• Anno
  • 1965 ??
  • Categoria
  • Ricevitore militare
  • Radiomuseum.org ID
  • 187901

 Specifiche tecniche

  • Numero di tubi
  • 13
  • Numero di transistor
  • 1
  • Semiconduttori
  • Principio generale
  • Supereterodina con stadio RF; ZF/IF 4300 kHz; 1 Stadi BF
  • N. di circuiti accordati
  • 8 Circuiti Mod. Amp. (AM)     9 Circuiti Mod. Freq. (FM)
  • Gamme d'onda
  • Gamme d'onda nelle note.
  • Tensioni di funzionamento
  • Batterie / presa di alimentazione supplementare / 1.45 & 45 or 24 Volt
  • Altoparlante
  • - Per cuffie o amplificatori esterni
  • Materiali
  • Mobile di metallo
  • Radiomuseum.org
  • Modello: R-744/PRR - MILITARY U.S. different makers
  • Forma
  • Soprammobile con qualsiasi forma (non saputo).
  • Dimensioni (LxAxP)
  • 370 x 139 x 168 mm / 14.6 x 5.5 x 6.6 inch
  • Annotazioni
  • U.S. military communications receiver for COMINT intercept missions. Also used by Canada and Australia. Used during the Vietnam War.

    Frequency range 20-100 MHz AM/FM/CW. Has three RF stages, a two-tube L.O., four IF stages, AM and FM det. BFO and one AF stage for headphones only. There is also a crystal calibrator for every 2 MHz.

    Single band: 20-100 MHz continuously with inductive tuning. Two antenna inputs, normal and DF antenna switch selectable. The four IF stages, FM det., BFO, AF stage and crystal calibrator are all plug-in modules for easy replacement.

    Each module is made of aluminium and has the size and socket of a 7-pin miniature tube. All modules contain a sub-miniature tube with all its components and is sealed.

    The receiver can be operated from internal dry batteries or from a 24V vehicle system. The receivers were made by various manufacturers and exist in some variants.

  • Peso netto
  • 5.8 kg / 12 lb 12.4 oz (12.775 lb)
  • Letteratura / Schemi (1)
  • - - Manufacturers Literature (U.S. Army TM5825-203-20)
  • Autore
  • Modello inviato da Christer Falkenström. Utilizzare "Proponi modifica" per inviare ulteriori dati.

 Collezioni | Musei | Letteratura

Collezioni

Il modello R-744/PRR fa parte delle collezioni dei seguenti membri.

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