Natural Sound FM Stereo Tuner CT-7000 USA & Canada model

Yamaha Co.; Hamamatsu

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  • Anno
  • 1974–1978
  • Categoria
  • Radio (o sintonizzatore del dopoguerra WW2)
  • Radiomuseum.org ID
  • 327069
    • alternative name: Nippon Gakki

 Specifiche tecniche

  • Numero di transistor
  • 108
  • Semiconduttori
  • Principio generale
  • Supereterodina (in generale)
  • Gamme d'onda
  • Solo modulazione di frequenza (FM)
  • Particolarità
  • Hi-Fi equipment
  • Tensioni di funzionamento
  • Alimentazione a corrente alternata (CA) / 117 Volt
  • Altoparlante
  • - Per cuffie o amplificatori esterni
  • Materiali
  • Mobile in legno
  • Radiomuseum.org
  • Modello: Natural Sound FM Stereo Tuner CT-7000 [USA & Canada model] - Yamaha Co.; Hamamatsu
  • Forma
  • Apparecchio per ripiani a scaffale (come i componibili HiFi).
  • Dimensioni (LxAxP)
  • 436 x 144 x 352 mm / 17.2 x 5.7 x 13.9 inch
  • Annotazioni

  • A hi-fi FM-Stereo Tuner with an analogue dial housed in an American Walnut wooden case with a hairline brushed aluminium front panel. Dual-gate MOS FET front end with a 7 gang tuning capacitor, PLL MPX decoder, ceramic block IF filter, low pass filter, auto hi-blend circuit, double FM muting circuit, two meters (signal strength/multipath, tuning), auto touch tuning, AFC station indicator, output level control. With a jack for headphones with volume control, on the back terminals for ground, F type socket for coaxial antenna, 75 ohm and 300 ohm antennae terminals, RCA phono sockets for Fixed and Variable Line Output, for Multipath output and IF output and an unswitched AC outlet.

    Specification  
    Tuning Range 88-108MHz
    Sensitivity (mono) IHF Normal > 2.5µV, Wide > 3.2µV
    Image Frequency Rejection > 120dB
    IF Rejection > 120dB
    Spurious Response Rejection > 120dB
    AM Rejection IHF > 60dB
    Capture Ratio 1mV: Normal > 1.3dB, Wide > 1.0dB
    10µV: Normal > 2.0dB, Wide > 3.0dB
    100mV: Normal > 1.0dB, Wide > 1.0dB
    Selectivity IHF (75kHz Dev) Normal > 80dB, Wide > 18dB
    Signal/Noise Ratio IHF (mono)
    (75kHz Dev)    		 > 78dB
    Signal/Noise Ratio IHF (stereo)
    (75kHz Dev)    		 > 75dB
    Total Harmonic Distortion IHF
    (antenna level 1mV)    		  
     Mono (400Hz; 75kHz Dev)
     (50-10,000Hz; 75kHz Dev)    		 Normal < 0.08%, Wide < 0.08%
    Normal < 0.3%, Wide < 0.15%
     Stereo (400Hz; 75kHz Dev)
     (50-10,000Hz; 75kHz Dev)    		 Normal < 0.08%, Wide < 0.08%
    Normal < 0.5%, Wide < 0.2%
    Stereo Separation IHF  
     (400Hz; 75kHz Dev)
     (50-10,000Hz; 75kHz Dev)    		 Normal & wide 50dB
    Normal 35dB, Wide 40dB
    Frequency Response 50-10,000Hz ±0.3dB
    30-15,000Hz +0.5dB,-1.0dB
    Headphone Output 4.16Ω
    Fixed Output 775mV
    Variable Output 2V-70mV variable
    Antenna Input Impedance 300Ω (balanced), 75Ω (unbalanced)

    Semiconductors: Transistors 108, FETs 12, Diodes 33, Zener Diodes 9, ICs 7
    Power requirements: 117V AC 60Hz
    Power Consumption: 23 watts (illum. off: 13 watts)

    Very similar to the Yamaha CT-7000 FM Stereo Tuner European version.

  • Peso netto
  • 13 kg / 28 lb 10.1 oz (28.634 lb)
  • Bibliografia
  • -- Original prospect or advert (1978 Yamaha Natural Sound catalogue)
  • Letteratura / Schemi (1)
  • - - Manufacturers Literature (Service manual Yamaha CT-7000 dated 10-74)
  • Letteratura / Schemi (2)
  • -- Original prospect or advert ((Yamaha CT-7000 brochure)
  • Autore
  • Modello inviato da Howard Craven. Utilizzare "Proponi modifica" per inviare ulteriori dati.

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