Reverse-Engineered! - Elka 410CST1295

Mar 9, 2025

What is it

The Elka 410CST1295 ia a described as Lower Switches and Squelch.

Those PCBs are used in the Elka Concorde 119 from 1981.

Why do I have it and where did I get it from

This PCB is one of many analog synthesizers and organ parts I acquired at an auction about 15 years ago.

PCB

Elka 410CST1295 Top Elka 410CST1295 Bottom

Schematic

Elka 410CST1295 Schematic Elka 410CST1295 Placement