McMurdo Silver, Inc.(pre WW2); Chicago - Silver 15-17

Model: Silver 15-17

Manufacturer/Brand: McMurdo Silver, Inc.(pre WW2); Chicago

Country: United States of America (USA)

Year: 1938

Category: Broadcast Receiver – or past WW2 Tuner

Valves/Tubes: 6K7 6L7 6J7 6K7 6G5 6K7 6J5 6K7 6H6 6J5 6J5 6L6 6L6 5Z3 5Z3

Main principle: Superhet with RF-stage; ZF/IF 472 kHz

Tuned circuits: 9 AM circuit(s)

Wave bands: Broadcast and Short Wave (SW).

Power type and voltage: Alternating Current supply (AC) / 60 cycles, 115 Volt

Loudspeaker: Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 15 inch = 38.1 cm

Material: Wooden case