The problem here is it is tuned for pretty strong mid range. MUTRON C-200 WAH Volume Vox Wah Tone Ship World Wide - $309. Blackheart Little Giant amp demo - no pedals by Mark Wein 10 years ago 6 minutes, 27 seconds 43,323 views. Vox had some amps that used a three way mid control called MRB (mid range boost) (listen to the end of the Beatles - Back in the USSR and you'll hear this effect being used like a 3 tone wah wah. The Tiny Tone is a single-ended class a amp using a special low voltage output pentode to achieve the real valve tone but at low power. The Sarge amp is a 15-watt, EL84-powered circuit that uses vintage Hammond organ transformers and a Fender Deluxe-style tone stack. These mods should work with any amp that uses a tube preamp with a standard 500k-1M ohm Volume or Gain control. "SKY" and "SSS" are the same tones as "Modern/Classic" from the original clean pedal. A stack with Marshall values - which has simply too many mids for Harp. It provides a much bigger spectrum of tones. If I remember correctly, this tube was used in early Vox amps and was partly responsible for that jangly Vox tone. Vox Brian May AC30 review The most authentic Brian May tone yet, but be warned, it's very loud indeed £1599; $2999; By Music Radar Team 15 November 2007. Others may offer different opinions, but usually it is a good idea to test this with a plan to reverse the mod if you don't like it. Rumor is ch2 is based on a train wreck tone - it get dirty quickly, but not in a 'vox' way. The pedal is excellent now. 21 - A Vox demais tambm no iPhone. This kit addresses a number of issues with this amp by improving the reverb, reducing noise and hum and revoicing the tone stack. (I’ve labeled the switch as STO) Tremendously flexible and great sounding amp. Contact Me. Mods For Rockers. Biasing the EL84 explained: Valve Junior - Mods, Scratch Building, Biasing Also check out sewatt Single-Ended Forums. Carr Mercury V 1x12 Combo Amp in Black tolex This is my third Carr amp. If the Vox tone is the thing you seek, the choice between the AC15 and the AC30 is the first decision one confronts. The Fender/Marshall/Vox TMB (Treble Mid Bass) tone stack has been around since the 1950's and has become a staple with Fender and Marshall amps. TONE FUNC MEM STACK BAND AF SQL O SERIAL Ten-Tec ARGONAUT V Quick Reference On-Off is on the AF control. This mod adds a toggle or footswitch to bypass the tone knob circuit for a nice mid boost! If you would like your pedal modded or upgraded contact: Email: [email protected] This interconnectivity is key; operating one control may influence the behavior of the others. Let's say I want to add a tone stack to a circuit. My amp has the following mods: presence control, tone stack, twin stack, bais control, Power Supply Stiffening Mod, Phase Inverter Oscillation Mod. Charge is measured in units of coulombs. Re: Vox AC15 layouts « Reply #41 on: August 05, 2012, 07:48:53 pm » Notice the Treble and Bass controls of the Vox Top Boost circuit were added in place of the original AC15's Vib/Trem circuitry in that Heritage edition. Aside from swapping in an AlNiCo Blue speaker, the only mod that I know of done on a regular basis has been the bright cap mod. Wampler Distortion Plus Mods A while back Brian Wampler shared a bunch of mods to the classic MXR Distortion Plus circuit in Premiere Guitar magazine. A couple weeks ago I got a Vox ac15c1. The P15SMR was a limited production item and disappeared from the Vox line in early 2004. Do the following mods for a more vox ac-15 sound: * R3=220k * C12=1200pF (ie 1. While the amp stock has one EL-84 tube, the mod kit adds an additional 6V6 tube that gets blended to increase power. Related Links. My take on Carr amps is that they are extremely well built and will compete or beat any vintage or other boutique amp I have tried. The new caps have corrected values to open up the tone and get rid of that boxy sound. I've used it with pleasing results in 3 amps now. 10W Chihuahua adds a full tone stack and tube driven spring reverb. 21 - A Vox demais tambm no iPhone. Post by sidvicious » Thu Jan 24, 2013 3:40 am i run two amps quite often. Bookmark the permalink. I have an AC15C1 where I have done the bright cap mods, and tone stack changes, retubed with JJ's and installed a UK Celestion Blue. To keep the mathematics from becoming overwhelming, we'll make a few assumptions. Fast & Free shipping on many items! Axe Heaven Vox Bass Stack Scale Miniature Collectible Amp - VX-AMP2-1. It's one of Blackstar's selling points for their amps and they even had it patented (they had to patent *something* to brag about 🙂 ). Simply click on the appropriate tab to bring up a different schematic. Boss Katana-Mini 7W Mini Guitar Amplifier BOSS Katana amps have received accolades from guitarists everywhere for their fantastic sound and feel, onboard effects, and great value. With LM-308 right on the casing it is not rocket science to see where it came from. 47uF cap (actually it’s two 0. The real AC30 is one of the most sought after amps in the world. The P15SMR was a limited production item and disappeared from the Vox line in early 2004. Could also insert a Vox TB stack for Baby Vox here. I got to crank it up just now, and it sounds great. An optional Vox VFS2 foot switch is used to control the reverb and tremolo. Change Modes by pressing the key to step through the Modes. These six modes set the general, or a peak frequency for the overall tone and the level knob set the boost amount of that frequency. The problem here is it is tuned for pretty strong mid range. (Here a lower value