• Country
• United States of America (USA)

• Manufacturer / Brand
• General Electric Co. (GE); Bridgeport CT, Syracuse NY

• Year
• 1952 ??

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

• Radiomuseum.org ID
• 41875

• • Brand: Musaphonic

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

• Number of Tubes
• 8

• Valves / Tubes
• 6SK7 7B8 6SK7 6SQ7 6J5 6V6GT 6V6GT 6X5GT

• Main principle
• Superhet with RF-stage; ZF/IF 265 kHz; 2 AF stage(s)

• Tuned circuits
• 8 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Power out
• 7.25 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 233 "Kaiser-Frazer" - General Electric Co. GE;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 9.9 x 5.3 x 13.1 inch / 251 x 135 x 333 mm

• Notes
• 6" x 9" PM elliptical speaker
  Vibrator for +B
  Push-pull output stage

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 18 = 1949 and before

• Other Models

• Here you find 2910 models, 2135 with images and 2034 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from General Electric Co. (GE); Bridgeport CT, Syracuse NY