Billm Tone Stack Mod

They are separate volume and tone controls for each channel. Of course if you love your Blues Junior more power to you. Players like Tom Morello and Billy Corgan are famous for using these amps. Iron Stack with Braided Wire Floor Lamp Height: 62 We have added a White Lacquer finish to the collection for that glamorous Mod touch. Mod Your Fender Pro-Jr!: Hi, in this instructable i will show you ways to mod your pro-jr to change the sound in pretty much every ways. BTDT; I'll tell you the same thing Bill would probably tell you. Nice before a tone stack (EQ controls). Had all the short pants gain the guy was looking for. I did a bunch of Billm mods. The blend pot will take its function, in quite original. Tone Tubby 40/40 and tubed w/ a full set of JJ's. Posted on June 11, 2014 by nosguitar. The amp's tone stack features a beautiful, spread out tone that is at once huge and clear. The mods on this page will work with a blues deluxe too. A few (fairly) easy Blues Jr. Next comes the drive stage. Re: 'Shape' tone control Mods for Orange TH30? Post by Randy Bass » Thu Jun 19, 2014 4:17 pm The Shape control is a dual-gang pot, so you could always experiment with different cap values rather than replacing the pot and still end up making a big difference with better control of the frequencies you want. For Immediate Release - Good News! - Over the past several months we have restructured to allow us to be able to take in a limited number of amps each month since suspending Mods to the public in Oct 2017. There are many portable amps to choose from these days. It is intended to be of interest to amplifier technicians, amp modifiers, hobbyists and students. The TwinStack mod works on all of them, and is highly recommended. Changed C10 - V4/V5 cathode bypass capacitor to 50uF 50V. The second diagram shows the other way you can switch between two tone stacks, by adding components in parallel with the tone stack on the board. Amazing Selection of Pro Amps & FX ToneStack GO offers a huge range of amps, cabs & FX: from sparkly clean to sizzling hot bias tube amps, iconic stompboxes, pro-grade rack units, and high-end reverbs, ToneStack GO the most complete plugin suite on the iOS. I've done most of them myself to mine. Presented below are the schematic and 2 layout diagrams. What is VHT thinking? Why didn’t they just add the knobs to the tone stack and skip the other tone control?. Bottom line: Anyone interested in gaining experience in circuit building and creating a useful and high-quality pedal in the process will definitely get what they pay for with this kit or any of the other DIY pedal projects that Mod Kits offers. The upside is, whereas the cathode follower tone stack driver is great for blues and rock, the parallel triodes mod is optimal for robust, round clean tone. My two cents - this is the amp Fender should be building. Of course if you love your Blues Junior more power to you. It comes with the XD Gear system in the case. At the least, replace the. I'm simply documenting the inexpensive mods I made mainly so I don't forget. But that´s ok, the reissue amp is a fantastic. After you’ve dialed in a sound with the panel controls, simply save it to the desired memory with a quick button hold. This Mod is really more of an upgrade. See B&H's vast selection of Effects Pedals for Guitars from top brands like Electro-Harmonix, BOSS, MOOER and TC Electronic, all at unbelievable prices. You can do the same to the WF-55, and here's how. Amps: Marshall JVM410: Hotter Bias, Plexi mod, 10H choke, Stiffness Mod, Neg Feedback Mod (Variable) spec, 3rd Stage Bias mod, AFD type mod (increased Crunch gain), 50W conversion, Tone stack Mods to 2203 spec, "Anti-Compression" mod, dBx 31 band graphic in loop, Marshall AVT20 Valvestate practice amp, Marshall 1980 2203, 2 x 1936 Cabs, 1968 Orignal 4 x 12 Cab with Greenbacks. It also upgrades the tone stack and adds extra filtering to the high voltage power supply. Pignose G40V 40w Tube Amp: Various Mods Overview After having to jump through hoops to get decent overdrive sounds from my Peavy Classic 30 and 50 amps, it was very refreshing to just plug into the Pignose G40V and immediately get some righteous sounds. While you are in there, upgrade the screen resisitors to a higher wattage too, and fix em in place with a gob of silicon (thats all described on the page too). Remove the tone stack altogether from the Muff and place a three band EQ circuit in it's place. It is listed on BillM's page also. OffsetGuitars. It doesn't have to come out entirely to get to the back of the board. After all, there wasn't much to lose giving mods a try considering the good purchase price of the amp itself and the very reasonable cost of the mods themselves. I plugged him into the MAZ 