Crybaby into V-pedal

DRF · 05-16-2009, 05:35 AM

I just bought another wah and have an old crybaby,I always wanted a volume pedal and they don't seem to be cheap.

So to convert this crybaby over, is it just a matter of putting a pot in there. What K would be optimal,is there any special considerations? any diagrams someone would care to post?

V!N · 05-21-2009, 06:05 PM

Wah Wah Mods

Wah-Volume pedal mod

Lifting the earth connection of the 4.7µF capacitor will cancel the wah effect and leave you with a volume pedal. The wah circuit will thin out the tone in volume mode - to get around this, the '70s Jen Wah-Volume pedal switches in a 4K7 resistor and 0.22µF cap in series across the 0.01µF "sweep cap". This isn't a very useful mod in practice; if the pot is set to get a good wah sweep, it won't go silent in volume mode, and if it's set up to kill the volume, there won't be enough treble in the wah.

DRF · 05-26-2009, 04:44 AM

Oh shit,didn't realize I got a reply. Thanks for the info and link.

V!N · 05-26-2009, 02:51 PM

Thanks for noticing me !

05-16-2009, 05:35 AM	#1 (permalink)
DRF Senior Member Join Date: Nov 2008 Posts: 1,335 Thanks: 5 Thanked 12 Times in 8 Posts	Crybaby into V-pedal I just bought another wah and have an old crybaby,I always wanted a volume pedal and they don't seem to be cheap. So to convert this crybaby over, is it just a matter of putting a pot in there. What K would be optimal,is there any special considerations? any diagrams someone would care to post?

05-21-2009, 06:05 PM	#2 (permalink)
V!N Airis Guitarus Playeris Join Date: Mar 2007 Location: Working on De-Railroad Posts: 2,465 Thanks: 30 Thanked 38 Times in 12 Posts	Re: Crybaby into V-pedal Wah Wah Mods Wah-Volume pedal mod Lifting the earth connection of the 4.7µF capacitor will cancel the wah effect and leave you with a volume pedal. The wah circuit will thin out the tone in volume mode - to get around this, the '70s Jen Wah-Volume pedal switches in a 4K7 resistor and 0.22µF cap in series across the 0.01µF "sweep cap". This isn't a very useful mod in practice; if the pot is set to get a good wah sweep, it won't go silent in volume mode, and if it's set up to kill the volume, there won't be enough treble in the wah. __________________ I've been driving all night, my hands wet on the wheel.

05-26-2009, 04:44 AM	#3 (permalink)
DRF Senior Member Join Date: Nov 2008 Posts: 1,335 Thanks: 5 Thanked 12 Times in 8 Posts	Re: Crybaby into V-pedal Oh shit,didn't realize I got a reply. Thanks for the info and link.

05-26-2009, 02:51 PM	#4 (permalink)
V!N Airis Guitarus Playeris Join Date: Mar 2007 Location: Working on De-Railroad Posts: 2,465 Thanks: 30 Thanked 38 Times in 12 Posts	Re: Crybaby into V-pedal Thanks for noticing me ! __________________ I've been driving all night, my hands wet on the wheel.

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