• Year
  • 1956 ?
  • Category
  • Commercial Receiver (may include amateur bands)
  • Radiomuseum.org ID
  • 327165

 Technical Specifications

  • Number of Tubes
  • 14
  • Main principle
  • Superhet, double/triple conversion; ZF/IF 85/700 kHz
  • Wave bands
  • Broadcast, Long Wave and more than two Short Wave bands.
  • Power type and voltage
  • AC/DC-set / DC: 24; 110; 220 / AC: 115; 230 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 1 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Marine Receiver NS702 2207 G - MIM, Marconi International
  • Shape
  • Rack
  • Dimensions (WHD)
  • 495 x 320 x 503 mm / 19.5 x 12.6 x 19.8 inch
  • Notes
  • Suitable for mounting in a bench-type cabinet or on standard 19 inch rack and operating directly from a 110V DC supply or via a power unit with other supplies, the receiver installation will consist of a combination of the following units (depending on requirements):
    1. General Purpose Marine Receiver NS702 (Type 2207E/G)
    2. AC Power Unit (Type 2202A)
    3. 24V DC Power Unit (Type 2203A)
    4. Resistor Unit for operating from 220V DC mains
    5. Rejector Unit (Type 2361A/B/C/D)
    6. Switching Unit (Type 2432A)

    Complete coverage is provided by the receiver over the frequency band 15 kc/s to 28 Mc/s in ten ranges:
    1. 15 - 25 kc/s (20,000 - 12,000 m)
    2. 25 - 100 kc/s (12,000 - 3,000 m)
    3. 100-200 kc/s (3,000 - 1,500 m)
    4. 200 - 400 kc/s (1,500 - 750 m)
    5. 400 - 800 kc/s (750 - 375 m)
    6. 800 kc/s - 1.7 Mc/s (375 - 176.4 m)
    7. 1.7 - 3.6 Mc/s (176.4 - 83.4 m)
    8. 3.6 - 7.5 Mc/s (83.4 - 40 m)
    9. 7.5 - 15 Mc/s (40 - 20 m)
    10. 15.0 - 28.0 Mc/s (20 - 10.7 m)

    IF (Intermediate Frequency):
    On ranges 1, 3, 4 and 5 an IF of 85 kc/s
    On ranges 2 and ranges 6 to 10 a 1st IF of 700 kc/s and a 2nd IF of 85 kc/s
  • Net weight (2.2 lb = 1 kg)
  • 35.4 kg / 77 lb 15.6 oz (77.974 lb)
  • Mentioned in
  • -- Original-techn. papers. (Marconi NS702 Type 2207 Technical Handbook)
  • Author
  • Model page created by Firmino Alves. See "Data change" for further contributors.

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