• Year
  • 1960 ??
  • Category
  • Commercial Receiver (may include amateur bands)
  • Radiomuseum.org ID
  • 172316

 Technical Specifications

  • Number of Tubes
  • 17
  • Number of Transistors
  • 5
  • Semiconductors
  • Main principle
  • Superhet, double/triple conversion
  • Wave bands
  • Broadcast, Long Wave and more than two Short Wave bands.
  • Power type and voltage
  • Direct Current supply (DC) / 28 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 51S-1A R-1430/UR - Collins Radio Company; Cedar
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 343 x 170 x 381 mm / 13.5 x 6.7 x 15 inch
  • Notes
  • General Coverage Communications Receiver Collins 51S-1A: covering 02 - 30 MHz, AM / CW/SSB; double-conversion above 7 MHz, triple conv. below 7 MHz. Notch-filter, 2 mechanical IF filters.
    Fitted with three 1N1492 power supply rectifiers and four 2N637B power supply switching transistors.
    Variant of the 51S-1 with 28 V DC power supply (airplane use). General Coverage Communications Receiver Collins 51S-1A: covering 0,2 - 30 MHz, AM / CW/SSB; double-conversion above 7 MHz, triple conv. below 7 MHz. Notch-filter, 2 mechanical IF filters.
    Fitted with three 1N1492 power supply rectifiers and four 2N637B power supply switching transistors.
    Variant of the 51S-1 with 28 V DC power supply (airplane use).
  • Author
  • Model page created by Martin Bösch. See "Data change" for further contributors.

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