18 w the Tone Stack Mod and boy oh boy did that thing get up and go. I have considered (and may still do) BillM’s tone stack mod and upgrade the (Mexican) capacitors. The BillM mods are: twin stack, TO20 Output Transformer, power supply stiffening (100uF, and x3 22uF F&T Power supply capacitors), cooler bias mod, C2/C8 coupling capacitors upgraded to 0. A lot of lessons learned on structuring those gain stages and the tone stacks then made it back into the clean module (but none of the values)! Anyway, more info on "The Cleaner" mod is available here. Sweet Spot. You will need your own tools and solder. Amp Mod Heaven I accept no responsibility or liability for the outcome of using any mods listed in this section. Pignose G40V 40w Tube Amp: Various Mods Overview After having to jump through hoops to get decent overdrive sounds from my Peavy Classic 30 and 50 amps, it was very refreshing to just plug into the Pignose G40V and immediately get some righteous sounds. 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. Amp Kit - MOD® Kits, MOD101 guitar amplifier - 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) Vintage. The second diagram shows the other way you can switch between two tone stacks, by adding components in parallel with the tone stack on the board. The "Tweed Mod" leaves out the key to the Fender tweed sound-the tone stack driven by a cathode follower. The 5150II is a 5150 with an improved clean channel, and a modified distortion channel. The Plexi value is 470K if you do not have the Plexi version you will need to change this. The idea behind this kit is a full recap and some basic changes like the bias point (it's a different fixed resistor) and higher tolerance components. The mod R10 2k, C4 0. This tone stack robs a lot of power from the original Tweed circuit that the original Champion 600 featured. "We have designed countless Mods since 1998. In this article I will show you how to wire a pickup blend potentiometer together with a classic 'volume+tone' stack. You'll still have plenty to deal with, but at least not drilling holes in your chassis. I like my BE100 as it is, with the added extra master for the HBE and a 3 position feedback loop selector. 100 bass cap / 0. Funny how stories grow. increases the tonal complexity and richness of your tone. EARBUDS IN! Tired, but happy to get these mods done today. amp's tube power amp. "-----PROFESSIONAL MOD COMPANY'S "FATTER TONE, MORE GAIN" MOD There's a firm who sell mod kits for various amps. Compared to a classic Marshall tone stack, the Vintage/Raw tone stack moves the center of the "Mid" control down in frequency and has more attenuation. Billm instructions for tone stack mod Piease refer to www. In this build the pot gound buss wire has been elevated above the pots, and is grounded to a lug below. This software will allow you to change component values in not only the Big Muff tone circuit, but a few other tone control circuits as well. EHX Small Clone Pop (Plop) Fix. The knob is allowed to provide less mids than normal from 1-4 and then the normal amount there on up. Rotate the treble or bass control counterclockwise to cut the corresponding frequencies. " This is a simple passive RC network that has stood the test of time even though it is not nearly as intuitive as a graphic or parametric equalizer. The tweaks to the tone stack also focus more of the amps. De plus, toujours pour ce fameux tone stack mod tu préconise de changer : C6 C7 C5 C2 C8. It was only a guess after running it through Duncan’s tone stack program and I suggest you ignore that until you have had time to play with the amp. For issues with shipping, repairs or complaints, use the CONTACT page. ToneStack effect pedals are unique. This software will allow you to change component values in not only the Big Muff tone circuit, but a few other tone control circuits as well. The mid controls more of the overall contour of the entire tone stack. Dear Amp Man, I am unable to find anything on cascading the half-unused tube in an AA371 Bassman. I would recommend all three. The Jumbo Tone Bender and the 3-knob Foxey Lady are also similar to the Big Muff, so check those out for ideas. While a guitar amp's EQ - a. Does anyone have a parts list for these mods? Billm is closed and he has descriptions of the mods but no parts. The downside is that it precludes one of my favorite mods, the cathode follower tone stack driver. It had a bit of a raspy low end. Take a look at this link for the details on BillMs site and this post here that describes the mods. For hi-fi use, it is traditional to set the bass turnround point at 100Hz, and the treble at 10kHz. It is a guitar wiring system without common pickup selector. 