• Country
• United States of America (USA)

• Manufacturer / Brand
• United Motors Service (Delco)

• Year
• 1973

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

• Radiomuseum.org ID
• 321087

• • alternative name: Delco Radio Corp. (Appliance) || Delco-Remy Division, General Motors Corp. || United Motors Service Delco General Motors
  • Brand: Chieftain || Delco

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 3 AF stage(s)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Delco 7937571 Corvette - United Motors Service Delco

• Shape
• Chassis only or for «building in»

• Notes

• This mono radio was available as option U69 for the 1973 Corvette at cost of $173.00.

  The stereo version, option U58 cost $276.00.

  Of the 30,464 1973 Corvettes produced, 12,482 chose the stereo version while 17,596 chose the mono.

  This 1973 radio was the first Corvette radio to use an integrated IC, the DM 11 as FM IF amplifier & discriminator.

  The audio output transistor, type DS501 was mounted on an external heatsink under the dash. The stereo version used two transistors mounted on an external heatsink.

  The mono audio output drove both dash speakers in parallel.

• Price in first year of sale
• 173.00 USD

• Mentioned in
• -- Collector info (Sammler)

• Author
• Model page created by Gary Cowans. See "Data change" for further contributors.

• Other Models

• Here you find 585 models, 331 with images and 548 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from United Motors Service (Delco)