cap will raise where the tone control will cut the highs higher value will lower it. The Tone Control Vox introduced their first amplifier lineup in the late 1950's and early 1960's. AFAIK it's the only amp that inserted the extra gain stages after the tone stack, unlike most Marshall Mods or Marshall based amp designs, again AFAIK. We keep it true stereo, and the side adjustment knob will work as a tone limiter, too! It will sound like the tone control on your guitar but you can have fun using it like a WAH WAH. Cabinet suggestion: 1x12 or. Common values are 220pF, 330pF and 470 pF. Vox produced several versions of the Wah-Wah with small circuit adjustments:. Super sleek. Changed R11 tone stack slope resistor to 33k. Don't settle for a stock amp, when you can let out the Vox mojo with a few key mods from Fromel Electronics!. The Mercury Magnetics Epiphone Valve Junior Mod. Other Simple Ideas 1. For a comparison of the response curves of different tone stacks, Duncan Amps has a Tone Stack simulator the is really nice. Power supply stiffening cap9. Different tone cap values on each tone pot. i think the vox excels at it. P&M Tone-Stack delivers the guitar amp tone you’ve been yearning for ever since you sold your amp on craigslist. You can also use effects after the guitar signal passes through the pre-amp. The Mercury Magnetics Epiphone Valve Junior Mod. The tube screamer circuit got a common bass boost mod so it doesn’t sound so utterly congested. So since I did a layout for the Tubeworks 903 I thought to myself if it's basically a tube pre-amp I thought why couldn't the tone stack be modded to that of some legendary amps. Well done Dr. Rectifier - Sovtek. Start at 3:15 if you want to skip all the set up and get right to the demo. 1965, with Vox AC 100 and Rose, Morris, Co. If I were you, I would just replace the Bandax tone stack, or whatever the hell its called that is in there, with a fender 5F2a tone stack. 252 results for guitar amplifier kit Amp Amplifier Kit 2. Now the fun thing was that one of the channels cut an EF86 tube into the preamp section. Bill M mods: 1. I have a Mercury Magnetics choke on order, not sure if changing the OT will make. It also has two 3 way switches on the back of the amp as well. It has a surprisingly flexible tone stack that can get warmer or brighter, more midrange or less. New Tone Stack Options: "Mid Shift" and "Deep" 2. MOD 101 Guitar Amp Kit Features: All Tube Design (solid-state diodes used only for full-wave rectification) 60W output power into 4, 8, 16 and 20 Ω; 1 channel with customizable: tone stack, power tubes, negative feedback, input miller capacitance volt divider/LP filter, and preamp cathode bypass cap (all parts included). Re: Baxandall tone stack mod Sat, Apr 06, 2019 11:20pm fusedbrain wrote: Yeah, the original Baxandall was an active tone stack, and the passive version as you would use in an amp is the James. When Marshall copied the Fender 5F6-A Bassman almost verbatim to create the JTM45 amplifier the Fender TMB tone stack came with it and it's still being designed into new amps today. Fast & Free shipping on many items!. Pre-drilled enclosure and all parts are included. 0012uF) * Short out R12 and R13 * C27 = 0. The Treble cap is replaced with a high quality Silver Mica cap. The difference in tone is night and day. It's just great. I generally don't play with tone knobs much as they just don't seem to do much. LOVE me some VOX amps. MASTER level control so you can crank the GAIN's up and overdrive the preamp without overdriving the output tubes. I found one that not alot of info was given on, the tone stack mod. Fender Hot Rod Deluxe Mods Part-1 by Eddie Ciletti. My Crybaby was the only one he modified. Or try the AC30TB tone stack (Bright on) Wikipedia; Vox forum; TOP BOOST = VOX AC30TBX TOPBOOST. The Persuader from MOD Kits DIY (available at modkitsdiy. Set up your plexi or vox to sound semi clean, kick the first stage on for your typical distortion and then dial the 2nd stage in for a big lead boost! -BM808 - last but no least the tried and true tube screamer circuit crammed full of boutique mods, high and low boost toggles, diode switching for high and low gain options, the tone circuit is. The tone stack is modified at R17 (470k put over it) 82k, C5 replaced by 150p, C7 (22n put over it) 44n, as usual. Here are all of the amps that it emulates along with a bit of their history, where you may have heard their signature tones, and how our models compare to the originals. We only use the best hand selected premium parts and wiring techniques that sound and perform better than the stock parts found in today's guitars. Looking at this from the opposite perspective, one electron has a negative charge equal to -1. Of course, tone is in the ear of the beholder, but these ideas do make for an amplifier with a little more ‘oomph’, and address the issues of ‘thin tone’ at less than ear-splitting levels. Pre-drilled enclosure and all parts are included. Used through a Vox, this pedal acts as a booster driver to really push your amp into sonic heaven. Beam Blockers vs. If you only play cleanly, it might be a good mod to try. MadJack,Feb 1, 2014. the mods i performed can be found here: Harmony Central Forums i did the bright cap myself and had my amp guy do the tone stack mod. Then, I learned from Bruce and Jeff and everyone on this forum that it's the preamp design and tone stack that have much more to do with tone shaping, than the actual type of power amp tube does. Wampler Distortion Plus Mods A while back Brian Wampler shared a bunch of mods to the classic MXR Distortion Plus circuit in Premiere Guitar magazine. 