Modding a GCB-95 to ZW-45 or DB01 specs

[Bullet79]

ABSOLUTELY YES..!! mainly the 2 resistor (Q1 resistor = 330 ohm - 510 ohm value and the MID 1.5k resistor)...
i'v got another Wah pedal that use pots for this 2 resistor... SERIOUSLY good mod...!! you can tweak just the right amount of mid, bass or treble.....

sometimes with 0.022 sweep capacitor (ZW-45) it would sound like too dark/low ... i prefer stock 0.01 sweep cap with lower value Q1 resistor... 330 ohm is perfect..!!  the right amount of highs and warmer overall.... and 2K for the mid resistor....

ONE MORE cool mod is to check your MPSA18 transistor hFE... higher value (800-above) for most heaviest metal wah scream..
or low value hfe for that vintage tone... solder a transistor socket and give it a try with various transistor... sure u'll find what u lookin for... (MPSA18 high gain wah - 2n3904 ala' vintage ) 2n5088 motorola trans work very nice for that inbetween sound