AM-FM Stereo Tuner FT-4400

Hitachi Ltd.; Tokyo

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  • Year
  • 1980
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 315572
    • alternative name: Hitachi Sales Corp. of America

 Technical Specifications

  • Number of Transistors
  • 42
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 110-120; 120; 220-240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: AM-FM Stereo Tuner FT-4400 - Hitachi Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 435 x 85 x 294 mm / 17.1 x 3.3 x 11.6 inch
  • Notes

  • 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

  • Net weight (2.2 lb = 1 kg)
  • 4.3 kg / 9 lb 7.5 oz (9.471 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Hitachi FT-4400 Service Manual dated July 1980)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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