Memory Boy

Analog modulation delay (MONO)

All analog Delay with Chorus/Vibrato and feedback..
Up to 550 ms delay time.
Selectable Chorus or Vibrato modulations rates (triangle or square modulation)
Expression pedal control of delay time or modulation rate (expression pedal extends the range of modulation rate)
True Bypass

https://www.ehx.com/products/memory-boy/