Your Source for DIY Pedal PCBs and NostalgiTone! › GuitarPCB Forum › Show Off Your Build › Two Wahs and a Box of Holes
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Barry.
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September 16, 2020 at 5:09 pm #14806
ChuckParticipantI’ve been going back through my old stuff (didn’t work, didn’t work well or just didn’t make me smile). Project 1 – Seven years ago Barry had a BOGO on MoWahs so I snapped up a pair. Populated both boards – one with a Whipple and the second with a Red Fasel – and put the Whipple version in a chrome Guitar Research shell I snagged on fleabay. After reading Wilkie’s ‘The Story of a Super Modded MoWah’ I decided to mess with the Red Fasel version that had been floating around my bench for years. After some pondering, I pulled the Whipple version from the chrome shell with a new long shaft stomp switch, a RotoTone, a 100KC gain pot, a 50KC ‘Q’ pot, and the bass boost switch. Project 2 – While digging through my stash of stuff looking for another wah shell (everybody has a bunch of those right?) I discovered the Dunlop Hendrix Wah I grabbed off fleabay as a non-working for parts deal that worked quite nicely when I plugged it in. Had replaced the original inductor with a Yellow Fasel and the switch with a 3PDT and added an LED as well. At some point I disassembled this one. Checking a much older Dunlop Wah I discovered the old thing no longer works so I transferred the Hendrix Wah guts to the old shell. Project 3 – AKA Box of Holes. This is the old R2G2 board I populated without paying a whole lot of attention to the build instructions. Never got it to work (although I didn’t put a lot of thought or effort into sorting it). A few bits had been pirated for other projects but I thought I’d take another look at it. For some bone headed reason I had populated it as the buffered version but tried to run it through a 3PDT board. Had also used a couple really wrong resistor values. Replaced the pirated bits, corrected the wrong resistors and added a very old 3PDT switch from a dead-dead project. Popped everything in the box of holes just to try it out and was shocked it works!
Here are the faces:

Here are the guts:

And the control layout on the MoWah (had to adapt to the former toggle holes at the front for the pot and RotoTone):
September 16, 2020 at 7:22 pm #14808Anonymous
GuestThanks for sharing your results! Well done!
September 17, 2020 at 1:23 am #14814
BillyModeratorLove the mowah
Yours looks really good much much neater than mine
Very nice
September 17, 2020 at 12:26 pm #14819
BarryKeymasterVery nice!
Well done and thanks for sharing.
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