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Two-Stage Amplifier Model 4A

Two-Stage Amplifier Model 4A; Sears, Roebuck & Co. (ID = 980239) Ampl/Mixer Two-Stage Amplifier Model 4A; Sears, Roebuck & Co. (ID = 980240) Ampl/Mixer
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Two-Stage Amplifier Model 4A; Sears, Roebuck & Co. (ID = 980239) Ampl/Mixer
Sears, Roebuck & Co.: Two-Stage Amplifier Model 4A [Ampl/Mixer] ID = 980239 933x699
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For model Two-Stage Amplifier Model 4A, Sears, Roebuck & Co.; Chicago (IL):
1924 Sears & Roebuck Model 4A Two-Stage Audio Amplifier
 
Country:  United States of America (USA)
Manufacturer / Brand:  Sears, Roebuck & Co.; Chicago (IL)
Brand
 
Silvertone
Year: 1924 Category: Audio Amplifier or -mixer
Valves / Tubes 2: WD12 WD12
Main principle Audio-Amplification; 2 AF stage(s)
Wave bands - without
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Radiomuseum.org Model: Two-Stage Amplifier Model 4A - Sears, Roebuck & Co.; Chicago
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Dimensions (WHD) 11 x 7 x 8 inch / 279 x 178 x 203 mm
Notes The Sears Roebuck Model 4A Two-Stage Audio Amplifier was a matching unit for the Model 4 Detector Receiving set. It sold for $33.35 complete with batteries and two WD12 tubes or $18.75 amp and cabinet alone. This amplifier was manufactured by the Crosley Radio Corp.
Net weight (2.2 lb = 1 kg) 12 lb 0 oz (12 lb) / 5.448 kg
Price in first year of sale 19.00 $
Literature/Schematics (1) 1924 Sears Roebuck Radio catalog

Model page created by Alan Larsen. See "Data change" for further contributors.



All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)
Here you find 5339 models, 3107 with images and 3907 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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