Date Region Description Price Seller
USA Pot dates to 1977. Doctor Q pedal is used and in good condition with n...$159.00
USAGreat sounding envelope filter. Does those Jerry and disco era sounds am...$125.00
USAElectro-Harmonix Doctor Q Envelope Follower (Vintage, Made in NYC, USA)U...$100.00
UKSelling fully working EHX Doctor Q Envelope Follower pedal.No box, but w...$140.87
USAElectro harmonics Doctor envelope follower ![Electro-Harmonix Doctor Q ...$125.00
UKOriginal EHX Doctor Q, with original box and paperwork. All in excellent...$267.53
Top