• Country
• United States of America (USA)

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

• Year
• 1967–1975

• Category
• Amateur-Receiver (amateur bands, may include broadcast bands)

• Radiomuseum.org ID
• 126564

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

• Number of Tubes
• 12

• Valves / Tubes
• 6DC6 6DC6 6EA8 6EA8 12AX7 6BA6 6BA6 6EA8 6AT6 6BF5 6DC6 6AU6

• Main principle
• Superhet, double/triple conversion; ZF/IF 2955-3155/455 kHz

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Alternating Current supply (AC) / 115/230 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 3 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 75S-3C - Collins Radio Company; Cedar

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 380 x 180 x 300 mm / 15 x 7.1 x 11.8 inch

• Notes
• Collins Amateur Band receiver 75S-3C: covers 80 - 10 m amateur bands in 14 ranges (3,4-3,6 / 3,6-3,8 / 3,8-4 / 7,0-7,2 / 7,2-7,4 / 14,0-14,2 7 14,2-14,4 / 14,8-15 / 21,0-21,2 / 21,2-21,4 / 21,4-21,6 / 28,5-28,7 MHz) plus 14 additional 200 kHz segments; AM / LSB/USB / CW with BFO and product detector, notchfilter (rejection-tuning). Selectivity 2.1 kHz (SSB), 200 Hz (CW), 4.5 KHz (AM).
  Accessories: speaker 312B-3, station-console 312B-4, many different xtal-filters. Matches the 32S-3 transmitter.
  These sets can be recognized by a small knob above the band range switch and a white coloured background of the band range switch indicator.
  In late sets, the 6AU6 VFO tube is substituted by a 7543.

• Net weight (2.2 lb = 1 kg)
• 9.2 kg / 20 lb 4.2 oz (20.264 lb)

• Price in first year of sale
• 697.00 $

• Source of data
• - - Manufacturers Literature

• Mentioned in
• Communications Receivers

• Literature/Schematics (1)
• Shortwave Receivers - Past & Present (3rd ed.)

• Author
• Model page created by Martin Steyer. 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)