Vintage Electro Harmonix Doctor Q.
Get groovy! Envelope filters are a staple of funk and jam bands alike by tracking the dynamics of your notes and opening an envelope at a particular frequency set by the single control knob. Takes 1/8" power adapter or 9V battery.
We are a FULL SERVICE shop, have a expert repair and Custom Modification department as well as an on-site Custom Shop for in-house instrument builds. Guitar Villa is run by musicians, techs and recording engineers and we are here to help you with any product selection or use questions you may have. We can advise on the best value at any budget. See us for all your questions or needs before and after the sale!