Pictures
original
original
reissue
reissue
reissue
reissue
reissue
reissue
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.
Information
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!
Video
(2011-03-25) Electro-Harmonix Doctor Q Envelope Follower Overview by GearWire
Reviews
myFXDB user reviews
1 review, average score of
| Date | User | Version | Score | Positive | Negative |
|---|---|---|---|---|---|
| 2014-10-02 | maxthebassplayer | 7/10 | 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
- ad (1976)
- diy project (Pisotones)
- manual
- manual (Electro-Harmonix)
- schematics
- schematics (Free Info Society)
- schematics available at Schematic Heaven
EH-4100 electroharmonix ehx eh electro-harmonics electroharmonics doctorq doctor-q
