• Country
• United States of America (USA)

• Manufacturer / Brand
• Barker Bros.; Los Angeles, CA

• Year
• 1934 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 34023

• • Brand: Tempotone

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

• Number of Tubes
• 10

• Valves / Tubes
• 58 57 56 58 58 55 56 46 46 82

• Main principle
• Superheterodyne (common); ZF/IF 262 kHz

• Tuned circuits
• 8 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: M [46 tubes] - Barker Bros.; Los Angeles, CA

• Shape
• Console with any shape - in general

• Notes
• Push-pull af output stage.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 6 = 1935 and before

• Other Models

• Here you find 11 models, 3 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Barker Bros.; Los Angeles, CA