99) Find great deals on the latest styles of Vox guitar processor. Research in Bihar, India suggests that a federated information system architecture could facilitate access within the health sector to good-quality data from multiple sources, enabling strategic and clinical decisions for better health. Get the historic Vox tones you have been looking for with the Vox AC10C1. The Tube Amp Hall of Fame | home. It's a tricked out super mod of the old Electro Harmonix LPB-1 circuit that produces some lovely singing overdrive tones reminiscent of an old VOX from their 1960's heyday. It's a simple to mod it if you're knowledgeable on amp circuitry. 1 makes the sound a little fuller. A 220uF / 63V takes us on the safe side, 47uF would also do. Multi-platform Java version. Try with the Plexi tonestack. The circuits are not the same at all, even though it may appear so on the schematics. If you want to fiddle with the tone stack there's a wonderful tool around that's called "Duncan's Tone Stack calculator", makes life a lot easier. The Grey Stache with Clean Blend Mod from Fuzzrocious is based upon the GGG-tuned and Civil War variants of a muff fuzz, forming a versatile bass- and guitar-friendly beast. Sacred Groove Vox mods. However, on the schematic these are listed as 250pF and 750pF, for example in the tone stack. It sounds really better, bigger , defined creamy bass , warm punchy mids and angelic highs without a hint of any harshness. Different tone cap values on each tone pot. So I just put in the Mullard. It's a tricked out super mod of the old Electro Harmonix LPB-1 circuit that produces some lovely singing overdrive tones reminiscent of an old VOX from their 1960's heyday. Charge is measured in units of coulombs. Im I being dumb for caring about that? my chain consists of TU-3- dirt-dirt- M9 and I usually run the m9 in the FX loop Will I miss it too m. 02 to block some low end, The. We sometimes had to try several different component values to get the tone just right. BD-2 Blues Stack Plus Mod - is the newest addition to my BD-2 mod arsenal. It does add a knob on the side of the pedal. Those that do are quite attached to it. Why? The AC4 is more like the tone from an ac30 than an ac15. Keeley has a similar mod that replaces the depth knob with a concentric knob. Cart; Home. Power supply stiffening cap9. A Blues Junior makes a nice platform for gutting out and building a new circuit inside which is my preferred method of modification. R7 1M 100k Remove 220K R8 2. VOX Valvetronix amp - Guitar In jack. As far as I can tell, the Vox Tone Control is a variation of the FMV tone stack used by Fender, Marshall, Mesa Boogie and countless others. It's very easy to dial in - almost like the 5E3 equivalent for Vox amps because it only has a Cut tone control instead of Bass/Mid/Treble. All you need to provide are hand tools, a soldering iron and solder. It's built from a Champion 600 PCB (a AA746/BF Champ circuit w/ fixed tone stack) , but I added the Bass and Treble controls as from the BF/SF Champ, I added a NFB switch, built it with the bigger transformers for use with the 6L6GC (ANOS Sylvania I had lying around) and I built a 1 X 12" combo cab and matching 1 X 12" extension cab. Not sure what causes it. Rumor is ch2 is based on a train wreck tone - it get dirty quickly, but not in a 'vox' way. The slightly anemic character of the Flat mode became the lean, compressed attack of a JCM800 but with a more powerful push that was HiWatt-y in its authority. 6L6 automatically yeilded bouncy fendery tones, and EL34 automatically gave you british hazy midrangy tone. 3 - Vox went with a 56pf treble cap in the tone stack (C16). 1 makes the sound a little fuller. - Power amp power supply to EL84 power valves beefed up to prevent overheating and also to reduce the bias and stop the valves cooking which is an issue with these heads. I decided to try it but with a mini toggle so I could check the differences. 00 Add to cart; Marshall 18 Watt 2×10 (Clone) Read more; Marshall JTM 45 Clone (Half Stack) Read more; Mesa Boogie Subway Blues / Mesa 1×12 and EV 1×15 $ 1,400. Then I fixed the tone stack with correct values for a big muff tone stack. Changing this to the "vintage" 47pf value very slightly reduces the treble. Mods: Cool Mod : Rock/Jazz and boost pull knobs on treble and bass. For one, the Tone Stack is amazing. I have a Vox AC4 cab and an Egnator Tweaker 15 cab and the amp sounds better through the Egnator with the G12H-30 speaker. 6x10-19 coulombs (-1. (Here a lower value cap will raise where the tone control will cut the highs higher value will lower it. A couple weeks ago I got a Vox ac15c1. Re: Baxandall tone stack mod Sat, Apr 06, 2019 5:10am If a Baxandall tone stack sounded any good, Bogner, Friedman, Cameron, Fortin, and everybody else would be doing a "Baxandall mod" and charging big bucks for it. I have read about a few other mods that I would like more info on, like the AC30 tone stack mod (so if you have any links to anything on that mod, PLEASE post them!). Of course if you love your Blues Junior more power to you. For example, the Normal Channel on a VOX AC30 has no tone stack. Placing the treble control after a stage would prevent it interacting with the bass and mid controls. Rectifier - Sovtek. So far, my experience is that I can still get that bright vox chime, but I can also get a much broader set of tones using the tone stack than I was able to before. Each will take a slightly higher degree of Brightness away and will warm up the amp some, remove any harshness, and smooth out the overall distortion. Key: Tone stack loc. Bill M mods: 1. Oscillation cap ANDFender Type III factory. I have an AC15C1 where I have done the bright cap mods, and tone stack changes, retubed with JJ's and installed a UK Celestion Blue. I've just never been able to dial in the right amount of low end on this amp and was hoping this mod would help me begin to remedy the problem. Spend over $200 and get free shipping! We also do special orders. 