• Country
• United States of America (USA)

• Manufacturer / Brand
• Audiola Radio Co.; Chicago, Illinois

• Year
• 1932 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 33471

• • Brand: Audiodyne

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

• Number of Tubes
• 12

• Valves / Tubes
• 58 57 56 58 58 56 56 56 56 46 46 83

• Main principle
• Superhet with RF-stage; ZF/IF 177,5 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 105-125 Volt

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

• from Radiomuseum.org
• Model: 23-S-12 [var 1 tubes 46] - Audiola Radio Co.; Chicago,

• Notes
• The Audiola model 23-S-12 has push-pull AF output stage. This radio model can not be earlier than 1932, because of some tubes used.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 3 = 1933 and before

• Other Models

• Here you find 111 models, 39 with images and 56 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Audiola Radio Co.; Chicago, Illinois