2-Day Shipping. Speaker Emulator Effects Pedal - TWA, Flyboys FB-03, Echo. Why would you want to do that? The tone stack, with multiple paths to ground through capacitors and tone control potentiometers, places a rather heavy load on the previous preamp stage. previous post. It also has a different power supply and a few changes in the power section. Amps: Marshall JVM410: Hotter Bias, Plexi mod, 10H choke, Stiffness Mod, Neg Feedback Mod (Variable) spec, 3rd Stage Bias mod, AFD type mod (increased Crunch gain), 50W conversion, Tone stack Mods to 2203 spec, "Anti-Compression" mod, dBx 31 band graphic in loop, Marshall AVT20 Valvestate practice amp, Marshall 1980 2203, 2 x 1936 Cabs, 1968 Orignal 4 x 12 Cab with Greenbacks. Charlie,T he 5F6-A was the ground breaker, since the tweed bassman was the amp that inspired the early Marshalls, not the other way around. 2k cathode resistor (on the first preamp stage and a 100mF cathode bypass cap along with beefing the filter. Sounds great with the BillM mods but I need to fund my next amp purchase so this is for sale. Mod one: (1st toggle) First stage clipping bypass. I use the amp solely for its clean channel – we’re. Boss SD-1 Bleed Fix. SPECIFICATIONS. We disconnected the tone pot and capacitor inside the guitar before performing these tests, to avoid those as tone determining factors. Much more 3d and musical. BTW, the tone stack mods, input jack upgrade, volume pot mod, HV preamp, TO20 OT, filter cap stiffening/replacement, parallel output jack and coupling cap mods have already been completed and the amp returned to the OP. The tone stack features the ability to scoop mids to allow a heavy, deep sound, flatten the mids for an even-keeled sound, or boost the mids for a more modern sound that allows one to punch through in the mix and drive speakers well. When active the tone sounds a little warmer. Re: 'Shape' tone control Mods for Orange TH30? Post by Randy Bass » Thu Jun 19, 2014 4:17 pm The Shape control is a dual-gang pot, so you could always experiment with different cap values rather than replacing the pot and still end up making a big difference with better control of the frequencies you want. If not contact me and we can work on modding it!. 18W/28W Classic 57 tweed era amp that uses 6V6s or 5881s. Amp Mod Kit - MOD® Kits, Bass to Tremolo Conversion Kit - This kit adds tremolo to silverface Fender® Bassman amps such as the Bassman 70 or Bassman 100. Big Muff tone stack gives often (but not always, if you select the right components) a mid scooped sound. Rather than attack the Tone Stack, we started at the First Gain Stage, which is one-half of a 12AX7 (V1a). More Control on the Tone Add a “Contour” control to the Tone Stack. The mods significantly improved this amp, especially the sparkle control. The above picture is a graph for a modified version of the tone control from early Vox amplifiers. Looking at the passive Baxandall tone stack, it has just two controls in it's classic form, bass and treble. Stronger, easier breakup, and outstanding tone, one the most famous mods on the net for years. F&T 100 uf 500v Electrolytic Capacitor (which one, verify value) OR; add a second 47uf cap in parallel with the 47uf in the power supply. You can now safely partially remove the PCB from the chassis. 015 you can bring up the low mids to get a fuller sound. Yet rifined a bit. Take a look at this link for the details on BillMs site and this post here that describes the mods. The XD® Mod. Twin Mod - The mids on the amp have a flabby bottom. 015 mids cap (and also a lot of others Billm's mods). com: - Orange Drop Tone Stack Caps - TwinStack Mod - Power Supply Stiffening - Adjustable Bias Trimpot - Presence Control - Clean Boost - Switchcraft Input Jack - Audio-Taper Master Volume Pot - Audio-Taper Reverb Pot - Stereo Foot Switch (FAT + Clean Boost) - 22w Dave Allen Heyboer Output Transformer - Switchcraft Aux. Thanks for your purchase! I am sure you will be very pleased with the tone of your new SD-1 Stacked MOD pedal. MOD Kits DIY has announced the Tone Attack, an active tone stack effect pedal you build yourself. I finally decided to get some mods done and less than $200 later, it's like having a brand new amp. What you see on the left is a First Act MX-510 Distortion pedal. The tone stacks are sort of a cross between a 59 Bassman and a standard Fender. Mod your Bassman reissue for vintage tone To start I´m sorry to point out that this here will NOT turn your Bassman reissue amp into an original, it´s NOT a 1:1 copy and it is NOT exactly sounding like the old, most sought after 5F6A Bassman version with the 4x10" speaker open cabinet. So, in a way, the Suppa Tone Bender is a mod to the Big Muff Pi. Standard Mod™ $209. Mod ® Kits are designed to give both novice and experienced musicians the opportunity to build their own amps and