200 matches. Changing this to the "vintage" 47pf value very slightly reduces the treble. Swapping the 100k resistor for the 220k makes most of the signal pass through the 250pF treble cap. Fender’s ‘65 Princeton Reverb reissue is the obvious choice if you just want classic Fender clean, but a real silverface Princeton Reverb, and many of its boutique clones and even kits, will set you back more than the cost of this ‘68 Custom. Brown Note Amplifiers (www. This is a great mod for pretty much any amp with a TMB (treble mid bass) tone stack. 02uF middle cap shifts the "mid" frequency band higher and reduces the mid scoop by over 2dB. , Rickenbacker 1993. The versatility provided by this setup. My 5e3 would be an exception to that but usually if I'm having a tone issue the tone knob generally isn't the solution. Especially at lower volumes. Here are all of the amps that it emulates along with a bit of their history, where you may have heard their signature tones, and how our models compare to the originals. Contact Me. Oh, and the most important part, the Herdim blue pick. The Fender has been re-issuing the 5F8A 4X 10 Tweed Bassman for quite some time now and it's one of Fender better amps but it does not sound that much like a original Bassman. I have read about a few other mods that I would like more info on, like the AC30 tone stack mod (so if you have any links to anything on that mod, PLEASE post them!). It arrives as a collection of parts to be assembled into a powder-coated purple, pre-drilled Hammond-style cast-aluminum box. Energetic Armament stands by our silencers with a lifetime guarantee. By Rob Robinette. The change from the stock 4'x8' speakers to an old Celestion 12', that coupled with the capacitor mods are dramatic. For sale is my Vox V847 wah with a true bypass mod. Post Cancel. Powered by el84s, this AC15 is a twin channel design that is separated by the input. 005uF capacitor. By positioning the tone controls early in the circuit you have some signal loss. Tubeworks Real Tube 903 Modded Tone Stacks So as most of you guys know when I'm studying for exams I tend to do a bunch of layouts when taking breaks to keep my sanity. This kit addresses a number of issues with this amp by improving the reverb, reducing noise and hum and revoicing the tone stack. Vox AC30C2 Mods with Variable Voltage - MyLesPaul. With two channels, as well as normal and top boost, the Vox AC30 is perfect for crafting your tone on stage and in the studio. MASTER level control so you can crank the GAIN's up and overdrive the preamp without overdriving the output tubes. The stock Class 5 circuit is gain stage > AC coupled cathode follower > tone stack > gain stage > gain stage > output. All you need to provide are hand tools, a soldering iron and solder. These tone stacks affect the amp’s EQ channels, and the values of the electrical components used in making them are what define an amplifier’s sound. How well does the night train do the traditional VOX thing?. Along with improvements in tonal quality throughout the circuit this mod. It's a 25-watt mini stack with a 1x10 cab and tiny, tremolo- and reverb-equipped head that nails the brand's trademark jangle and can dish pretty tough tones, too, with the right guitar and pickups. Biasing the EL84 explained: Valve Junior - Mods, Scratch Building, Biasing Also check out sewatt Single-Ended Forums. On Channel 1, with the Boost engaged, the Tone-Stack is bypassed. Add an SPST ON/OFF mini-switch to the Middle tone pot's ground. As you know, there some great new models out there to Friedman. Placing the treble control after a stage would prevent it interacting with the bass and mid controls. R12 only sets the limit of the bass control range. Try with the Plexi tonestack. After the mod, the amp boasts clean, sparkling top en. x will be o. 2K 5W 820 5W Reduce the B+ voltage looking for 300-310 volts at EL 84 plate pin 7. The RAT Modified Treble, Middle and Bass Controls will sweep from 'Zero-to-Max' on each Frequency. Fender Deluxe 5E3 with Tone Stack Mod. However, I only have the budget and need for a AC10 that I changed tubes and the speaker to an Emminance Red Fang. I took my AC15CC1 to my audiophile friend for the often-discussed cap mod. It can get very loud. Simply click on the appropriate tab to bring up a different schematic. "PRE" places the tone stack at the input to the amp, "POST" places the stack between the preamp and power amp. Tone Stack Calculator. 0022uF signal cap brought in. The classic Fender tone stack naturally scoops out some mid-range. Just snip it on one end, then move it away out of the circuit and your normal channel becomes a screaming gain channel. It wort hes its price. The Gorilla is the follow up offering. There is the typical interactive and effective Vox tone stack and plenty of bass & highs for anything I want to do. There appears to be other derrivatives such as the 5879 blues amp, carolina blues rocket 5879, crazy vox 5879, and the hoso 56!. The amp is very similar to the epiphone valve jr but with a different tone stack. Guitar Valve Amplifier Mods and Modification - Power Scaling - Effects Pedals, and Carbon Fibre Guitars. 