Monte Allums Guotar Pedal Mods
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DISCLAIMER - Absolutely no refunds. All sales are final. We cannot be held responsible if you ruin your pedal. I got ripped off by a buyer of my TR-2 mod. Said he wasn't happy with the mod so I offered to buy the TR-2 from him. I gave him $110 in good faith. When I received the pedal it was non-functioning. He had drilled the hole for the pot in the wrong place piercing the ribbon going to the depth pot and completely pulled 4 traces from the PCB. And he wanted to know why the mod sounded bad. Because of this I will no longer issue refunds of any type on mods. If you do not have the skills required to perform the mod then please let us do the mod for you. Monte Allums



Boss CS-2 & CS-3 Cap Upgrade Mods

Electrolytic caps in tube amps, over a period of time, start to leak, loose their tolerance and go bad. It’s just the nature of Electrolytic caps. Sometimes the leaking is actually visible. But Electrolytic caps can look okay and still be faulty. By replacing Electrolytic caps in older pedals you can actually improve the overall effect of that pedal. Honestly I was skeptical until I received an email from a client that was having issues after he modded his Boss BF-2 with one of my kits.  He said the flange effect was barely noticeable.  A couple of weeks later I received another email from the same client.  The client said he had solved the issue by replacing all the Electrolytic caps in his BF-2.  This peaked my interest so I started experimenting.

I was astonished how some of my older pedals benefited from the cap upgrade!  Noise seemed to be reduced and clarity and presence of the effect were enhanced.  I am now offering these Cap Upgrade Kits for many of the pedals I offer kits for.  In some cases some of these caps are already upgraded in the kits that I offer.  But I am offering kits that replace all the Electrolytic caps for those that have not purchased my kits.  They will benefit from upgrading the Electrolytic caps that I do not replace in my kits.  You’ll find that some of these same caps are already replaced in the kits I offer.  It’s a win win all around for those that want the maximum benefit when upgrading their pedals.  But I didn’t stop there, when possible I have upgraded these Electrolytics with Metal Film and Tantalum.  Not only do these caps have tighter tolerances but they will also last the life of the pedal.


With this Kit you will receive Solder and Desoldering Braid along with detailed easy-to-follow High Rez PDF Mod Instructions sent to you as an e-mail attachment.

Pedal Model

$9.99

Boss CS-2 Hi-Fi Plus Mod

This is the only compressor many players will use for compression. The BA662A VCA Chip that the CS-2 uses is held in high regard. The compression is much smoother than the CS-3 and has a much smoother attack.

My only complaint is there's no tone control and it does add a bit of noise. So I've added a treble/presence mod and also added a switch that adds a bit of bass and girth to the circuit. Plus I upgrade a few critical areas in the signal path that will lessen noise. The mod makes an already good pedal even better.
























With this Kit you will receive a 3mm Super Bright Blue White LED, Solder and Desoldering Braid along with detailed easy-to-follow High Rez PDF Mod Instructions sent to you as an e-mail attachment.

$19.99

Boss CS-3 Opto Mod
This Mod Will Not Work on a CS-2


This has become one of my all-time favorite pedals. It's different than a Tube Screamer in that it is much more transparent and in my opinion more truly represents a driven tube amp. Straight from the factory the Boss Blues Driver tends to have a very harsh and buzz saw type gain. My BD-2 Mod transforms this pedal into a truly great sounding pedal pushing it into Boutique territory. When used at moderate to loud levels with an amp it is reminiscent of a Vintage Plexi Marshall with smooth round yet biting overdrive.

This mod simply must be experienced and felt to be believed, it is that good! The Mods that I sell for this pedal push the Blues Driver into Hi-Fi territory!




Hear For Yourself! (.mp3s)
Juergen_Optp.mp3 This mp3 was submitted by Juergen Ehle of Germany. This is how Jeurgen uses the Opto modded CS-3 on stage with his acoustic guitar. Everything was recorded straight from his gigboard via an Alesis AI3 A/D to his computer. No other input stages were involved. This is exactly what he feeds into the mixing desk in a live surrounding. Click here for a complete description of what you will here in the mp3. You can e-mail Jeurgen by clicking here.

Opto.mp3 Played entirely through a Boss CS-3 modded with our CS-3 Opto Mod Kit. I also used our new DS-1 Rectifier Mod on this mp3. Played on A Strat through a stock Fender Hot Rod Deluxe amp mic'd with a SM57. The Uni-Vibe type Chorus effect is a Yamaha MagicStomp II. This is one FAT and Transparent Compressor after the mod. Absolutely smokes any compressor at any price.

Jean_Francois_Cyr.mp3 Jean-Francois Cyr mp3s - Jean-Francois Cyr mp3s - This mp3s was graciously supplied by Jean-Francois Cyr. Jean-Francois Cyr is playing a Gretsch Tennessean. You can see Jean-Francois Cyr on Youtube at http://www.youtube.com/watch?v=FFOx9_hHyjQ. Thank you Jean-Francois for letting me use this clip.