effects pedals. Fifteen watts is plenty for most situations and, when necessary, I can mic it to the PA while. Your brand includes your name, logo, fonts, colors, slogan, and even the tone you use when discussing your business. Fender Custom Shop 57' Lower Power Twin Mods. 022 (as stock) to see what happens. I sometimes make these amplifiers into the typical 'classic' circuit seen in 'Tweed' Bassman and Marshall amplifiers. See B&H's vast selection of Effects Pedals for Guitars from top brands like Electro-Harmonix, BOSS, MOOER and TC Electronic, all at unbelievable prices. Check back often as new mods are become available this article will be updated. So when something like, you know, when a death happens, things can get turned upside down. Each section's mods sound good to me on their own and can be used independently, though I recommend doing the Q2 biasing, tone stack, and diode series resistance mods (R6, R9, C12, R17, D4) at a minimum. Once they're all sorted, I've got some new mods that I want to try out such as replacing the tone stack with something which will give a little more control. The one I have is the Emerald Green-covered Limited Edition from three or four years ago. * Add a 5uF cap across the second stage 10K resistor. Familiar controls for gain, presence, and the three-band tone stack let you dial in sounds quickly, while essential effects parameters are adjusted with a simple knob twist. If you think your tone is too bright or harsh or you're seeking a mellow and nice clean tone, you probably want to keep the NBF loop. The downside is that it precludes one of my favorite mods, the cathode follower tone stack driver. For those who don't know, the Fender Champion 600/Gretsch G5222 is a 5 watt, all tube combo using a 6″ speaker, wrapped up in a vintage style, late 40's early 50's cabinet. 20W/35W Hot Fudge w/Nuts - bias mod vibrato, volume, tone, depth controls. It's well known that black- and silver-panel Fenders (1963 onward) have a tone control circuit that 'scoops' midrange and reduces gain. The chassis is on the bench and the PCB is partially removed so we are ready to actually start the mods. Note: the mod only affects the mids. You can switch between different stacks (see "3 in 1 tone stack switch"): Misc Mods and Info I have this on one of my amps. 022 (as stock) to see what happens. I had been through a long search for an amp that could give me classic Fender tone at a reasonable volume AND weight. amp's guitar speakers. 45ACP View Details Compare. I would recommend all three. I got to work on one of these recently, and the customer wanted these mods: Some Mods for Marshall Class 5, which I highly recommend as an easy and cost-efficient way to make this amp a whole lot better. It sounds absolutely incredible, and is the perfect low wattage amp for recording, small to medium gigs, and especially bedroom playing. If you do not see your amp listed please contact us!". the Tone Stack - has no 'unity' setting, the Tone controls 'should' be able to live in their center region to allow boost and cut. It is intended to be of interest to amplifier technicians, amp modifiers, hobbyists and students. My legacy came with a Jensen Special Design C12N. The above picture is a graph for a modified version of the tone control from early Vox amplifiers. Check the value of R15. 5" x 9" x 9", the 2202 packs three 12AX7s and a duet of 6V6s to wring 20 watts from full-size transformers. I did the Tone stack mod, Adjustable bias, Power supply stiffening, and Adjustable presence control. Ask vintage amp enthusiasts about the cathode follower at your own peril. Want to contribute? If you are happy to share your modification information with other. There are many suggestions to be found about modding the tone-stack, most seem to concern the mids - both cap and resistor, and also the mid boost. Cheaper than a set of great pickups, these mods are a slam dunk in my opinion. They are some of the best amps Fender puts out. The billm 'basic' mods: Tone Stack: Power Supply Stiffening:. We are adding it to the Coyote as well. One option is to use the tube stage as a buffer before the tone stack. All tone controls and the vibrato (if it has one) will still be working, unlike other more primitive mods. The result is a warm, responsive tone with the natural behavior you find in analog units. 