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Ned FlandersModerator
Uh, maybe…
Ned FlandersModeratorSOme guy, a rock starthat i cant think of his name right now, uses one on bass. EHX have it on one of their videos.
Ned FlandersModeratorYeah I new fran done the 2000 revision. its true, John possibly done the two new ones but I really don’t know for sure. i don’t know who done the BMPTW either.
Ned FlandersModeratorI just read thru your site again, all looks good now!
I’ll upload them 3 schematics today and get them to you.Ned FlandersModeratorI have over 20 photo’s of his production process and gut shots that prove how poor they are, they are the worst pedals i’ve ever seen.
I also have the schematics (I reversed one of his pedals, and others reverse an other) of his pedals and they are all tweaked existing pedals.
But hey, buy what you want.Ned FlandersModeratorAlso the tolerances of parts used on the sovtek muffs are all over the place IMO, this is what gives so much variation in sound.
The biggest mistake the sovtek muff designer made was using .047uF caps in the clipping section, this makes them woofy/boomy and increasing these two caps to .22uF gets rid of it.
I personally hate the sound of sovtek muffs stock, I love the look of them though that’s why I have three and plan on getting a few more different ones.
I don’t like the sound of the triangle muff or the first ramshead either, they are too thin compared to the version 6 ,opamp, and RI muffs. The version 6 3034 is probably the best of all older muffs IMO, this is account on the 2N5088’s and the 1uF caps allowing more bass thru the circuit, the triangle and first ramsheads have a bunch of .1uF caps thru the circuit which limits bass too much IMO plus the triangle and ramsheads are very low gain compared to V6.Ned FlandersModerator2n5088 is definitely NPN, I build effects and I use them all the time. All PNP Big Muffs were positive ground and all NPN were negative ground.
Russian trannies are weird, some are marked some are not, i have the numbers of some, i’ll find them and post them.
The green sovtek transistors are about 700hFE, the same as the US RI versaion, 700 is considered high gain. I know the gain because I removed them and measured them.
With the 3 RI’s there are value changes and types of component changes. I’ll PM you the schematics.Ned FlandersModeratorDon’t buy any dwarfcraft pedals, they are easily the most poorly made pedals I have ever seen and for what they are(tweaked existing circuits) they are a rip off. You can easily make a power starve unit yourself for less than $20.
Ned FlandersModeratorOk thanks!
Ned FlandersModeratorYou can download a manual here https://www.ehx.com/assets/instructions/micro-synthesizer.pdf
Whether they forgot to put them in this too is up to you to find out because i have no idea.Ned FlandersModeratorI remember someone online telling me they bought one in 77, I have nothing to verify it with and its just word of mouth so your guess is as good as mine as to the accuracy of this.LOL
You can use my pics, its no problem!
The wicker muff is seriously one of the best sound big muff revisions around. Even in normal mode its very cool.Here’s some things I noticed and some info I added too, nothing major really, just a few minor details:
THE “RAM’S HEAD” BIG MUFF – VERSION 2
TYPO>You list 2N5088 as a PNP transistor, it should be NPN.
THE OP-AMP BIG MUFF – VERSION 4
The version 4 could have been out as early as 77. You made a typo on the UA741, it reads UA751. You have my 1978 version 5 muff picture under your version 4 description AND under you version 5 description.THE OP-AMP “TONE BYPASS” BIG MUFF – VERSION 5
You list version 5 coming out in 78 or 79, it was 78. This I am 100% certain.Civil war metal can transistors are called a “TO-18” package, the black plastic ones have a “TO-92” package.
THE SOVTEK “GREEN RUSSIAN” BIG MUFF
Only two component changes where made from the civil war muffs.
They contained high gain transistors.THE SOVTEK “BLACK RUSSIAN” BIG MUFF (SMALL BOX)
There are two versions of this box, one with four screws (current) and the one before it with six screws which was heavy duty.
THE USA RE-ISSUE RED AND BLACK BIG MUFF – VERSION 8
3003B and 3003C use BC550C transistors.THE LITTLE BIG MUFF RE-ISSUE – VERSION 9
This isn’t a RI of the NYC in a smaller box, its schematic differs significantly form the NYC, you could call it a variation of the NYC.TONE WICKER MUFF
Uses BC550C transistors.Thats about it, like I said its nothing major.
Ned FlandersModeratorIn normal mode its definitely one of the best big muff revisions I’ve ever heard.
Ned FlandersModeratorThere’s 3003 opamp versions that look identical to this, you should open it up and post a photo of the PCB, I’ll be able to tell you which you have.
Ned FlandersModeratorYea, I find new info all the time myself. If you had an IC muff with two 741’s two things could of happened, either the builder made a mistake or someone has swapped it out because I have the first IC muff factory EHX schematic and it definitely calls for a 741 and a 4558. The first IC muff came in in 77 BTW it was a 3003 PCB which is odd because it shares nothing in common with the 3003 ramshead muff, the schematic I have is dated March 77. Most version 4 muffs have 77 pots too. They only sold the version 4 for around a year then they swapped to version 5 with tone bypass, they also changed the PCB to the 1322 version. Even though there are only two opamp versions there are at least three different PCB layouts.
The muffs on your page that are mine are the gut shots of the 78 version 5 opamp muff, the 1981 version 6 muff and the tonewicker muff..
Regarding the 2007 and 2008 RI NYC muffs, there are enough component changes to call them another version, they are designated by EHX as (2007) 3003-B(2008), 3003-C, I have both schematics for these too. The PCB layout and way the 3003-C is wired has changes significantly from the 3003-A model too.
I like that you include the sovtek muffs because they are some of the best looking muffs around IMO.
BTW, I am sure Howard Davis is the designer of the opamp muffs.
My Big Muff site wont include any company history like yours so I’m glade some one else done that. Mine will have all big muff version info and pics and detailed info about component swaps between versions, mods that I have put together and all the schematics for each version so people can service their muffs if need be.
I’ll check thru your site again today and make notes of what I see wrong and post it here so you can correct it.
Ned FlandersModeratorQuote:Those are good articles, some of the first ones I found on the web when I started researching Big Muffs. Some of the dates are wrong, but a good history.Some of your big muff info is inaccurate. I noticed a few things and I will compile a list of them later.
I noticed you have a least 3 of my big muffs on your page too.LOL
A few of your version number designations are wrong also and you are missing the 2007 and 2008 NYC RI Big Muffs.
Once I post a list you can amend your site and it should be good.Coincidentally, I’m making a Big Muff site myself.
Also so you know, the 77 and 78 opamp Big muffs used one LM741 and one RC4558 not two LM741’s. -
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