Keeley Electronics Magnetic Echo – Modulated Tape EchoMaker: Keeley Electronics Model: Magnetic Echo Modulated Tape Echo Condition: New Description: Keeley Magnetic Echo The Mag Echo pedal simulates tube tape echo sounds by using the delay circuit and a little bit of modulation. Tape echos have long been regarded as a warm and very guitar friendly form of delay. The Mag Echo achieves similar results by using a touch of Lo Fi delay, a slightly filtered echo response to keep things warm, and some