With this Kit you will receive a 3mm Super Bright White White LED, Solder and Desoldering Braid along with detailed easy-to-follow High Rez PDF Mod Instructions sent to you as an e-mail attachment.

$21.99







Boss CS-3 Ultra Mod Plus
This Mod Will Not Work on a CS-2


My Boss CS-3 Opto Mod has changed very little since its introduction. The Opto Plus is my best selling Mod I currently sell. It is the first effect in my studio and live rigs and it is always on. So, you ask, why change it? Well, many have asked me to create specific mods for the CS-3 and I already had some ideas of how to improve an already great mod. The result is my New Boss CS-3 Ultra Plus Mod. Here is a list of the specific improvements this Mod offers.

Attack – I’ve been asked if I could smooth out the attack of the effect. With the Ultra Plus Mod I have accomplished this by smoothing out the attack and giving it a more natural feel.

Warmth – With my original Opto Mod it was my intention to preserve all the original signals frequency content while lessening noise. I have maintained all those improvements but I have added a bit of warmth and thickness to the affect. With the Ultra Plus, Warmth and Thickness increase as you dial up the Sustain Pot. This is a very cool feature of the Ultra Plus Mod.

Sparkle – Most inexpensive compressors shave a bit of the high end from the signal leaving the effect sounding a bit dull and lifeless. With the Ultra Plus Mod I wanted to add a bit of high end Sparkle to the effect. The harshness of the stock CS-3 has been eliminated and a very smooth high end Sparkle has been added to the affect.

Harmonic Content – I am a Pinched Harmonic Addict! Take a listen to Roy Buchanan on the 1962 recording of "Potato Peeler". Another guitarist that frequently uses pinched harmonics is Eric Johnson. The effect happens when subtle harmonics are amplified. Pinched Harmonics require that fundamental frequency content be preserved. The timbre of Pinched Harmonics is greatly affected by a guitarist’s ability to maintain fundamental frequency content in their signal path. The Ultra Plus enhances the fundamental frequency content from your instrument and thus making Pinched Harmonics more musically pleasing.

PDF Instructions – I have created the CS-3 Ultra Plus Mod instructions in the popular Adobe PDF format that can be easily printed from your computer. The instructions are crystal clear and full of high-resolution pictures that clearly illustrate how to perform the mod. The PDF instructions are e-mailed to you once your order has shipped. All orders ship within 24 hours of order placement and we Ship to anywhere in the World!





With this Kit you will receive a 3mm Super Bright Blue LED, Solder and Desoldering Braid along with detailed easy-to-follow High Rez PDF Mod Instructions sent to you as an e-mail attachment.

$27.99





















Ultra Plus mp3

CS3_Ultra.mp3 This mp3 was created using my new Ultra Mod. The guitar used was a custom built Strat with Fender SCN Samarium Cobalt Noiseless pickups into a 1975 Fender Super Reverb. Reverb and delay was added in Cubase when mixed down.






An excellent guitarist very well known in Brazil named "GUSTAVO BARROS" uses a CS-3 with my CS-3 Ultra Plus Mod and made this video demonstrating the pedal and how he uses in his tribute to Allan Holdsworth. Thank you Gustavo for sharing this video!

CS-3 Opto Plus Mod
This Mod Will Not Work on a CS-2

This is exactly the same kit as my very popular CS3 Opto Mod but I have incorporated my new Dual Stack Chip Adapter Mod into the Opto kit. By replacing one of the CS3's inline chips with the Dual Stack Chip Adapter containing a RC4558P and Burr Brown OPA2134PA we increase the clarity of the CS3, decrease noise and add volume and headroom. This is one sweet sounding compressor with this mod. A truly great sounding mod just got better.

A really great compressor lets the true character of the signal come through preserving all the frequencies of the original signal. This is exactly what my CS-3 Opto Plus Mod does, and it does it very well. I modeled this kit after the character of the old vintage Opto Compressors. These compressors are highly sought after today for their ability to compress a signal in a very smooth yet transparent way. With this mod I have achieved this and more. In fact, I use a CS-3 modded with this kit as a front end compressor for my personal studio. I use it for vocals, acoustic guitar and keyboards. The results have been nothing short of amazing. If you're looking for a great compressor that won't break the bank and will inspire you, this is the kit for you. My best selling Mod just got better!








With this Kit you will receive a 3mm Super Bright Clear White LED, Solder and Desoldering Braid along with detailed easy-to-follow High Rez PDF Mod Instructions sent to you as an e-mail attachment.

$27.99

Opto Plus mp3s

David_Prater.mp3 Recorded and sung by World Renown Producer David Prater used a Shure 57 into his CS-3 modded with my new Opto Plus Mod recorded into his Roland 2480. Listen to how clear and sparkly the voice sounds and how well it sits in the mix. Just unbelievably good! Thank You David!


