• Country
• United States of America (USA)

• Manufacturer / Brand
• Sargent Co., E.M.; Oakland, CA

• Year
• 1936/1937

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 123482

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

• Number of Tubes
• 12

• Valves / Tubes
• 6K7 6J7 6L7 6J7 6E5 6K7 6K7 6C5 6J7 6J7 6F6 5Z3

• Main principle
• Superhet with RF-stage; ZF/IF 535 kHz

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Material
• Metal case

• from Radiomuseum.org
• Model: 21AA - Sargent Co., E.M.; Oakland, CA

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

• Notes
• Covers 0,55 - 30 MHz in 5 bands, BFO, regenerative 1st RF stage using separate regeneration tube.

• Price in first year of sale
• 139.00 $

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

• Mentioned in
• Communications Receivers

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

• Other Models

• Here you find 27 models, 21 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sargent Co., E.M.; Oakland, CA