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5AC ; United American (ID = 27514) Radio
5AC ; United American (ID = 27515) Radio
5AC ; United American (ID = 56713) Radio 5AC ; United American (ID = 1992056) Radio
5AC ; United American (ID = 1992059) Radio 5AC ; United American (ID = 1992060) Radio
5AC ; United American (ID = 1992061) Radio
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5AC ; United American (ID = 56713) Radio
United American: 5AC [Radio] ID = 56713 600x405
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For model 5AC, United American Bosch (Magneto Corporation); Springfield (MA):
American-Bosch Model 5-A Copyright by Lynn Toppo Radio Attic
Country:  United States of America (USA)
Manufacturer / Brand:  United American Bosch (Magneto Corporation); Springfield (MA)
alternative name
American Bosch Magneto
Year: 1930/1931 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 224 224 224 247 280
Main principle TRF without regeneration; Screengrid 1926-1935
Tuned circuits 3 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: 5AC - United American Bosch Magneto
Material Wooden case
Shape Tablemodel without push buttons, Mantel/Midget/Compact up to 14
Notes [3331434-1006B]
Price in first year of sale 480.00 SFR
External source of data E. Erb 3-907007-36-0
Circuit diagram reference Die «Thali Schemasammlung» führt das Modell.
Literature/Schematics (1) Rider's Perpetual, Volume 1 = 1931/1934 (1919 to 1931) (and 2)

All listed radios etc. from United American Bosch (Magneto Corporation); Springfield (MA)
Here you find 412 models, 158 with images and 269 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.