Sean_Borton_1.mp3
Sean_Borton_2.mp3
Sean_Borton_3.mp3
Sean_Borton_4.mp3
Sean_Borton_5.mp3
These mp3s were graciously supplied by Sean Borton. The clips are from Sean's latest album "What a Party". Sean is playing a Strat w/EMG SA (Vintage) pups through a Vox AC30 set to a clean setting. You can visit Sean's band here http://www.fostermartinband.com. Thank you Sean for letting me use these clips. Man, what great tone Sean, Awesome!


Hey_Joe_Joel_Erik.mp3
This mp3 was submitted by Erik Henry of Germantown, MD. Erik used a Opto Plus modded CS-3 and a Rectifier Tri-Gain Plus modded DS-1. Recording path was Texas Special Strat into CS-3 Opto plus into DS-1 Rectifier with Tri-Gain into a Fender Blues Junior. Great job Erik, and Great Tone!

Juergen_Ehle.mp3

This mp3 was submitted by Juergen Ehle of Berlin, Germany. Juergen used a Opto Plus modded CS-3 into one of my OD-308s. Recording path was Guitar (Gibson SG) into CS-3 Opto plus into OD-308 ("fine") into a Music Man tube amp. The amp was set CLEAN as clean can be and I did barely increase the overall volume of the amp by using the pedals. Great job Juergen, and Great Tone!






Boss CS-3 Add Bass Switch Mod

I created this mod for those that want to add bass to their CS-3s. This switch will give you 3 different and very usable modes. One gives you basically the stock bass while the other 2 will give you more bass. As an added bonus the tone pot will give you a more usable and sweeter sweep.

Great for Bass or Guitar!




























With this Kit you will receive a 3mm Super Bright Clear White LED, Solder and Desoldering Braid along with detailed easy-to-follow High Rez PDF Mod Instructions sent to you as an e-mail attachment.


$12.99





Boss CS-3 Noise Decimator Plus Mod
This Mod Will Not Work on a CS-2


I hope you enjoy the CS-3 Noise Decimator Mod. This mod absolutely Decimates the noise of the stock CS-3. The two new opamps kill noise and add much needed clarity to the circuit. The other request I constantly get is people want more bass and warmth. The Tone Knob mod has accomplished that and more. The tone sweep is now much more responsive and adds a certain sweetness to the CS-3.


Together all the mods work to give your CS-3 near studio quality compression at a very reasonable price point. You’ll want to leave your
CS-3 on all the time. I never turn mine off. Enjoy!

Great for Guitar & Bass!


With this Kit you will receive a 3mm Super Bright Clear Blue LED, Solder and Desoldering Braid along with detailed easy-to-follow High Rez PDF Mod Instructions sent to you as an e-mail attachment.




$28.99




CS-3 Noise Decimator Plus Mod Upgrade

I have been getting a ton of requests from those that have my Opto Plus and Ultra mods wanting to upgrade to the Noise Decimator Mod. So I have taken some of the critical parts and are offering them here to those that would like to further knock down the noise in their CS-3.

I also upgrade a capacitor that will add bass and warmth to the circuit. All in all this is a wonderful upgrade for any CS-3, whether it's an Opto Plus or Ultra Modded CS-3 or even a stock CS-3. Either way you get a great improvement at a very reasonable price..



Great for Guitar & Bass!


With this Kit you will receive Solder and Desoldering Braid along with detailed easy-to-follow High Rez PDF Mod Instructions sent to you as an e-mail attachment.



$14.99


Which Boss CS-3 Mod is for You

If transparency is what you are looking for in a compressor the Opto Plus is the mod I would recommend. The Opto Plus will retain your guitars original tone while also reducing noise and removing the harshness of the original CS-3. My New Ultra Plus mod for the CS-3 will also retain the tone of your original signal but I have fattened the effect a bit, added warmth, and I've added additional clarity to the upper frequencies thus enhancing the harmonic content of the signal.

If you are a Tele player then the Ultra is the ticket. The Ultra is very single coil friendly. Humbuckers will sound thicker with added clarity also. I have also smoothed out the attack to make it a more natural sounding compression.

The New Noise Decimator Mod — This mod absolutely Decimates the noise of the stock CS-3. The two new opamps kill noise and add much needed clarity to the circuit. The other request I constantly get is people want more bass and warmth. The Tone Knob mod has accomplished that and more. The tone sweep is now much more responsive and adds a certain sweetness to the CS-3. This is the quietest mod for the CS-3 I offer. The added bass and warmth is better suited for bass players and guitarists with a brighter vibe amp looking for added warmth.

Bottom line is, it depends on the type of tone you are searching for. All 3 Mods will make the stock CS-3 sound great. If you want noise reduction and transparency all 3 mods will give you that. The Opto is more transparent and the Ultra is fatter and the Noise Decimator will knock down noise while adding enhanced upper frequencies. You really can't go wrong with either Mod. It just depends on the type of compression you are looking for.


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