EHX Mod Pages
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Posted: 03 December 2008 09:41 AM

We all love our pedals, but sometimes we want to make them unique.  That said, I’m starting a list of pages that have mods for our EHX pedals.

Without further ado:

Big Muff Pi:
  Creamy Dreamy Mods - http://www.ehx.com/forums/viewthread/117/#2452

  Multiple Mods- http://www.student.ru.nl/r.kerkhof/Taas/Mods/Big Muff.htm

  Tone Bypass - http://docs.google.com/EmbedSlideshow?docid=dhrp52kc_14rg8b3gm&size=l

  True Bypass - http://www.singlecoil.com/docs/reissue_muff.pdf

Various Big Muff Mods and Schematics can be found here: LINKY

 
Deluxe Memory Man:
  Multiple Mods -http://www.diystompboxes.com/pedals/mmmod.html

Frequency Analyzer:
  Adding a ‘Carrier Signal’ - http://experimentalistsanonymous.com/board/viewtopic.php?t=376

POG
Low pass filter expression pedal mod: http://www.ehx.com/forums/viewthread/319/P15/

Small Clone:
  Tremolo/Chorus/Vibrato - Click here for more information from Kevin 
    http://experimentalistsanonymous.com/board/viewtopic.php?t=81&postdays=0&postorder=asc&start=0

Small Stone:
  Blend - http://experimentalistsanonymous.com/board/viewtopic.php?t=1095
  Multiple Mods - http://www.moosapotamus.net/THINGS/frankenstone.htm
  Univibe - http://www.lynx.bc.ca/~jc/pedalsSmallStone.html
  Vibrato - http://www.kyletompkins.com/wp/?p=355
  Volume loss -http://www.kyletompkins.com/wp/?p=191
 

True Bypass: This is applicable to nearly all pedals.

Anti-Pop Switching for any pedal! http://i1016.photobucket.com/albums/af286/fenderamerica/Pedal Schematics/ANTIPOPJACK.png

General True Bypass Wiring (superior to others) -
http://i1016.photobucket.com/albums/af286/fenderamerica/Pedal Schematics/MYTBSWITCH.png

Third Party Modifications:
Ronsound offers Big Muff “Hair Pie” modifications as well as Vintage EH pedal repair:
http://www.ronsound.com/index.php?main_page=product_info&cPath=111_94&products_id=493
Howard Davis offers a multitude of EH modifications and pedal repair:
http://howard.davis2.home.att.net/
Shotgunn is offering some microsynth mods:
http://www.ehx.com/forums/viewthread/264/
Analogman does modifications for the Small Stone, Big Muff, DMM, and other EHX pedals:
http://www.analogman.com

More to come later.  If you have any links, let me know and I’ll include them in the list.

Boytbpc

Edited: 08 March 2010 08:21 PM by Liberty Belle
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Posted: 03 December 2008 09:54 AM | Link to this reply (#1)
boytbpc - 03 December 2008 03:41 PM

Big Muff Pi:

http://www.student.ru.nl/r.kerkhof/Taas/Mods/Big Muff.htm

 

Nice set of links that will come in handy, I’m sure.  The Big Muff link doesn’t work because of the space so just copy and paste it.

Ron Neely II
The EH Man, All-Knowing Guru of Electro-Harmonix
Electro-Harmonix info: http://electroharmonix.vintageusaguitars.com

EHX Customer service: http://newsensor.com/CutomerServices.aspx
Questions about power supplies w/ EHX products?: http://www.ehx.com/forums/viewthread/2957/
EHX power supply info and requirements: https://spreadsheets.google.com/ccc?key=0Ak9R7oW8W8MidHhCOHdKSkFTdGowdklDd2sza2VXMFE&hl=en&authkey=CJXI1aEF

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Posted: 03 December 2008 09:57 AM | Link to this reply (#2)
The EH Man - 03 December 2008 03:54 PM
boytbpc - 03 December 2008 03:41 PM

Big Muff Pi:

http://www.student.ru.nl/r.kerkhof/Taas/Mods/Big Muff.htm

 

Nice set of links that will come in handy, I’m sure.  The Big Muff link doesn’t work because of the space so just copy and paste it.


Yeah, sorry about the Big Muff link, anybody know how to fix it?  I’ve tried copying and pasting or typing it in.

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Posted: 03 December 2008 10:20 AM | Link to this reply (#3)

Nice links, thanks. I’ll especially be taking a closer look at the Small Stone ones. smile

By the way, for posting a link with a space in it, it works if you wrap URL-tags around the link, like so:
http://www.student.ru.nl/r.kerkhof/Taas/Mods/Big Muff.htm

Press the quote button next to my post if you want to see what it looks like.

Alternatively you can do the same by pressing the <a> button in the row of buttons over the textfield where you write posts.

