Schaller Rotor Sound Vocoder a step-down transformer is recommended

a step-down transformer is recommended for extended use or if you are using the internal amp to drive speakers

In full working order

It's the Bowie/Visconti snare sound - for us that's enough right there

Good example of this rare and excellent tape echo with Sound On Sound and CV Control

Settings (EQ) for room adjustment

Schaller Rotor Sound Vocoder a step-down transformer is recommendedRare Schaller Rotor Sound for sale in very good cosmetic condition and excellent working order. This mono unit features controls for Intensity (dry wet mix) and Speed. Dating from the mid late sixties, this has an unusual circuit design using 18 inductors and has a unique sound. It works superbly unless you really want a realistic Leslie effect (in which case you should buy a Dynacord CLS 222 or Neo Ventilator). I love what it does to beats