anyone built a big muff and bypassed the tone stack?

[runmikeyrun]

I know one of the new big muffs (bass big muff?) comes with a switch to bypass the tone stack.  has anyone ever built theirs like this?  I'm thinking about doing it, as i've just finished up to Q3.  I'm trying to avoid the R+D on it because by build time is at a premium... so if you guys say it sounds like crap i'll just finish it the stock way and not waste my time with wiring in a switch.  I'm using a modified NYC schem and using the pedal on bass.

Also, anyone ever try another set of clipping diodes on Q4?  How about anywhere else in the signal chain?

[blueduck577]

I did the tone bypass mod on my muff.  It's cool, I don't really use it that much because I've also done the mid boost mod to the tone stack which I prefer.  A lot of people really like the tone bypass mod though.  

As far as clipping diodes on Q4, I wouldn't even bother.  Q4's purpose is just a volume boost to recover the losses from the tone stack.  I can't see a good way to insert clipping diodes into the stage.  You'd probably be better off adding another stage like Q2 and Q3 if you want more clipping.

[DiscoVlad]

http://www.diystompboxes.com/smfforum/index.php?topic=89085.0

Yep.

It's a lot more open sounding, and much better for playing live, as you don't have that huge mid scoop from the standard tonestack, so can cut through the mix better.

[roseblood11]

http://www.muzique.com/lab/tbypass.htm

Even more interesting is the tonestack switch of the "Large Beaver" at buildyourownclone.com.
It´s possible to use a standard BM pcb, as you can solder all the additional caps to the rotary switch.
Should work as a mod for an original EHX pedal as well, if there´s enough space to mount the rotary switch.

[edvard]

Did it for a op-amp BM once, didn't like it.
If I was to build another, I'd do the mids mod with another pot to make it adjustable.

[Gus]

Study the Lovetone Big Cheese and Brown Source schematic. 

[joegagan]

http://www.youtube.com/watch?v=2bAIBjd6crc

[roseblood11]

or use a James tonestack. search for "James Muff" at the other  f o r u m...