• Country
• United States of America (USA)

• Manufacturer / Brand
• Belmont Radio Corp. (B.R.C.); Chicago, Ill.

• Year
• 1939 ??

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 34245

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

• Number of Tubes
• 6

• Valves / Tubes
• 6K7 6A8 6SK7 6Q7 6J5 6N7

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm

• from Radiomuseum.org
• Model: 678A [See notes] - Belmont Radio Corp. B.R.C.;

• Notes
• SN 50,0001 and above. Sync.vibrator for +B.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 10 = 1939 and before

• Other Models

• Here you find 442 models, 206 with images and 383 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Belmont Radio Corp. (B.R.C.); Chicago, Ill.