Tag: Envelope Filter with Effects Loop

electro-harmonix Q-TRON Plus Envelope Filter with Effects Loop Q-TRON+ Envelope Controlled Filter with External Loop and “Response” ControlCongratulations on your purchase of the Q-Tron+ enhanced envelope controlled filter. It is a very powerful tool for musical expression. Please take a few minutes to familiarize yourself with the Q-Tron+ features and controls.Envelope controlled filters are unique…