25uF capacitors in the tone stack, and the. Billm Mod Kits For Blues Junior - $40 (Lakeville) Four Billm Audio mod kits for Fender Blues Junior amp. There are many portable amps to choose from these days. Highly recommend them. It's a fact that Mesa Engineering uses two modified forms of the Marshall tone stack for their Dual Rectifier series. The Verbmaster features an excellent sounding reverb with two distinct sounds, "sand" and "surf"; Hi-gain and Normal inputs, each voiced differently; and the usual bass - treble - volume controls. In this article we will cover modifying your Randall SL+ to a JCM800. The current "reissue" looks outwardly the same but uses a modified circuit with a tone stack from the Fender Blackface Princeton amps. This is the 3-knob tone stack used (in assorted variations) in so many classic amps. What follows is a retrospective journey of me and my Vox AC15 amp. The location of the Tone Stack varies from manufacturer to manufacturer and plays a big role in the definition of the sound and tone of the amp. The Tone Stack is a series of three RC (resistance capacitance) audio filters that block three bands of audio frequencies. But that´s ok, the reissue amp is a fantastic. In my own Twin I've used a 47pF bright cap,a 2. Speaker Jack Misc: - Zinsser Amber Shellac (3 coats @ 50%. Thronetone Click on the following links to Learn to Use Effects One of his most popular mods is the Ultra Phoix mod. This mod enables you to take all the mids out of the tone allowing more flexibility and versatility. The Stage II mods are partly similar to the Stage I mods, but go much further, and though they address some of the same circuits the values of the components used are different. This helps create the blusier preamp breakup similar to a 59 Bassman. Tone stack mods: This mod primarily involves reworking the tone stack and changing a few bypass capacitors. Premium workout supplements for men and women. Charlie,T he 5F6-A was the ground breaker, since the tweed bassman was the amp that inspired the early Marshalls, not the other way around. There isn't much treble being used, increase that to, in effect, reduce the bass. This is the famous Torres MOD kit for the Fender Champ or Vibro Champ (silverface or blackface) to get a vintage "Tweed-like" tone. Some of you may already be aware that Bill, one of the editors & columnists for PC Magazine, is also a major guitar & amps mod guru and pretty much the "world's foremost authority" on Fender Blues Junior amp mods. " I spent $270 on the amp, (used, mint), around $100 on parts, plus around 5 hours of my time. Since both channels' tone stacks are identical you might want to consider changing one to offer different tone shaping options. The tube screamer circuit got a common bass boost mod so it doesn’t sound so utterly congested. The whole high pass and low pass tone section is incorporated into the recovery stage. The 5150II is a 5150 with an improved clean channel, and a modified distortion channel. At Tonedog GuitarWorks, we decided to offer some upgrades to this little amp that will really open up the tone, and will really turn some heads. This is a quick video of my 2006 Fender Blues Jr. Or sur le site tonegeek que tu site dans tes sources il parle de Signal caps: C2, C3, C5, C6, C7, C8, C10, C11, C15, C16. This is the 3-knob tone stack used (in assorted variations) in so many classic amps. The above picture is a graph for a modified version of the tone control from early Vox amplifiers. Most tone stacks, including the one in the Special 6, will provide a dip in the mid frequencies known as a mid scoop. And you can save a lot of money because most of billm's mod parts are available over at antique electronic supply if you know where to look for them. After you’ve dialed in a sound with the panel controls, simply save it to the desired memory with a quick button hold. a treble/bass tone stack. Iron Stack with Braided Wire Floor Lamp Height: 62 We have added a White Lacquer finish to the collection for that glamorous Mod touch. In larger amps with tone stacks, the gain is recovered with an extra tube stage, but not here. In addition to the special green tolex, it has a Celestion Vintage 30 speaker in it, which I prefer to the stock speaker. This mod (jumper) is referred to as a "Twin Stack Mod" as it alters the tone stack mid pot wiring to be just like the tone stack wiring in a Twin Reverb, and it has nothing to do with Tweed, or BF or any other kind of "sound" alteration. Fender Mods by Voodoo Amps. Posted on June 11, 2014 by nosguitar. At just two tenths of an inch wider than the industry's slimmest single stack polymer frame pistols, the Mod. The TwinStack mod works on all of them, and is highly recommended. Very effective and extremely musical. MOD 101 Guitar Amp Kit Features. The increase in gain comes with the price of the loss of the tone stack controls, but I have to admit that the frequencies that are there are just about perfect. what i first had in mind was to replace the tone section in the superfuzz by a big muff style tone stack with a pot. Some of you may already be aware that Bill, one of the editors & columnists for PC Magazine, is also a major guitar & amps mod guru