Front view of this amplifier, after the cover removal.

Interal view, the wiring has been done very well, note the orange Geloso capacitors and the anodic filter.

Detailed view of one of two capacitors used in the power supply section, in this amplifier the preamplifier and phase inverter tubes heathers are driven in CONTINUE CURRENT, this to avoid any hum.

Detailed view of one of the three knobs, each one reports the Geloso label logo inside too.

Rear view of this nice amplifier, used in Italy in the 40' in many churches.

Detailed view of the label with all possible loudspeakers connections, this amplifier was designed for PA purposes, so many impedances choices was required.

View of this nice 12W 6V6 push-pull AB class amplifier.

HERE you can download the original Geloso Technical Bullettin where this equipment was described. (Italian language only)