Snarling Dogs Whine-O Wah  [schematic]

All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.

Re: Snarling Dogs Whine-O Wah

Postby prehistoric » 07 Mar 2015, 05:58

my original theory. the 33k parallel the 470k AND the missing 33k that coincindentally has one node common to the aforementioned?

i believe it was a quickie music store crybaby mod ( lift one resistor leg and tack it onto another, 20 seconds?) that someone copied without knowing what or why, then gave the chinese the schematic and said, do it exactly like this. presto.

i asked kenny about it, he did not recall the thing i was talking about.

he also told me he chose linear pots and designed the wide throw to use linear for ease of getting wide selection of pots.
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Re: Snarling Dogs Whine-O Wah

Postby pinkjimiphoton » 07 Mar 2015, 08:51

RG Keen has some projects where you can use multiple resistors in parallel as well.
the point is, yes, it's cheap crap (which sounds pretty good considering) but playing devil's advocate for a minute, 30k isn't a "standard" value.... or rather wasn't necessarily all that many years ago. you'd see shit like 10k,47k, 100k etc at your local rat shack... depends on what/ you buy, what ya have on hand.and that seemed to be a fairly low-budget operation. the only reason i could see for "charlie" doing that would be cuz that's what he had on hand, and that's it. beats me. i see tons of weird and stupid shit every day.

or, "i believe it was a quickie music store crybaby mod ( lift one resistor leg and tack it onto another, 20 seconds?) that someone copied without knowing what or why, then gave the chinese the schematic and said, do it exactly like this. presto."

that makes as much or more sense than anything else ;)
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Re: Snarling Dogs Whine-O Wah

Postby scoogr » 21 Mar 2015, 02:06

I have a similar wah, the Whine-O without the added features. There's a lot that I like about it and a couple things that bug me.
One of my complaints is the all the time boost... I could use unity sometimes.
Moustache00, did you get around to swapping R13 (12k) for a lower value? I'd like to get just below unity so the volume knob could used...

Just in case another schematic would be of use here, I tried out DIYLC and dished one up. I can't get it to upload though. Not sure what to try...

ciao -Scott
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Re: Snarling Dogs Whine-O Wah

Postby scoogr » 21 Mar 2015, 02:08


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Re: Snarling Dogs Whine-O Wah

Postby Msuydam » 14 Jun 2015, 00:49

This is my favorite wah, but the stomp switch has just failed and though I thought I'd documented it right, I'm still missing a connection. Can somebody post a diagram of their stomp switch for the 3PDT version? I see the photos at the start have a DPDT switch, which might work for me as well, unfortunately I'm still new to wiring things up. I've printed the image on the previous post and it looks like it may diagram everything, but will need to study it a little before I know what's there.
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Re: Snarling Dogs Whine-O Wah

Postby scoogr » 21 Jul 2018, 22:29

The link to the schematic went bad + I figured out how to attach it here.
Msuydam, the switch is wired Brown-Red-Orange across the top, empty-black-yellow across the bottom. Maybe your wah has the same coloring scheme? HTH
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