Used Electro-Harmonix Doctor Q Envelope Filter Guitar Effect Pedal Catalinbread delay and designed to echo your

and designed to echo your vision

The practical use shows the simulation chorus Pure clear and transparent texture sounds fresh and natural

and other musical applications

+-12dB at 5kHz

or cross the threshold to self-oscillation

Used Electro-Harmonix Doctor Q Envelope Filter Guitar Effect Pedal Catalinbread delay and designed to echo yourMint, all original packaging, as new The classic 1970's funk box now available in a pocket sized case. Dynamic picking response produces super funky wah like tones. The Doctor Q is an envelope filter that specializes in generating percussive punchy filter sweeps for a rhythmic groove. Features: True bypass Simple one knob range control Switch selectable bass boost Responds to your personal picking style Tough and compact die cast chassis 9 volt