Amplifier 7-A

• Country
• United States of America (USA)

• Manufacturer / Brand
• Western Electric Company Inc.; New York (NY)

• Year
• 1922

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 91264

• Picture
• Schematics

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Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 3

• Valves / Tubes
• 216A 216A 216A

• Main principle
• Audio-Amplification; 2 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries / 6 & 120 & 9 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Amplifier 7-A - Western Electric Company Inc.;

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 12.5 x 4.5 x 10 inch / 318 x 114 x 254 mm

• Notes

• Amplifier for a Western Electric Loud Speaking Telephone Outfit.

• Source of data
• -- Collector info (Sammler)

• Mentioned in
• Le Guide du Collectionneur TSF Biraud/Foster, Vol. II (page 385)

• Literature/Schematics (1)
• Radio Manufacturers of the 1920's, Vol. 3 (Super=Heterodyne Receivers - by Charles R. Leutz (1924))

• Literature/Schematics (2)
• Modern Radio Reception, C.R. Leutz, 1924, Page 98

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 166 models, 143 with images and 33 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Western Electric Company Inc.; New York (NY)