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MF MD HG01 Mic Month 04-05-18

Electro-Harmonix Doctor Q Envelope Follower

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Product 153323
Product Price $0.00
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Doctor Q responds to your picking dynamics to produce a number of wah-like effects. You've heard it before. It's an essential for classic funk. 9V ba...Click To Read More About This Product

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A reissue of the classic envelope funk box from the '70s.

Doctor Q responds to your picking dynamics to produce a number of wah-like effects. You've heard it before. It's an essential for classic funk. 9V battery included.


Review Snapshot

by PowerReviews

(based on 9 reviews)

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Reviewed by 9 customers

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(1 of 1 customers found this review helpful)


lacks lushness of a good filter, but cheap $

By Sherwood(n't)

from freeville NY

See all my reviews

its an alright envelope follower pedal, i tried out the digitech synth wah's "env. up" feature, an dit sounded great, but when i got this it sounded nothing like the digitech. this pedal's effect is pretty hard to hear, and its not very rich sounding. the bass switch, when switched up, it makes the tone very thin and alot quieter, and when the switch is down, it sound normal loud wit the same effect as tth up position. it takes some fooling around with to figure how to get it just right. i would rather have bought the DOD F25B filter, because it has more controls on it and sounds like it would be a better effect for a filter pedal. but whatever this pedal can make sound funky licks.

(1 of 1 customers found this review helpful)



By V-Mike

from Austin, TX

See all my reviews

I bought one of these a few years back trying to get down with my bad self and get some funk in my guitar playing. However, this pedal is pretty weak. If you have it on the bass setting, the effect is negligible. If you have if off the bass, the volume is cut about in half and the noise is almost unbearable. However, the wikki wikki wakka don't stoppa if you don't care about 60-cycle hum or having to adjust volume.

(1 of 1 customers found this review helpful)


Very nice vintage style pedal.

By Jazzyman

from Alaska

See all my reviews

I bought this pedal recently, and I really like it now. I have a lot of effects (DD-3, DS-1, MD-2, TR-1, PH-3, wah) and this pedal fit right into my collection. I usually put it at the tail end of my effects chain.The effect is very subtle, but I like it a lot. I like to use it to sort of muffle my signal. I'll be playing with a hard distortion tone, and when I hit the DR.Q it muffles the sound and lowers the volume, sort of sounds like on the radio.It's also very good for when you are in a funky sort of mood. I like to turn the knob to a little less than halfway from the right, with bass switch off, and then play on the high strings.The case kind of scared me at first when I saw it because I thought it wouldn't hold up, but it has. I did modify it a little bit. I switched the knob out for a strat tone knob (I like the number reference) and I pulled off all of the rubber pads from the bottom and replaced the battery cover with tape so I could velcro it for use with a pedal board.Over all I am satisfied with this pedal. It does take a little bit of playing with to figure out how to use it though. But once you get a feel for how it works, it is a fun pedal to use.I would definitely reccomend this pedal!

(1 of 1 customers found this review helpful)


buy something else...

By Mike Darvin

from manila, philippines

well.. its not the best envelope filter in the world. you can only hear the effects that this thing makes when your amp is realy loud (its good for live gigs). i dunno.. for me, DOD and DigiTech makes the best envelpoe filters. buy those instead and save a few bucks

(1 of 1 customers found this review helpful)


Doctor Q brings the funk

By grameno

from Undisclosed

This is a really good simple pedal and it depends alot on how you play.I have yet to figure out all it can do but for the most part for the price and the quality of it you can't beat Doctor Q.


Great pedal

By jon-rRql.

from Olympia, Washigton

See all my reviews

I wasn't looking for a "funk box", I was looking for something to make my sound more dynamic, something that would give my full-bodied rhythms a little extra. I was looking into the Vintage DOD440 filter which goes for way more than the original price, and I found the sound I was after in this DoctorQ. Responds great to your picking dynamics, really a touch sensitive pedal. BUY IT!


Good pedal, a little more subtle than other EHX

By Phinx

from United States

The Doctor Q is a great pedal to give some subtle, funky "pop" to your sound. Unlike a lot of other EHX pedals, its effect doesn't go to wild extremes (you know that crazy nervous jitter you can get out of the Small Clone, for example?). However, it does its thing very well, and you can get some pleasingly strange sounds out of the bass strings when you crank up the level knob and turn OFF the bass switch. I usually double up the funk with a phase shifter, and it sounds great. Definitely recommended.


its not good

By Uncle Jessie

from USSR

the sound its make is really a distorted signal without distortion. the envolope sound really sucks, there something about tweeking with something on the inside to make it better but otherwisse it stinks. i play techno so i look for weird effects like that, but this doesnt fit my standards.


word 2 ya momma


from middletown R.I

this is a cool pedal i got for free. it makes really weird sounds, from bassy to wavy washes. it's pretty easy to use and it's cool.

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