and pretty much the "world's foremost authority" on Fender Blues Junior amp mods. Certainly the document that contains this information can by. I've done most of them myself to mine. I assume you have checked out Bill's Site. com PRICE $64 direct. You can watch a demo video above. Certainly the document that contains this information can by. The mod makes it a 12. The Germanium Super Phat Mod – Hand-Built Edition not only has the perfect JFETs for tone, it has the attention to detail only a hand-built product can provide. Many bass amps and preamps use the traditional Fender/Alembic/BBE "tone stack. On all TMB tone stacks one side of the mid pot is connected to ground, and this is the ground point for the entire tone stack. Pre/De Emphasis. Much more transparent! Difficulty: Intermediate. I have up for sale a NIB Springfield Armory XD Mod. into a cathode follower buffer for the tone stack. A popular mod is to bypass the tone controls - to get a gain boost and to make the tone more midrangey like a tweed Fender amp. The Centurion is fitted with a 15. This is the 3-knob tone stack used (in assorted variations) in so many classic amps. Speaker Jack Misc: - Zinsser Amber Shellac (3 coats @ 50%. Boss SD-1 Bleed Fix. I told him I could add another cap, a switch and a couple of resistors so he could switch between the caps. I'll update the schematics and record new sound clips when I get some free time. At the least, replace the. The “non-HRM” refers to the extra tone-stack that HRM amps have after the second OverDrive stages. I wanted to check out some mods and I put it all back to stock because I like it stock better!! Instead of mods, I'm looking at speaker and dirt pedal selections to change directions. On our first disc, we were a little unhappy with the guitar tones we got, so over the past year we've expanded our amp collection and knowledge. 5) From V2B, the signal then leaves and enters the Tone Stack 6) The Tone Stack is where the Treble, Midrange and Bass knobs do their thing. Posted on June 11, 2014 by nosguitar. The one I have is the Emerald Green-covered Limited Edition from three or four years ago. "Rivera also used a 0. Great way to get a more middy tone from your Muff. Tone Tubby 40/40 and tubed w/ a full set of JJ's. Some have more pronounced effects than others. All parts required for the conversion are included in the kit along with detailed picture instructions. This tube buffer provides just a touch more drive, and improves the response of the tone stack. ” The Tone control is a little more nasal than the Blues Driver’s, but the difference, while discernible, is small. Using the tube from the Bass Instrument channel, the circuit is modified into the classic tube tremolo circuit. The mod is recommended for those who play at home or for recording. SPECIFICATIONS. With two sets the sound is strikingly improved. Charlie,T he 5F6-A was the ground breaker, since the tweed bassman was the amp that inspired the early Marshalls, not the other way around. " I spent $270 on the amp, (used, mint), around $100 on parts, plus around 5 hours of my time. Want to contribute? If you are happy to share your modification information with other. Hi, I'm wondering if it is possible to swap out the TMB tone stack for a one tone knob. Boss SD-1 Bleed Fix. While reading about different mods people will of course refer to the function of components instead of how they are marked in a specific layout. " source "The tone stack in the PAB models is a neutral tone stack which is the same as lifting the ground. In this build the pot gound buss wire has been elevated above the pots, and is grounded to a lug below. Alexandria Ocasio-Cortez (D-N. Note (9/2007): I've since also made Bill M's tone stack and reverb mods to it. Yet rifined a bit. All kits come with easy to follow instructions and use point to point wiring. If you just want some good-sounding mods, they're at the top of each section in bold, followed by tech talk and other mod options are. It's a fact that Mesa Engineering uses two modified forms of the Marshall tone stack for their Dual Rectifier series. In the HRD both halves of V2 are used. (Most of what I play is acoustic, for which I use a Crate Gunnerson). 