• Country
• United States of America (USA)

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

• Year
• 1932

• Category
• Amateur Transmitter (only)

• Radiomuseum.org ID
• 72403

• Wave bands
• Short Wave (SW only)

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Transmitter 40 A/B - Collins Radio Company; Cedar

• Shape
• Console, Lowboy (legs < 50 %).

• Notes
• Collins transmitter 40 A/B: covers 1715 - 14300 kHz resp. 160 - 20 m ham bands with plug in coils.
  Collins 40A: CW (A1), modular construction consisting of 30W exciter (247, 247, 210), 9C amplifier modulator, antenna tuner.
  Collins 40B: CW (A1), AM (A3), modular construction consisting of 30W exciter (247, 247, 210), input amplifier 90C (56, 56), 9C amplifier modulator, antenna tuner. Carbon microphone or 5A condensor microphone (864, 864).
  Einer der frühesten Amateursender von Collins mit 30 Watt Ausgangsleistung. Der Kurzwellensender von HB9B scheint das einzige noch übrig gebliebene Gerät zu sein.

• Price in first year of sale
• 235.00 $

• Source of data
• -- Collector info (Sammler)

• Mentioned in
• QST 10/1932

• Author
• Model page created by Ernst Erb. 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)