• Year
  • 1952–1954
  • Category
  • Amateur-Receiver (amateur bands, may include broadcast bands)
  • Radiomuseum.org ID
  • 69102

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

 Technical Specifications

  • Number of Tubes
  • 17
  • Main principle
  • Superhet, double/triple conversion; ZF/IF 1500-2500/455 kHz
  • Wave bands
  • Short Wave (SW only)
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 2.5 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 75A-3 - Collins Radio Company; Cedar
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Dimensions (WHD)
  • 21.2 x 12.5 x 13.1 inch / 538 x 318 x 333 mm
  • Notes
  • Collins 75A-3 Amateur - Band Receiver: Double conversion, AM/CW, NB-FM optional, seven amateur bands from 160 - 10 meters (1,5-2,5 / 3,2-4,2 / 6,8-7,8 / 14-15 / 20,8-21,8 / 26-28 and 28-30 MHz), mechanical 3 kHz filter, optional mechanical 800 Hz filter for CW, four step crystal filter.
    Optional 148C-1 narrow band FM demodulator (6AU6 limiter, 6AL5 freq discriminator), optional 8R-1 crystal calibrator (additional 6 BA6).
    V1 (first RF amp) has been changed from 6CB6 to 6DC6 in sets with s/n above 1573.
  • Net weight (2.2 lb = 1 kg)
  • 25.5 kg / 56 lb 2.7 oz (56.167 lb)
  • Price in first year of sale
  • 530.00 $
  • External source of data
  • Eilert Menke
  • Author
  • Model page created by a member from D. See "Data change" for further contributors.

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