c1962 HOFNER MODEL 4550/S/T3 ARCHTOP GUITAR

 - ACTIVE ELECTRICS

COURTESY OF RAMIN HESSE - VINTAGE*GUITAR*COLLECTION, BERLIN, GERMANY:

Note: This particular guitar is fitted with a version of the Lyre tailpiece that is unusual for Hofner.  

Left to Right:
4-way Pickup Selector Switch;
3-way Pre-amp Selector Switch (Active Electrics On/Passive Electrics On/All Electrics Off);
Conventional Hofner Single Master Volume Control Console) .

The battery compartment for the active electrics, located next to the tailpiece strap-button.