• Country
• United States of America (USA)

• Manufacturer / Brand
• Delco Radio Corp. (Appliance)

• Year
• 1957

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

• Radiomuseum.org ID
• 272066

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

• Number of Tubes
• 8

• Valves / Tubes
• 12BA6 12BE6 12BA6 12BF6 12V6GT 12V6GT 12AU7 0Z4

• Main principle
• Superhet with RF-stage; ZF/IF 262 kHz

• Wave bands
• Broadcast only (MW).

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

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

• Material
• Metal case

• from Radiomuseum.org
• Model: Chevrolet Wonderbar 987577 - Delco Radio Corp. Appliance

• Shape
• Chassis only or for «building in»

• Notes

• External power supply with speaker and vibrator.

  External power supply with push-pull output stage and vibrator unit. No housing above p/s chassis. Speaker separate, but included in set  (6"x9" elliptical, permanent magnet)

  Preselect buttons and automatic signal seeking (wonderbar feature)

  RF preamplifier stage

  Fitted to 1957 Chevrolet Belair, 1-50, 2-10, Delray, Nomad cars

• Mentioned in
• Photofact Folder, Howard W. SAMS (Set 352, Folder 17-S, 1957)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 364, Folder 1, 1957)

• Author
• Model page created by Arpad Roth † 27.3.17. See "Data change" for further contributors.

• Other Models

• Here you find 14 models, 14 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Delco Radio Corp. (Appliance)