22uF will change how V1-A works : less bass, asymmetric clipping, a little less gain (R8 = 82k) ; you could try it while keeping your tone stack as is (modded). Pre/De Emphasis. The whole high pass and low pass tone section is incorporated into the recovery stage. A real cool easy to do mod. JCM 800 mods for more gain? Ditch the tone stack slope resistor and go with a Soldano value(47k). Tone stack complete mod: One of my most fav mods. The tone in general is more similar to a Twin amp with. We will discuss Tone Stacks later. The Stage II mods are partly similar to the Stage I mods, but go much further, and though they address some of the same circuits the values of the components used are different. The chassis is on the bench and the PCB is partially removed so we are ready to actually start the mods. Springfield Armory has just launched a brand-new XD, the XD Sub-Compact Mod. While a few features seem to come from the XD-M and XD-S designs, many of them are altogether new for the series. Hello and welcome to this expanded take on my usual Mod Garage madness. Fender Champion 600 Tone Stack Bypass/ Fat Switch Mod This pic shows the shows a few of the mods I've made to this Champion 600. Twin Mod - The mids on the amp have a flabby bottom. Or sur le site tonegeek que tu site dans tes sources il parle de Signal caps: C2, C3, C5, C6, C7, C8, C10, C11, C15, C16. 68uF cathode bypass cap on the first gain stage with a 5uF cap. Note (9/2007): I've since also made Bill M's tone stack and reverb mods to it. 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. Below is a link to a downloadable amp tone stack calculator app. 2k 1% resistor increasing the mid control range slightly. It is intended to be of interest to amplifier technicians, amp modifiers, hobbyists and students. Usually uses some Double Recto type amps. , are registered and/or used in the U. Talk about the Fender Jazzmaster, Jaguar, and any other offset waist guitars with us! Sourcing pots for Rothstein PTB Tone Stack and Dual Vol Mods. The result is a warm, responsive tone with the natural behavior you find in analog units. I've done most of them myself to mine. Most postings, books, and amp tone videos dwell on amp brands and mods and swapping tube types and swapping speakers or pickups, but such priorities are backwards. The Tone Stack calculator is designed to help you check out the design and response curves of a variety of tone stacks used in popular guitar amplifiers. The Tone Stack is a series of three RC (resistance capacitance) audio filters that block three bands of audio frequencies. The tone stack is switched in and out of the circuit with the footswitch on the lower left portion of the pedal. Your amp responds or reacts in a certain way to the signal from your guitar pickup, the pickup responds to the way you pick the strings and in turn you react to the sound you hear coming from your amp. (Most of what I play is acoustic, for which I use a Crate Gunnerson). Everything you want to know about a Blues Jr. While you are in there, upgrade the screen resisitors to a higher wattage too, and fix em in place with a gob of silicon (thats all described on the page too). Replace R7 with a 5k6 resistor and a 100k potentiometer as shown in the wiring diagram for this mod. 1uF bass cap, 0. With two sets the sound is strikingly improved. Mod ® Kits are designed to give both novice and experienced musicians the opportunity to build their own amps and effects pedals. Lowering this value increases gain in the phase inverter. Fender Mods by Voodoo Amps. I modified this one's tone stack for use with a bass and experimented with 6 different types of 386 chips until found the one that offered the best tone and distortion. I'll update the schematics and record new sound clips when I get some free time. Alexandria Ocasio-Cortez (D-N. Tone stack was modified to make the mids less prominent. The other mod that made a difference involved replacing some of the capacitors in the tone stack; this gives the amp more bottom end. The above picture is a graph for a modified version of the tone control from early Vox amplifiers. Enter your vehicle's info to make sure this product fits. In love the tone bypass mod so much General. This mod is a must. Some of you may already be aware that Bill, one of the editors & columnists for PC Magazine, is also a major guitar & amps mod guru and pretty much the "world's foremost authority" on Fender Blues Junior amp mods. Featuring the GripZone®, the XD® Mod. I like it very much on pedals (better than bmp one actually), but never tried it on. A Tonestack switch allows for either Brit or USA voicings or the "Pure" mode which bypasses the tone stack entirely, delivering a mid and overall gain boost allowing for the most direct signal path possible between your fingers and the speaker. Output stage is classic push pull with two EL84 tubes. Ive been looking at the the 65 deluxe reverb RI, and it does look very tasty indeed- the sort of tone I would expect from a Fender! I suppose modding the Blues Jr would bring up the price I could sell it for considering the hype surrounding the Billm mods. If you're in the market for a tiny tone machine, consider our list of the best mini guitar amps. Great tone to the masses! Monte Allums 12-3-2016 — I have designed a Guitar Pick that I call Pickfit.