6x10-19 coulombs (-1. I have a Mercury Magnetics choke on order, not sure if changing the OT will make. But if I was going to splurge on a new output transformer, first on the list is my Vox AC 30H Custom. 1965, with Vox AC 100 and Rose, Morris, Co. Now the fun thing was that one of the channels cut an EF86 tube into the preamp section. The amp is very similar to the epiphone valve jr but with a different tone stack. The Tiny Tone is a single-ended class a amp using a special low voltage output pentode to achieve the real valve tone but at low power. Tone stack modded to super reverb specs. I know this an old post, but I recently got an AC15C1 Cream, did the AC30 tonestack mod and quickly undid it. So why is it so bassless? C4 and C31 both cut bass pre-dirt or in-dirt around 300 Hz, which is a lot. Re: 4 knob tone stack « Reply #5 on: October 12, 2016, 03:14:14 am » There is also the Merlin's version of the James with the shift control option, but it is a 3 knob Tone Control. Great deals on Guitar Amp Kits. It can get very loud. Because of its ubiquity, the circuit is very well understood with extensive analysis and documentation widely available. Stack Attack The 3-band tone stack also has a Fender flavor, but with an unusually wide-ranging mid control. Replaced all of the tubes with 12AX7’s. Practically, a nickname for the "pre" configuration is "Blues", and for "post" is "Metal". Rock & Roll Hall of Fame Recommended for you. After the mod, the amp boasts clean, sparkling top en. Univox Super Fuzz - tone mod For #FuzzFriday here's the Univox Super Fuzz (again) with a modified tone stack. Increases treble frequencies (or in reality, lowers the bass frequencies). But yes, that part is gooped over. Manufacturer Video. For GA-5, B+ needs to be under 300V. A couple of suggestions: The clean channel tone stack is kind of a Vox thing. Research in Bihar, India suggests that a federated information system architecture could facilitate access within the health sector to good-quality data from multiple sources, enabling strategic and clinical decisions for better health. I had it narrowed down to the VOX AC30C2 and this Marshall DSL 40C. BOSS 7-band EQ pedal [eq2] FX Return Right jack. 5) Vox – Cut The Vox cut control is a pot and capacitor put between the two outputs of a phase inverter. The Laney just blew it away for sound. i think the vox excels at it. Tone King Comet Amp. I have the red one. 6L6 automatically yeilded bouncy fendery tones, and EL34 automatically gave you british hazy midrangy tone. They both sounded better than the new Vox V847. An optional Vox VFS2 foot switch is used to control the reverb and tremolo. You know those things were put there to help balance *relatively* unmatched tubes, and for hum control (although I believe the hum balance was in fact a different circuit (switching to DC for the heaters solved that I believe, or something related to that. They finally got me with. Then I fixed the tone stack with correct values for a big muff tone stack. Verdict, I hate it. If I remember correctly, this tube was used in early Vox amps and was partly responsible for that jangly Vox tone. a very much. key steps upward through the amateur bands. Now I really love chaining the Green Russian and the Fox Tone Machine. The P15SMR was a limited production item and disappeared from the Vox line in early 2004. So far, my experience is that I can still get that bright vox chime, but I can also get a much broader set of tones using the tone stack than I was able to before. There are some additional filtering and component changes. Originally found on 1968–’69 Vox wahs, they’re known for their harmonically rich and cutting vocal quality. The extra distortion control allows you to slightly adjust the corner frequency resulting in a softness control. I have read about the bright cap mod, and I will probably do this. 25uF capacitors in the tone stack, and the. Try with the Plexi tonestack. Instead of just single tone control, we have a six position rotary switch for six different frequency range settings, accompanied by a Level knob. Don't settle for a stock amp, when you can let out the Vox mojo with a few key mods from Fromel Electronics!. The tone stack is one of the main things that gives an amp its particular voice, as it shapes the frequency response pretty drastically. Read More Diago Little Smasher Guitar Amp Review. Ugly Guitar Truth: JHS/BOSS JB-2 Angry Driver Pedal Ever since the announcement of this pedal, my news feed and social media have been blowing up about the new BOSS/JHS collaboration. It was a product of their collaboration with Tony Bruno and was supposedly inspired by the Trainwreck Express amp design, hence the related name. 375 x 24 thread for mounts. Oh and feel free to compare the night train to the AC15. Aside from swapping in an AlNiCo Blue speaker, the only mod that I know of done on a regular basis has been the bright cap mod. Just add an SPST ON/OFF mini-switch to the Mid pot's (or 6. Vox had some amps that used a three way mid control called MRB (mid range boost) (listen to the end of the Beatles - Back in the USSR and you'll hear this effect being used like a 3 tone wah wah. Charge is measured in units of coulombs. VOX MKIV Tonebender Description of the MKIV origin from the captain. VOX MKIV Tonebender This way the overall resistance between the tone stack and and ground remains close enough. - Modified Tone Stack - The Factory Tone-Stack does not allow total tone control, The Controls sweep in a 'Preset-Range'. The