Used 1976 Electro-Harmonix Doctor Q ENVELOPE FOLLOWER Effect Pedal

Looking for vintage tone with character? This used 1976 Electro-Harmonix Doctor Q Envelope Follower is a classic effects pedal that adds dynamic, auto-wah-style filtering to your sound, reacting to your playing intensity for a truly expressive experience. Known for its simplicity and tonal warmth, it features a single switch for the "Range" setting, allowing you to tailor the effect to suit guitar or bass. With its rugged steel chassis and straightforward 1/4-inch input/output jacks, this pedal is ready for both stage and studio use. Despite its age, this unit is in good condition, showing some cosmetic wear while remaining fully functional and retaining the vintage analog mojo Electro-Harmonix is celebrated for. Whether you're chasing funk, jazz, or experimental tones, the Doctor Q delivers a unique flavor you won’t find in modern effects. A perfect addition for collectors or any musician seeking retro vibe and responsiveness.