• Country
• United States of America (USA)

• Manufacturer / Brand
• Collins Radio Company; Cedar Rapids (IA)

• Year
• 1961–1979

• Category
• Amateur TRX: Transmitter/Receiver (and Transceiver)

• Radiomuseum.org ID
• 69107

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

• Number of Tubes
• 13

• Valves / Tubes
• 6AU6 6AZ8 6BN8 6CL6 6DC6 6EB8 6U8A 6CL6 6DC6 6EB8 12AT7 6146 6146

• Main principle
• Superhet with RF-stage

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Powered by external power supply or a main unit. / 12/28/115 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Transceiver KWM-2A - Collins Radio Company; Cedar

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 14.8 x 6.6 x 13.3 inch / 376 x 168 x 338 mm

• Notes

• Collins KWM-2A transceiver: CW/SSB, double-conversion, coverage of fourteen 200 kHz segments (standard crystals for 80 - 10 m HAM bands, and comes equipped with a second crystal board to cover any 200 kHz segment in the 3,4 - 30 MHz range, excepted 5,0 - 6,5 MHz, mainly used to cover MARS (Military Affiliate Radio Service) frequencies. Can be recognized from the small knob above the frequency segment switch and the white vertical windows to display the additional frequency bands on both sides of the band switch.
  Several power-supplies available.
  Approx. 100 watts output.
  Similar to KWM-2 with standard coverage of the ham bands only. Over 24000 sets were made, last collins tube equipped amateur radio transceiver.
  See MP-1 for 12 volt power converter.

• Net weight (2.2 lb = 1 kg)
• 9.5 kg / 20 lb 14.8 oz (20.925 lb)

• Price in first year of sale
• 1,250.00 $

• External source of data
• Eilert Menke

• Mentioned in
• The Pocket Guide to Collins Amateur Radio Equipment 1946 to 1980

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• Other Models

• Here you find 100 models, 77 with images and 35 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Collins Radio Company; Cedar Rapids (IA)