DC-Echo Analogue Delay

From the vendor

Schematic now available; see below.

Hmm, a cleaner and brighter version of a Deluxe Memory Man? A faithful reproduction of the Electro-Harmonix Echo 600, an EXTREMELY rare pedal from the very early eighties.

Read more in the following document!

Note: If using a 3pdt pcb from us (or any other supplier) on your stomp switch, be advised there is a necessary GROUND connection not shown in the document between it and the main board. A 9V wire is not necessary however, since the LED is already powered from (and located on) the main board.

Build documentation:

Schematic:

This is your Wet Signal Audio Probing Flow (in Long Mode):

IC1 Pin 1

IC1 Pin 7

IC7 Pin 7

IC2 Pin 1

IC2 Pin 7

Topside (North end) of R19 or R20

TP2 (IC10)

TP3 (IC11)

TP4 (IC12)

IC4 Pin 1

IC4 Pin 7

IC7 Pin 10

IC5 Pin 7

IC5 Pin 1