• Country
• Great Britain (UK)

• Manufacturer / Brand
• CAC (C.A.C.) City Accumulator Co. (Radio Ltd. Valve/Cabinets); London

• Year
• 1934

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 158608

• • Brand: CAC

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

• Number of Tubes
• 3

• Valves / Tubes
• VMS4 VMS4 1881A

• Main principle
• TRF with regeneration

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Short Wave converter - CAC C.A.C. City Accumulator Co

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• 3-valve, AC-powered shortwave converter with an aperiodic HF stage followed by an autodyne frequency changer.

  The shortwave ranges are changed by means of plugin coils.

  • 15.5 – 27.5 metres
  • 26.5 – 51.5 metres
  • 46.0 – 95.0 metres

  Designed by W. I. G. Page B. Sc

• Price in first year of sale
• 10.00 GB £

• Source of data
• -- Original-techn. papers.

• Literature/Schematics (1)
• Wireless World (The), London (WW, 79) (Dec 1, 1933, Page 433.)

• Author
• Model page created by Mike Izycky. See "Data change" for further contributors.

• Other Models

• Here you find 10 models, 9 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from CAC (C.A.C.) City Accumulator Co. (Radio Ltd. Valve/Cabinets); London