AM-FM Stereo Tuner FT-4400

Hitachi Ltd.; Tokyo

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  • Année
  • 1980
  • Catégorie
  • Radio - ou tuner d'après la guerre 1939-45
  • Radiomuseum.org ID
  • 315572
    • alternative name: Hitachi Sales Corp. of America

 Spécifications techniques

  • No. de transistors
  • 42
  • Semi-conducteurs
  • Principe général
  • PLL (Phase-locked Loop, boucle à phase asservie)
  • Gammes d'ondes
  • PO et FM
  • Particularités
  • Equipement HIFI
  • Tension / type courant
  • Alimentation Courant Alternatif (CA) / 110-120; 120; 220-240 Volt
  • Haut-parleur
  • - Pour casque ou amplificateur BF
  • Matière
  • Boitier métallique
  • De Radiomuseum.org
  • Modèle: AM-FM Stereo Tuner FT-4400 - Hitachi Ltd.; Tokyo
  • Forme
  • Appareil d'étagère
  • Dimensions (LHP)
  • 435 x 85 x 294 mm / 17.1 x 3.3 x 11.6 inch
  • Remarques

  • A stereo hi-fi digital synthesized AM/FM tuner. RCA line out sockets, clip-on AM loop aerial, terminals for AM loop and external AM aerials, 300 ohms balanced and 75 ohms coaxial unbalanced FM antenna terminals. Memory for 6 FM or AM radio stations. Recording level check mechanism.

    Specification  
    Semiconductors 5 ICs, 42 transistors (5 FETs). 68 diodes (7 LEDs)
    FM Tuner                       
    Circuit system                             Microcomputer controlled digital synthesizer system MOS FET RF first stage 4-gang electronic tuner front end Quadrature detection, PLL MPX
    Frequency band 87.9 to 107.9 MHz (200 kHz steps) for U.S.A. and Canada
    87.5 to 108.0 MHz (50 kHz steps) for Europe, Asia and Latin America
    Sensitivity 1.0 µV (75Ω IHF and DIN), 10.8 dBf (new IHF 300Ω)
    Image rejection ratio 70 dB (98.1 MHz)
    Total harmonic distortion MONO: 0.08% (at 1 kHz, IHF and DIN)
    STEREO: 0.1% (at 1 kHz, IHF and DIN)
    Signal-to-noise ratio MONO: 75 dB (IHF), 68 dB (DIN)
    STEREO: 71 dB (IHF), 64 dB (DIN)
    Frequency response 30 Hz to 12 kHz (75µs +0.5,-1.0 dB) for U.S.A. and Canada
    30 Hz to 12 kHz (50µs +0.5,-1.0 dB) for Europe, Asia and Latin America
    Selectivity 70 dB (±400 kHz IHF), 65 dB (±300 kHz DIN)
    Stereo separation 50 dB (1 kHz. IHF and DIN)
    Output voltage 550 mV (400 Hz, 75 kHz deviation)
    AM Tuner  
    Circuit system Microcomputer-controlled digital synthesizer system first stage 2-gang electronic tuner front end
    Frequency range 530 to 1,620 kHz (10 kHz steps) for U.S.A. and Canada
    522 to 1,611 kHz (9 kHz steps) for Europe, Asia and Latin America
    Sensitivity 15 µV (IHF), 18 µV (DIN)
    350 µV/m (IHF Loop antenna), 800 µV/m (DIN Loop antenna)
    Selectivity 30 dB (IHF ±10 kHz) 28 dB (DIN ±9 kHz)
    Signal-to-noise ratio 53 dB (IHF and DIN)
    Output voltage 165 mV (400 Hz, 30% modulation)

    Versions/Voltage Requirements
    U.S.A. and Canada / 120V AC 60 Hz
    Asia and Latin America / 110-120V/220-240V 50/60 Hz
    Europe, U.K. and Australia / 220-240 V AC 50 Hz
    Power consumption   11 watts

  • Poids net
  • 4.3 kg / 9 lb 7.5 oz (9.471 lb)
  • Schémathèque (1)
  • - - Manufacturers Literature (Hitachi FT-4400 Service Manual dated July 1980)
  • Auteur
  • Modèle crée par Howard Craven. Voir les propositions de modification pour les contributeurs supplémentaires.

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