Electro-Harmonix Doctor Q Envelope Follower 1970's Ampeg Independent A-B output to feed

Independent A-B output to feed any number of applications

sizzling chick

You can also link processors for more efficient global control

switch-mode power supply

Applies a healthy "wah-wah" to your high/mid tone while leaving the precious low-end relatively intact

Electro-Harmonix Doctor Q Envelope Follower 1970's Ampeg Independent A-B output to feedA Electro Harmonix Doctor Q Envelope Follower 1970's in Very Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all accessories too. What you see is what you will get so please check out the pictures! Everything we sell has been tested and is fully functional unless otherwise noted. We have a 5 star