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Q 1931 47 tube

Q 1931 ; Simplex Radio Co. (ID = 584313) Radio
Q 1931 ; Simplex Radio Co. (ID = 584314) Radio
Q 1931 ; Simplex Radio Co. (ID = 1564865) Radio  
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Q 1931 ; Simplex Radio Co. (ID = 1564865) Radio
Simplex Radio Co.: Q 1931 [Radio] ID = 1564865 900x1372
Select picture or schematic to display from thumbnails on the right and click for download.
For model Q 1931 47 tube, Simplex Radio Co.:
Image courtesy of Mark V. Stein for use only. Cathedral and Tombstone Radios.
Country:  United States of America (USA)
Manufacturer / Brand:  Simplex Radio Co.
Year: 1931 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 24 35 24 47 80
Reception principle Super-Heterodyne (Super in general); ZF/IF 175 kHz
Wave bands Broadcast only (MW).
Power type and voltage Alternating Current supply (AC) / 110 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: Q 1931 [47 tube] - Simplex Radio Co.
Material Wooden case
Shape Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
Collectors' prices  
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)
Literature/Schematics (1) Rider's Perpetual, Volume 4 = ca. 1934 and before
Literature/Schematics (2) Cathedral & Tombstone Radios (page 250.)

All listed radios etc. from Simplex Radio Co.
Here you find 175 models, 89 with images and 63 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.