This drawbar tab is brown with a red square and would be used as a volume control on most ( )of the DX and CD range (not the omega, arcus and analogue range) of Wersi organs.
Wersi Helios Lower Tab set Circuit board GP 1 Printed in English
Yamaha CVS10 Organ Drawbar Module Used
Wersi organ spares
Board AG3 from Wersi Organ Helios W2S
Connection Panel From Wersi Organ Helios
Wersi Ox7 software for free-standing drawbar expanders
