• Country
• United States of America (USA)

• Manufacturer / Brand
• Admiral (brand) Continental Radio & Television Co.; Chicago, IL

• Year
• 1956

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 82390

• • alternative name: Continental Radio & TV

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

• Number of Transistors
• 6

• Semiconductors
• 2N172 2N147 or. 2N146 2N145 or. 2N146 TI310 2N185 or. TI352 2N185 or. TI352 1N295 1N295

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Batteries / addl. power jack / D: 6 x 1.5 / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistor Roto-Scope Antenna 7L12 - Admiral brand Continental

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes

• Admiral model 7L12 is a battery operated portable AM transistorized receiver.

  Accessory: Sun Power Pack.
  Introduced in 1956 as the world's first solar powered radio.
  Admiral's first transistor radio.

• Price in first year of sale
• 250.00 $

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 17, 1957

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 375 Folder 6 dated 10-57)

Solar Radio History

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• Documents regarding this model

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 3186 models, 1323 with images and 2553 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Admiral (brand) Continental Radio & Television Co.; Chicago, IL