Tuesday, 7 May 2013

EHX Double Muff

Classic dual overdrive. The original 1969 plug-in Muff Fuzz had just a touch of overdrive and sounded like a vintage amp with a slightly torn speaker. We paired two of these together in one box to create the Double Muff. Use just one Muff for a hint of milky distortion, or cascade the second Muff for over-the-top overdrive that turns the milk into cream. Two distortions in one!



Posted by at 20:26
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21 comments:

  1. Dave7 May 2013 at 22:54

    Interesting, I'd always presumed the double muff was literally two muff fuzzes stuck together but this clearly has more components than that.
    Thanks
    Dave

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    Replies
    1. Ana Konda8 May 2013 at 09:03

      I assumed the same and actually put two muff fuzzes in one box cascaded with separate footswitches, it's fairly crazy little focker.

      Delete
  2. Madferret9 May 2013 at 00:37

    The Muff Fuzz was the first pedal I ever built, I might just build this to see how far my builds have come on since then.

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  3. Iago9 May 2013 at 17:15

    I have one and mine uses 4x 2N5088's, just in case anyone wants to try them out...

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  4. Iago9 May 2013 at 17:15

    I have one and mine uses 4x 2N5088's, just in case anyone wants to try them out...

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  5. JBlack11 May 2013 at 00:10

    Nice, I always wanted to try one of these. I'll probably make this one (although not very soon).

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  6. dexxyy11 May 2013 at 01:07

    tag it, just as the demo, perfect. tomorrow i had 5 circuits to box, now its 6 and this is getting boxed first. As usual, thanks for the layout Miro :-)

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  7. 80chuck13 August 2013 at 01:00

    Hi:) Made one few weeks ago with footswitchable muff no2, works perfectly! I'm starting another one and I want to put a BMP tone control only when muff no2 is engaged. I figured it would go where SW3 wire is. Is that right?
    Thanks alot!!

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  8. Chimbolo8924 December 2013 at 04:14

    I made this yesterday, it sounds great.

    It's an Xmas gift and I will make one for myself.

    http://youtu.be/b6xmmNNy-fc

    http://i.imgur.com/HqZ4AaP.jpg

    Thank You guys for these awesome layouts.

    Merry XMAS

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  9. Unknown10 April 2015 at 10:43

    Dear everyone, I plan to build this and make it scream soon. I would like to do it with footswitch for muff2 with led indicator and if possible add a tone control. Does anyone have a picture to share for those mod, any explanation on how to do it? Well adding footcontrol with led is not complicated, I have just difficulties identifying how to know where put the LED so it light when muff2 is actually engaged.
    Real difficultie is regarding Tone control, does anyone ever tried? where would go the modification? Is there any tutorial existing?
    I would like to thanks you for this website, trully wonderfull!

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    Replies
    1. Unknown10 April 2015 at 10:51

      Real question is to know if when you add the BMP Tone control describe for PI Muff, you can still get unity, and where to add this BMP Tone control?!

      Delete
  10. Unknown11 November 2015 at 08:01

    Built it and it does not work

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  11. Unknown11 November 2015 at 08:03

    was super careful with the soldering, but no go. muff 1 increases volume but with no fuzz. fuzz 2 does nothing ......help

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  12. Unknown11 November 2015 at 08:21

    Used 2n3904 transistor as a substitute for the bc550b, and just realized that the emitter and collector legs are opposite on these....will rearrange and re post....damn ....dumb ass !!!!!

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  13. Unknown12 November 2015 at 08:23

    Reversed all transistors......WOW Awesome. Works fantastic. Smoothy Fuzz. ....Mix in Phaser, little reverb, and BOOM sweet

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  14. SpikeVelvet25 September 2019 at 16:13

    The link here is broken. Does anybody have the layout?

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    Replies
    1. SpikeVelvet25 September 2019 at 16:49

      Nevermind. My VPN must have blocked it. I don't see connections for the Muff1 Muff2 switch

      Delete
  15. michael14 September 2020 at 22:15

    Where is the output connect to the board? The wire that connects the signal to the tip of the output, and into the amp

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  16. Nicolini de Semola30 April 2021 at 18:36

    hi guys, do think BC550C could work instead of BC550B ? thanks.

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    Replies
    1. SW5 April 2022 at 15:25

      Yes. It might be a bit gainier though. Use sockets in case it's too much. I used 2n5088's in mine. I'm making another version with socketed transistors so I can experiment. I also added 100pf treble taming caps collector to base across Q2 and Q4. I'm also planning to add a treble cut on the output. It sounds good without these mods, cleans up nicely etc, but I'm hoping they'll make it even better!

      Delete

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