SKU: 45882832464
grey pedals

grey pedals GREY MATTER

Sale price$25.07 Regular price$27.86
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Description

grey pedals GREY MATTERif out of stock, check out v2! https: loopholepedals. com products grey matter v2 The Pedal I started designing GREY MATTER from a skeleton of the vintage grey version, 77 DOD250 preamp (hence the name.) I made many improvements for stability and tone and added edge control for hard clipping saturation. The overall project took two years of meticulous testing and development before I was satisfied with the jaw dropping result. 2 Drives In 1 Enclosure

if out of stock, check out v2!

https://loopholepedals.com/products/grey-matter-v2


The Pedal

I started designing GREY MATTER from a skeleton of the vintage grey version, ‘77 DOD250 preamp (hence the name.) I made many improvements for stability and tone and added edge control for hard clipping saturation. The overall project took two years of meticulous testing and development before I was satisfied with the jaw-dropping result.

2 Drives In 1 Enclosure

Initially, I was going to have only one 250 based drive in the housing, but I noticed the unit sounds amazing stacked into another one of the same...so there are two individual circuits in there. Run ‘em individual or stacked! The footswitches are close enough together so you could set one as a textured boost and the other as a light overdrive or med gain distortion and switch between them by stomping ONCE. Not to worry, they're far enough apart to easily stomp the switches individually as well.

Sense and Edge Control

There are two sense toggles with 3 positions each for a total of 6 senses. The switches set the hard clipping diodes placed after the gain section. I committed to two unique sets of diodes on each side. The toggle up position honors the original silicon diodes of the grey 250 while the toggle down position utilizes one of two of my favorite clipping personalities (the blue side equips Bat41 Schottky diodes and the green side has 1n270 germanium diodes); both positions use symmetrical clipping for a balanced distortion. The middle position bypasses the hard clipping stage & edge control knob for simple folk who wanna just drive the LM741 op-amp naturally. The edge control acts to control diode saturation. Edge at 9oclock will produce first to second stage gain tones, while heavier tones result with the edge at 3oclock.  

Components

The GREY MATTER is 100% analog using respected components; Neutrik audio and Kobicon power jacks, mini 3PDT for a shorter & more controlled soft click, Audio Grade caps, etc. GREY MATTER is handmade in Texas.

 

Shipping Notes
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Exchange/Return Notes
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SKU: 45882832464

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Amazon Customer
Phoenix, US
★★★★★ 5
Awesome product 👌
Style: 50 mil 50 SqFt, Style: 50 mil 50 SqFt
I love this stuff. I use it alot. Sticks great Easy to use Molds super easy Really helps with sound. Great product. I wish I could get sponsored for this product on my projects..
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Reviewed in the United States on April 30, 2026
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john l fields
Charlottesville, US
★★★★★ 5
Good product at a good price
Style: 80 mil 36 sqft
This product works great and easy to install. I do two or more vehicles a month. I switch to this brand a year ago and would recommend to everyone of my customers
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Reviewed in the United States on April 16, 2026
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napoli
Boise, US
★★★★★ 4
Good deal for the price
Style: 80 mil 18 SqFt
The product is good and contrary to some comments I read it was not a mess to install and went on very nicely. That said I placed on a 71 Baracudda and starting from a 71db I was able to drop that down to about 66 with two layers Kilmatt 80mil
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Reviewed in the United States on April 18, 2026
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#1 Ford
Waukegan, US
★★★★★ 5
Kilmat Car Sound Deadening Mats
Style: 50 mil 25 SqFt
Easy to install in a vehicle! Helps keep the heat out as well as keeping it quieter inside my car. Self sticking to the inside of the roof without strong smelling adhesives. The quality of these pieces work very well in my vehicle!
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Reviewed in the United States on May 19, 2026
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Jonathan Robledo
Los Angeles, US
★★★★★ 5
Excellent Sound Deadening Material!
Style: 10 SqFt, Style: 10 SqFt
I installed Kilmat Sound Deadening in my truck, and I’m extremely impressed with the results. The material is thick, pliable, and easy to cut to fit doors, floor panels. It sticks very well to metal surfaces and doesn’t peel, even after heating it slightly to make it more flexible. After installation, I immediately noticed a reduction in road noise and vibrations. Worth the money!!
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Reviewed in the United States on April 4, 2026

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