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Bass Cry Baby Wah

Here's what I know:
I think sound-wise, the Bass wah is voiced to accentuate the mids and highs, keeping the bottom end fat. Also, in the beginning of the sweep there is a little bit of the dry signal of the bass mixed into the filter, and the dry signal is slowly removed as you get to the peak of the filter sweep.
This helps keep the low end fat, and the bass is never lost in the mix. The guitar wah is just the filter, no dry, which is why guitarists often get lost in the mix when they use wah pedals. The bass wah has a Q control to control the character of the filter sound, as well as a volume knob to rise up over the mix and cut through. The generic crybaby does not have this, but I know some other dunlop wahs have this control if you want to spend a little bit more money on something other than a typical wah pedal. The bass wah also has its' on/off switch in the heel position, and is designed so that once you release the wah it will automatically return to the heel position and turn off, which is helpful so once you're done using the wah you simply let go and it turns off. Very useful feature that as I understand isn't on any other crybaby pedal.
Hope that helps!
 
The biggest difference: the Bass Crybaby is NOT a wah pedal; it's a pedal-controlled envelope filter running on a digital circuit.

I have one and I like it but to me it's more of a toy than a tool.
Are we talking about the 105Q? Nothing digital on that pedal my friend. Open it up and take a look. There's a small circuit board, a full size pot for the pedal, two mini pots on the side, the on/off switch under the heel, and a battery clip. No integrated circuits or microprocessors to be found.
 
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I thought it was pretty much your standard crybaby with an additional filter/EQ so that it did not "wah" the bottom end, only mids and treble.

The two circuits are very different. The guitar Crybaby (and Vox) use the same simple circuit that uses an inductor and capacitor to form a resonant filter. It uses only two transistors, or three if it's one of the newer one with an input buffer circuit to stop "tone suck" (treble loss in bypass mode). The 105Q is very different and more complex circuit, and doesn't use an inductor, but I think it uses op-amps to implement a twin-T type filter or something. Also adding to the complexity of the 105Q is the automatic bypass.
 

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