Echo 4HP

Echo / delay module in 4HP.

PT2399 based Echo / Delay with a CV input to modulate delay time.

Clean version has adjustable 5mS to 300mS delay time.
Lo-Fi version goes up to about 600mS, but at the expense of noise on longer repeat times. It's still fairly clean on lower times.

Delay time knob.

Feedback and self oscillation control trimmer.

Wet / Dry mix trimmer.

+12V = 30mA
-12V = 8mA

Module depth is 14mm to the PCB's, 33mm with power plug installed.