above is truly the "secret" of great amp tone. Start at 3:15 if you want to skip all the set up and get right to the demo. A preamp can offer further tone shaping of two bands of equalization with treble and bass, three bands of equalization with treble, bass and midrange, or even four bands to offer further tonal expansion. All kits come with easy to follow instructions and use point to point wiring. Changing this to the “vintage” 47pf value very slightly reduces the treble. Hot Blonde. The Vox AC15C1 Custom guitar combo amp offers maximum tonal dexterity to countless guitar players around the world. Unleash the tone of your Blues JR with these modifications from Fromel Electronics! From the factory, this pint size wonder has a lot of potential, but with some select Fromel tweaks this amp can stand toe-to-toe with some of the finest boutique amps on the market. We design and build vintage pre-wired and DIY upgrade kits. It takes an enormous number of electrons to equal one coulomb. I am thinking about getting one I demoed it for about 30 minutes at the local musicians store here, but was a little put off that there was no effects loop. RIVERA: THE DEFINITION OF TONE. Router Screenshots for the Sagemcom Fast 5260 - Charter. Apart from the tone stack modifications, all the other Titan components and values remain true to the original. Practically, a nickname for the "pre" configuration is "Blues", and for "post" is "Metal". great clean tone dirties up so sweetly switches to 7. Cabinet suggestion: 1x12 or. Looking at this from the opposite perspective, one electron has a negative charge equal to -1. If I remember correctly, this tube was used in early Vox amps and was partly responsible for that jangly Vox tone. guitar wiring mods at DuckDuckGo Stratocaster tone split mod. As you can see also, at aproximately the same “level” value, the overall volume is higher (over -60dB for a wider range in the test), without changing any measurement. The RAT Modified Treble, Middle and Bass Controls will sweep from 'Zero-to-Max' on each Frequency. Vox Brian May AC30 review The most authentic Brian May tone yet, but be warned, it's very loud indeed £1599; $2999; By Music Radar Team 15 November 2007. I have read about the bright cap mod, and I will probably do this. Some of them are simply a re-issued versions of the previous channels. I'm in the middle of building this one and wanted more control over the tone than just the on/off switch of the original. My favorite Class A Vox-style amp is the AC-20. But the most awesome thing about it is actually the gating. I found one that not alot of info was given on, the tone stack mod. The Rx is like the love child of a vox and marshall. Bright Pull-Switch on F and M Gains. No ground = no tone stack which gives you a very significant signal boost and pure "raw" unaltered tone. Vox AC30/6 amplifiers from around 1963 had already implemented the top boost, and therefore had three tone controls. , Rickenbacker 1993. Classic style 3-BAND TONE STACK for extended flexibility in shaping your tone. Each setting reconfigures the tone stack and gain. I was looking at some of the 18W threads and mods as well. One coulomb of charge flowing per second equals one ampere of current. 00 Cyber-Champ. Start at 3:15 if you want to skip all the set up and get right to the demo. Some of them are simply a re-issued versions of the previous channels. Squelch is on its outside ring. The Cool setting produces the orthodox Top Boost sound, while the Hot setting bypasses the tone circuitry altogether to create a more pure sound to achieve richer gain. Here's a link (there are others if you search under "AC15 bright cap mod:" Vox AC15 Mod Guide | END OF THE GAME The two modifications above made the amp really nice. here's what i do on all setups. Turning it up further begins boosting the signal and it ends up becoming an edge-of-breakup blues sound. Crude 'Tone' control is actually 'Treble Cut'. Tone King Comet Amp. Tone Stack Bypass or "Raw Switch" This is a great mod for pretty much any amp with a TMB (treble mid bass) tone stack. Information My account. It also has two 3 way switches on the back of the amp as well. i'm not a jazz player, but i love warm jazz tone. "END" places the tonestack after the power amp simulation. Just a Vox, Strat and mod delay. Mitchell Directivity Mod. 22uF) to the first cathode bypass cap. Caps on the gain pot are 2000pf and 4700 pf. I really recommend this mod or one like it if you own this pedal and think you may benefit from it. 14, and other high quality audio effects and custom audio solutions. MASTER level control so you can crank the GAIN's up and overdrive the preamp without overdriving the output tubes. By touching the tone control, the curve can be modified (I leave it for a next article). It is solid-state. This setup was the 5725 going into a coupling cap and volume pot then another gain stage followed by a cathode follower with a TMB tone stack before the PI. Rumor is ch2 is based on a train wreck tone - it get dirty quickly, but not in a 'vox' way. On a lot of the disc capacitors they are labelled, for example, 250K, 750K etc. But I was leaning towards making one channel like a 2204. But it's worth noting that the traditional Top Boost circuit requires one and a half dual-triode 12AX7 tubes to do its thing, plus another full 12AX7 for the phase inverter. There's still plenty of adjustment in the tone controls. Mostly the TBM Marshall or Fender type tone stacks have a mid scoop that lends itself very nicely to guitars with magnetic pickups. Hi there Cliff. But