• Anno
  • 1944/1945
  • Categoria
  • Ricevitore professionale (può includere bande amatoriali)
  • Radiomuseum.org ID
  • 49570
    • alternative name: National Toy Co.
    • Brand: Thrillbox

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 Specifiche tecniche

  • Numero di tubi
  • 9
  • Principio generale
  • Supereterodina con stadio RF; ZF/IF 456 kHz; 2 Stadi BF
  • N. di circuiti accordati
  • 11 Circuiti Mod. Amp. (AM)
  • Gamme d'onda
  • Onde medie (OM), lunghe (OL) e più di 2 gamme di onde corte (>2 x OC).
  • Tensioni di funzionamento
  • Fornita mediante altra unità o unità principale. / AC 6.3 & DC 240 Volt
  • Altoparlante
  • - Questo apparecchio richiede altoparlante/i esterno/i.
  • Potenza d'uscita
  • 1.5 W (qualità ignota)
  • Materiali
  • Mobile di metallo
  • Radiomuseum.org
  • Modello: HRO-5-R - National Company; Cambridge &
  • Forma
  • Boatanchor (pesante apparecchio militare o commerciale, > 20 kg)
  • Dimensioni (LxAxP)
  • 480 x 260 x 300 mm / 18.9 x 10.2 x 11.8 inch
  • Annotazioni
  • Coverage: 50 kHz - 30 MHz (9 ganged coil sets 50-100 / 100-200 / 180-430 / 480-960 / 900-2050 kHz / 1,7-4 / 3,5-7,3 / 7-14,4 / 14-30 MHz, no bandspread in these coils available).

    Modes AM / CW/SSB (BFO).

    The 0 – 500 epicyclic readout dial allows for continuous analog tuning while digitally indicating incremental progress over a range of ten full turns of the large tuning knob that tunes with velvet smoothness. Ten times the circumference of the dial is nearly 4 meters on a normal dial scale, which delivers great frequency resolution. The dial is not calibrated to directly indicate a frequency but a frequency calibration chart is necessary to determine the correct operation frequency.

    Rack mounted and tropicalized HRO model Var. 5 , knobs with metal skirts (selectivity control in right upper corner also with metal skirt), black laquered micrometer dial and round S-meter, on the coil sets on the right a printed chart to register calls / frequencies of specific stations; built to JAN (joint army-navy) specifications.

    External "dog house" type power supply : PSU 697 (filaments 6.3 V AC, B+ 240 V DC) used as standard.

     

  • Peso netto
  • 16.5 kg / 36 lb 5.5 oz (36.344 lb)
  • Fonte esterna dei dati
  • Ernst Erb
  • Riferimenti schemi
  • Rider's Perpetual, Volume 17 = 1948 and before

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