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Audio Amplifier Panel Type D

Country:  United States of America (USA)
Manufacturer / Brand:  P & M Radio Company; Niles, OH
Year: 1921 Category: Audio Amplifier or -mixer
Valves / Tubes 1: VT-Class-II or A_Moorhead or UV201
Main principle Audio-Amplification; 1 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: Audio Amplifier Panel Type D - P & M Radio Company; Niles, OH
Material TUBES VISIBLE, material not known.
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 6 x 7.25 x 0 inch / 152 x 184 x 0 mm
Notes The P & M Radio Company Type D Audio Amplifier Panel
Price in first year of sale 18.00 $
Literature/Schematics (1) February 1921 QST magazine advertisement page 100

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

All listed radios etc. from P & M Radio Company; Niles, OH
Here you find 5 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.