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A-707 ; Philco, Philadelphia (ID = 631657) Radio
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A-707 ; Philco, Philadelphia (ID = 631657) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Philco, Philadelphia Stg. Batt. Co.; USA
Year: 1941/1942 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 7A8 7B7 7C6 35A5 35Z3
Main principle Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
Wave bands Broadcast plus 2 Short Wave bands.
Power type and voltage AC/DC-set / 115 or 230 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out 1.6 W (unknown quality)
from Model: A-707 - Philco, Philadelphia Stg. Batt
Notes Model A-707 is identical to model 42-706 with the exception of the cabinet and several parts.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 14 = 1944 = before 1943
Literature/Schematics (1) Philco 1942 RMS Year Book

All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA
Here you find 3739 models, 2117 with images and 3137 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.