if I was going to splurge on a new output transformer, first on the list is my Vox AC 30H Custom. It has a surprisingly flexible tone stack that can get warmer or brighter, more midrange or less. The result is an overall gain reduction combined with possible bass and treble boost. FV-50 Volume -> Tone pedal mod ; We can mod the FV-50 into a tone control pedal. The classic Marshall Stack consists of one head containing the actual amplifier, on top of two stacked 4×12s, which are loudspeaker cabinets each containing four 12-inch loudspeakers arranged in a square layout. The classic Fender tone stack naturally scoops out some mid-range. PRS J-MOD 100 Tube Set - Shop with AmpTubes and get 5% off your first order. This mod does lead to a little more insertion loss, so there is a small penalty to pay for the. Lyle Caldwell psionicaudio pisonic psyonic syonic sonic Triad 3. The above is truly the "secret" of great amp tone. I've used it with pleasing results in 3 amps now. I know OP doesn’t want to mod, but for anyone else’s knowledge you can solder a piece of wire across two connections of the mid pot and that will give you the ability to completely control bass/mid/treble. Another AC15cc1 Mod Last night, out of curiosity, I preformed the “Standard/Custom EQ Mod” on my AC15CC1 as instructed on this site: Vox AC15CC Mod Guide | GuitarPug. Key: Tone stack loc. If you need us, we will be there to take care of your silencer. I have an AC15C1 where I have done the bright cap mods, and tone stack changes, retubed with JJ's and installed a UK Celestion Blue. 10W Classic 10 uses a 6L6 with volume, tone and boost controls. AC50 Amp schematic (Vox Sound Ltd, 1976) AC50 Amp schematic (Joe Piazza) AC100. Tone stacks - especially the three-knob sort - suck out loads of gain, and usually have at least one extra gain stage to drive them. Line 6 21 st Century Clean – To create this Amp Model, we essentially grafted the preamp and tone stack of a JC120 (Roland’s popular “Jazz Chorus†solid state combo) onto the power amp and transformer of a classic Marshall® JTM-45 tube head, thereby giving you the crisp and clear front end typical of a solid state amp. Brand Search. In fact, it takes about 6. I thought it'd be cool to share some of your favorite settings for you and/or your favorite artists. Apart from the tone stack modifications, all the other Titan components and values remain true to the original. 2016: Therefore change R24 (according to the plan. Router Screenshots for the Sagemcom Fast 5260 - Charter. Three Melbourne guitarists drop and play a Gibson Jeff Tweedy SG with a Vox AC15HW. In the excellent tome 'The Ultimate Tone' writer Kevin O'Connor states "All Vox products - but especially the AC30 - are a serviceman's nightmare…. With this setup, the available frequency range is next to unlimited. i'm not a jazz player, but i love warm jazz tone. The ultimate surf guitar tone has several elements: a guitar, the amplifier, reverb, tremolo, and vibrato, but the sound starts with the guitar itself. by adapting the Vox model). wired with short, brittle leads…. You will be presented with a list of items after entering 3 digits, select one of them. One thing that really impacts the tone is the design of the tone stack. At least much that actually improves the tone. 1, High Voltage Pre Mod2, Standby Switch Mod3, Switch Craft Jack Mod4, Basic Green Board Upgrade Kit ModsBasic upgrade kit mods include Tone Stack, Bias Control and Power Siffener Mods. Changing this to the "vintage" 47pf value very slightly reduces the treble. got such great tone out of his that I checked it out after the show, and wrote down the model name. When Marshall copied the Fender 5F6-A Bassman almost verbatim to create the JTM45 amplifier the Fender TMB tone stack came with it and it's still being designed into new amps today. We listened. A modded Rat. Electro Harmonix Little Big Muff «tone Stack Mod» o «Bypass Tone Mod». RIVERA: THE DEFINITION OF TONE. By positioning the tone controls early in the circuit you have some signal loss. key steps upward through the amateur bands. Post by Gainzilla » Fri Mar 15, 2019 3:51 am Hey all, I do a ton of amp mods, and am working on a Dumble style amp mod. The vox only uses hard clipping which is nearly non existent till the boost section is engaged. And lastly swapping the. x beta because it’s just too buggy and slow compared to 3. Tone Stack Calculator. 3 user reviews of AC4TV by Vox. Combining tube sound and feel with next-generation tonal diversity, the BOSS Nextone Artist (80W) and Stage (40W) provide unlimited expression with four power. When the tonestack is bypassed, the signal goes through C28 which in conjunction with the volume pot (we're ignoring the slight impact of R35 because we're jumpering it - read on for that) creates a highpass. Does any one have the new schematics so that I can make Modifications to the tone stack capacitors and the bright caps. I decided to try it but with a mini toggle so I could check the differences. The real most tone stacks (Fender, Marshall, Vox) are the same circuit with different component values for the capacitors and resistors, or different relationship between the controls and the resistances. Looking around at other vendors I noticed this thing sells for $400-$450 well heck this is a pretty good sale so I kept wondering. Hiwatt D50L (Half Stack) Read more; Ibenez TSA15 H with Matching Cab 1×15″ $ 650. Set up your plexi or vox to sound semi clean, kick the first stage on for your typical distortion and then dial the 2nd stage in for a big lead boost! -BM808 - last but no least the tried and true tube screamer circuit crammed full of boutique mods, high and low boost toggles, diode switching for high and low gain options, the tone circuit is. Our products are hand custom built to order and will dramatically improve your guitars tone and performance. - Preamp and tone stack rebalanced to get a smoother sound and more range to the tone controls. You decide which sounds better. Fast & Free shipping on many items!. 