• Country
• United States of America (USA)

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

• Year
• 1957/1958

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

• Radiomuseum.org ID
• 68949

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

• Number of Tubes
• 24

• Valves / Tubes
• 6AH6 6AL5 6AQ5 6AU6 6BA6 6BA7 6CL6 6DC6 6U8 12AT7 12AU7 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
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Transceiver KWM-1 - Collins Radio Company; Cedar

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 14 x 6.25 x 10 inch / 356 x 159 x 254 mm

• Notes

• Collins KWM-1 Transceiver: covers ten 100 kHz segments in the range of 14 - 30 MHz resp. 15 - 10 m ham bands; SSB (175 W PEP input) / CW (160 W PEP input).
  Intended primarily for mobile operation, needs external power supply (several availible).
  First Collins SSB-Amateur-Tranceiver!
  Each tube type listed once.
  See MP-1 for 12 volt power converter.

• Net weight (2.2 lb = 1 kg)
• 8 kg / 17 lb 9.9 oz (17.621 lb)

• Price in first year of sale
• 770.00 $

• 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)