Electro-Harmonix Doctor Q Envelope Follower

Pictures

Controls

  • Range
    Controls the frequency range in which the filter moves.
  • Bass Switch
    Lets low sounds through when it is down, and is especially useful when playing bass guitar or bottom string notes on lead guitar.

Various

Electro-Harmonix

The doctor is in! A reissue of the classic envelope funk box from the 1970's, the Doctor Q responds to your picking dynamics producing different wah-like effects. You know you've heard this one before. If you didn't come to dance, then you don't want the funk!

Reviews

myFXDB user reviews

1 review, average score of 7 / 10

DateUserVersionScorePositiveNegative
2014-10-02maxthebassplayer7/10  I like this pedal, but the internal sensitivity wheel moves on its own and I have to open up the pedal about once every 18 months and adjust...

Documentation

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EH-4100 electroharmonix ehx eh electro-harmonics electroharmonics doctorq doctor-q envelope-controlled envelope follower amplitude controlled fx pedal stompbox stomp box guitar effects pedal filter eq/excite/filter bandpass bp bpf band-pass filter diy
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