Date Region Description Price Seller
EUSuper pedale , Avis aux collectionneurs ![Electro-Har...$184.40
EUElectro-Harmonix Doctor Q Pedal (Big Box Envelope Follo...$206.68
USAOriginal pre owned Electro Harmonix Dr. Q envelope filt...$59.00
USAGood working condition, cosmetically what you'd expect ...$80.00
EUI am selling a first version Electro-Harmonix Doctor Q ...$201.72
USAFun pedal. everything works. ![Electro-Harmonix Doctor...$92.00
USA1978 Electro Harmonix Doctor Q envelope filter in very ...$150.00