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DUO-AMPLO-UNIT ; Crosley Radio Corp.; (ID = 1173035) Ampl/Mixer DUO-AMPLO-UNIT ; Crosley Radio Corp.; (ID = 1173036) Ampl/Mixer
DUO-AMPLO-UNIT ; Crosley Radio Corp.; (ID = 1173037) Ampl/Mixer
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DUO-AMPLO-UNIT ; Crosley Radio Corp.; (ID = 1173035) Ampl/Mixer
Crosley Radio Corp.;: DUO-AMPLO-UNIT [Ampl/Mixer] ID = 1173035 933x1203
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For model DUO-AMPLO-UNIT, Crosley Radio Corp.; Cincinnati (OH):
Circa December 1922 Crosley Catalog page 17
Country:  United States of America (USA)
Manufacturer / Brand:  Crosley Radio Corp.; Cincinnati (OH)
Year: 1922/1923 Category: Audio Amplifier or -mixer
Valves / Tubes 2: UV201 UV201
Main principle Audio-Amplification; 2 AF stage(s)
Wave bands - without
Power type and voltage Storage and/or dry batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Model: DUO-AMPLO-UNIT - Crosley Radio Corp.;
Material Wooden case, TUBES VISIBLE.
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Notes Crosley DUO-AMPLO-UNIT Consists of a two-stage amplifier neatly mounted in a mahogany finished cabinet.
Price in first year of sale 14.00 $
Literature/Schematics (1) QST (January 1923, advertisement page 85)

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

All listed radios etc. from Crosley Radio Corp.; Cincinnati (OH)
Here you find 1680 models, 1006 with images and 1158 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.