The famous Echoplex™ pre-amp paired with an analogue voiced filtered delay. Echoplex pre's are prized for their musical tone and ability to buffer and/or add some boost, sparkle and life to your signal. This unit both boost or buffers your signal with the Jfet Echoplex pre, it also provides warm analogue voiced repeats with a delay time of up to 600ms. This unit has the preamp always active, then the stomp switches in the delay. Knobs are Boost (Master Vol), Delay Time, Repeats and Wet/Dry mix.