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48AA ; United American (ID = 2481668) Radio 48AA ; United American (ID = 2479933) Radio
48AA ; United American (ID = 2479934) Radio 48AA ; United American (ID = 2479936) Radio
48AA ; United American (ID = 2479937) Radio 48AA ; United American (ID = 2479938) Radio
48AA ; United American (ID = 2479940) Radio
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48AA ; United American (ID = 2481668) Radio
United American: 48AA [Radio] ID = 2481668 1080x1440
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For model 48AA, United American Bosch (Magneto Corporation); Springfield (MA)
Country:  United States of America (USA)
Manufacturer / Brand:  United American Bosch (Magneto Corporation); Springfield (MA)
alternative name
American Bosch Magneto
Year: 1929 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 224 224 224 227 245 245 280
Main principle TRF without regeneration
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: 48AA - United American Bosch Magneto
Material Wooden case
Shape Console, Highboy (legs > 50 %).
Dimensions (WHD) 30 x 53.25 x 18 inch / 762 x 1353 x 457 mm

One dial (primary tuning control knob).

Highboy with stretcher base. Sliding doors.

Model page created by Stephen Ewbank. See "Data change" for further contributors.

All listed radios etc. from United American Bosch (Magneto Corporation); Springfield (MA)
Here you find 413 models, 159 with images and 268 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.