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Posted: 03 December 2008 10:28 AM | Link to this reply (#4)
Milan - 03 December 2008 04:20 PM

Nice links, thanks. I’ll especially be taking a closer look at the Small Stone ones. smile

By the way, for posting a link with a space in it, it works if you wrap URL-tags around the link, like so:
http://www.student.ru.nl/r.kerkhof/Taas/Mods/Big Muff.htm

Press the quote button next to my post if you want to see what it looks like.

Alternatively you can do the same by pressing the <a> button in the row of buttons over the textfield where you write posts.

Thanks,

Linked fixed!

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Posted: 03 December 2008 04:44 PM | Link to this reply (#5)

http://www.diystompboxes.com/pedals/mmmod.html

Info about the value and pricing of vintage gear? Click here.
http://www.ehx.com/forums/viewthread/1929/

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Posted: 04 December 2008 06:53 AM | Link to this reply (#6)

Small Clone ‘Tremolo Chorus’ and vibrato mods: http://experimentalistsanonymous.com/board/viewtopic.php?t=81&postdays=0&postorder=asc&start=0

i did this a long time ago on my Small Clone and it’s really cool.

i used a toggle switch to engage the tremolo mode and added a 5k pot for a (tremolo) depth control.

i also did the vibrato mod (which is discussed in the above link); it is definately the 22k resistor which needs to be disconnected to get the vibrato (not the 33k resistor which the above article initially states).

* * * * *

Small Stone ‘Vibrato’ mod: http://www.kyletompkins.com/wp/?p=355

Small Stone Blend control: http://experimentalistsanonymous.com/board/viewtopic.php?t=1095
i’ve been meaning to try this for a while but haven’t really felt the need yet.

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Posted: 04 December 2008 11:08 AM | Link to this reply (#7)

updated the list.  Enjoy

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Posted: 04 December 2008 11:16 AM | Link to this reply (#8)

How to add a Carrier Signal in to a frequency analyzer (he calls it a CV in, which is misleading, because CV ins usually refer to expression pedal ins, which this is not)
http://experimentalistsanonymous.com/board/viewtopic.php?t=376

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Posted: 04 December 2008 02:28 PM | Link to this reply (#9)

this isn’t sorted out really well but here are two guys who modded their SMMH so you don’t have to hold down record

vulcaniza did an external box with some extra stuff:
http://acapella.harmony-central.com/forums/showthread.php?t=1744297&page=38

cloudscapes/tape put a flip switch on the side that he could flick with his toe
http://acapella.harmony-central.com/forums/showthread.php?p=25774555&highlight=switch+toggle#post25774555

and here’s another thread about it:
http://acapella.harmony-central.com/forums/showthread.php?t=1990930

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Posted: 06 December 2008 12:05 PM | Link to this reply (#10)

Resistor Mod for Big Muff Pi.

I know most people increase the resistors as part of the Creamy Dreamy mod.  Does anybody know what value to replace them with?  Thanks,

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Posted: 11 December 2008 03:37 PM | Link to this reply (#11)

Hey all!

Great to see that my Big Muff mods page is used for some good sounds!

Rogier

In the creamy dreamer those resistors were enlarged to 15k

On freestompboxes the story of the Creamy Dreamer was told; Billy never owned one; he played one as the “inventer” asked him to. He liked it but not loved it. He hate the fact his name is connected to this pedal!

Edited: 11 December 2008 03:40 PM by Bernardduur
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Posted: 11 December 2008 05:07 PM | Link to this reply (#12)

So I actually done the tone bypass mod I put together the other day, I had only tried it on a fuzz face big muff hybrid I built and it had good results, but on the big muff its even better, if you do this mod there’s no way you will complain about a lack of volume anymore, it now passes unity at about 10-11 o/clock. While in tone bypass mode its very reminiscent of the IC big muff I have, still unmistakeably a big muff just with a flatter EQ as opposed to a scooped one. Over all its an excellent mod, I recommend doing it. Anyone one with a soldering iron can do it, takes about ten minutes and is a very basic mod for beginners, I highly recommend it. :rawk:

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Posted: 13 December 2008 04:42 AM | Link to this reply (#13)

Sorry, the “Creamy Dreamer” story was told first and fully at “DIYstompboxes” forum,
but you`ll have to register at: “DIYstompboxesforum” before being able to view the “Lounge”...

Most Of All… We Need The FUNK

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Posted: 13 December 2008 01:18 PM | Link to this reply (#14)
puretube - 13 December 2008 10:42 AM

Sorry, the “Creamy Dreamer” story was told first and fully at “DIYstompboxes” forum,
but you`ll have to register at: “DIYstompboxesforum” before being able to view the “Lounge”...

Ah, great to know!

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Posted: 13 December 2008 06:03 PM | Link to this reply (#15)
puretube - 13 December 2008 10:42 AM

Sorry, the “Creamy Dreamer” story was told first and fully at “DIYstompboxes” forum,
but you`ll have to register at: “DIYstompboxesforum” before being able to view the “Lounge”...

And yet people refuse to believe it, they still think B.Corgan used one of these CD BMP’s. rolleyes

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