0012uF) * Short out R12 and R13 * C27 = 0. no mods (yet!), a Vox Pathfinder 15 v9158, a Vox MINI3 Modeling Amp, and a AP2-AC tiny headphone amp for. And with the convenient Power Control, you’re able to roll back the overall volume while retaining the expressive tone and feel of a cranked-up amp. Guitar Valve Amplifier Mods and Modification - Power Scaling - Effects Pedals, and Carbon Fibre Guitars. 2014 Tweed Blues Jr. Components: Values can be altered simply by double-clicking on the component. A regular TMB tone stack would require a little extra work. Tone stack types: Fender modern, Vox, Marshall, James (passive predecessor to Baxandall), Fender E series, Steve Bench, Hiwatt tone stack, and now the Big Muff tone stack used in FX units. Burgaw, NC 28425 Phone: 910-259-7291 Fax: 910-259-7292 Call Us: 800-927-6656. (Here a lower value cap will raise where the tone control will cut the highs higher value will lower it. If you type this into a capacitor calculator it comes out as 25pF, 75pF and 50pF at 10%. Portable Guitar Amp With Distortion / Bass Amplifier - 9v / LM386 IC: This is a really simple portable guitar amp project you can complete in an afternoon ; with the parts you need at hand. Start at 3:15 if you want to skip all the set up and get right to the demo. The new Vox amps are a cheap / poor imitation of the real ones and don't sound any thing like the real UK ones. Note other hi gh quality caps rather than WIMAs can be used but the values are important. The above picture is a graph for a modified version of the tone control from early Vox amplifiers. 4 – they have made the Normal channel fairly useless in tone (way too dark or way too bright) and limited its max gain. I liked the fact that the Vox has a master volume and also a dual band tone stack. Change Modes by pressing the key to step through the Modes. By the way, the increase in bass for the Night Train sounds unbelievable. The mod gives more flexibility to the tone as you can adjust mid and high frequencies independently. The Mesa MK IIB, which I use, just uses a Fender tone stack, but still has an extra gain stage even when clean. Looking at this from the opposite perspective, one electron has a negative charge equal to -1. The bright cap on t=other model Vox Amps has been a bit different. The amps tone stack features a beautiful, spread out tone that is at once huge and clear. I'll speak briefly about each: The LTD was second-hand and had EMG 81/85 when I acquired it. In fact, it takes about 6. com Facebook. Presence, rectifier, tone stack. Burgaw, NC 28425 Phone: 910-259-7291 Fax: 910-259-7292 Call Us: 800-927-6656. It was a product of their collaboration with Tony Bruno and was supposedly inspired by the Trainwreck Express amp design, hence the related name. Clean tone: This is where this amp totally kills. If the cathode follower is not to your liking, you could have the one-half of that 12AX7 to use as you desire. Another AC15cc1 Mod Last night, out of curiosity, I preformed the “Standard/Custom EQ Mod” on my AC15CC1 as instructed on this site: Vox AC15CC Mod Guide | GuitarPug. Just turn up the Tone Cut knob when the volume is down if it's too bright. Dirty Tones: In true Vox form, this is where this amp somewhat falls apart. Just add an SPST ON/OFF mini-switch to the 6. "post" means the tone controls are after the "Gain" distortion. Accessories. 4 - they have made the Normal channel fairly useless in tone (way too dark or way too bright) and limited its max gain. Changing resistors won’t make a pedal breath or have more dynamics in my experience. Unnervingly, if you see it enough it even begins to make sense. There is a bright cap mod that is similar to the LNT's Bright Cap/C19 mod. If I remember correctly, this tube was used in early Vox amps and was partly responsible for that jangly Vox tone. The ultimate surf guitar tone has several elements: a guitar, the amplifier, reverb, tremolo, and vibrato, but the sound starts with the guitar itself. The Girth channel features a Gain control and a channel Volume. The amp uses an EF86 Pentode valve circuit (developed by Vox in 1960) in the preamp channel, combined with the 1963 Top Boost channel, coupled with Vox's modern tone-shaping control enhancements. Unleash the tone of your Blues JR with these modifications from Fromel Electronics! From the factory, this pint size wonder has a lot of potential, but with some select Fromel tweaks this amp can stand toe-to-toe with some of the finest boutique amps on the market. Maybe I'll solder it up like this next time I change strings. The Jumbo Tone Bender and the 3-knob Foxey Lady are also similar to the Big Muff, so check those out for ideas. Just snip it on one end, then move it away out of the circuit and your normal channel becomes a screaming gain channel. These have 2 channels, 1 is a clean/bright channel, 2 removes the tone stack and adds a gain stage from another tube = crunchy, dirty. The problem here is it is tuned for pretty strong mid range. It also has two 3 way switches on the back of the amp as well. They pair up nicely. I did some mods to my Vox, but I think I have the AC15cc1.