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MXR M104 Distortion+

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User Reviews

Super distortion

By karis makissa, 19/06/2014
It is an analog distortion pedal made for rock, blues rock. In my next gain can be used overdrive, can be metal but need good humbucker and I think there best to pedal it.
The design is simple and looks really super strong, it is a steel block with two protected for me by two rubber knob cover knob.


Most to this pedal is its simplicity, both output knob (volume) and gain plug and play mode, you plug it goes to the volume group and the amount of distortion is chosen the rest is done by the equ the guitar amp and pedal.


Suddenly it's a super efficient distortion which comes in very bad, the good thing is that it is a distortion of course, but very clean the compact I say, it does not drool nothing beyond. The negative point is that there was an increase in acute, I play with a stratocaster telecaster and it sounds great rock nickel but must adjust the amp to absorb more acute that this would probably be less with humbucker.


I use it for a month or two, I tried two three foot, I bought it without trying it and that is exactly what I wanted, a very simple distortion of quality, I wanted a pedal ask me a minimum setting for the scene. This is a good value for money and I would do this choice.

70's distortion

By hrc, 03/02/2014
This is a peculiar distortion pedal but it is very simple electronically. A simple PDO and symmetrical clipping diode Germanium. Problem for some, this pedal is not true-bypass or buffered-bypass. The output remains permanently connected to the signal path, and it eats a chouilla acute depending on config ...


Setting distortion and volume, no tone but contrary to what one might think, this is not really a problem. Note the LED and power supply input (absent on vintage).


I use it as a distortion in AC15 clean with a Gretsch and a Stratocaster, distortion and volume up to 12, I have a good low-pitched well balanced crunch that can do a good Rock. With distortion beyond the pedal gradually removes low (in the manner of a TS), which turns the pedal into a sort of treble booster, but even on a VOX, I'm not a fan at all. Then suddenly, I modded my pedal to stick to my tastes.

I changed the condo which is on the low (the 47nF replaced by a 100nF). After, with Germanium diodes origins, I was not happy with the result. Very fuzzy, little grain, pretty cold and miserable reserve volume. So I changed the diodes against the 1N4148 (Silicium so) with an asymmetrical clipping (2 Serial + 1 single), buzz it with a grain of hell and is gaining volume (one-third) Now I can the use it as a clean boost (not base).


For the bargain price, it is a good plan. And € 2 surcharge components, it works miracles. I did my first scenes with and I always use it. Besides, I have a OD808 and Fuzzmaster. Note that it goes very well with such modulations Wah, Phaser, Chorus!

a very good distortion!

By -Livingroom-, 29/11/2013
Analog distortion, could not be more simple, drive volume, switch to activate, a 9v power supply, a jack in, jack out, and roll youth! Note that everything is solid, as often with MXR.


Given the configuration can hardly be simpler. The only downside is the access to the battery, in effect for access must remove 4 screws and then back, so for live concerts we forget ... (And usually also on all the effects if it's not vintage fuzz).


So here comes the good point of this pedal, it distorts well. I mean, if your sound is good at the base, it will sublimate (and if sucks ... She'll leave it as is!).

With the same gain in depth, it will be in the punk / rock California, but not much further gain, and much more!

It is very versatile, with all possible settings it sounds even while donf, which is rare. Frankly it's terrible.


I kept 6 months I think, I did find better, but the value for money is unbeatable, with the expertise of MXR bonus, so ... Go for it if you do the rock without the fuss!

Linn Sondek's review

By Linn Sondek, 29/04/2013
Analog distortion. Classic case in MXR: solid!


Ultra simple: two knobs, output level and gain level.
Personally the lack of tone control does bother me at all.


See below.
Used primarily with Gibson Les Paul.


I love this distortion. I owned at the end of '70 and I bought without hesitation when I started playing. I have since acquired Reissue but still retains that model.
Solo tone to zero on the guitar, the M104 gives exactly what I want: a mellow, an important gain to sustain without fully (even infinite Dyna Comp with the same brand) and a smooth attack very close to an effect violoning.
The Vintage Reissue model does not exist, I will note higher.
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MXR M104 Distortion+ tech. sheet

  • Manufacturer:MXR
  • Model:M104 Distortion+
  • Category:Distortions
  • Added in our database on: 05/15/2006

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Other names: m104distortionplus, m104 distortion plus, m104, m 104, distortionplus, distortion plus, M104, M 104