• Country
• United States of America (USA)

• Manufacturer / Brand
• Clarion, Transformer Corp. of America (TCA); Chicago, IL

• Year
• 1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 63383

• • Brand: Clarion

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

• Number of Tubes
• 8

• Valves / Tubes
• 51 or 35 51 or 35 27 51 or 35 24 or 24A 24 or 24A 47 80

• Main principle
• Superhet with RF-stage; ZF/IF 175 kHz; 1 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Clarion AC90 - Clarion, Transformer Corp. of

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Notes
• Same chassis as model 91

• Price in first year of sale
• 79.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965 (Advert Spanish mag. "Radio Técnica" 02/1932)

• Literature/Schematics (1)
• Riders 1-10, 11, 12

• Other Models

• Here you find 143 models, 77 with images and 106 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Clarion, Transformer Corp. of America (TCA); Chicago, IL