Digital Synthesizer Tuner TU-X701

Sansui Electric Co., Ltd.; Tokyo

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  • Year
  • 1987–1990
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 285029

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • 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) / 120; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Digital Synthesizer Tuner TU-X701 - Sansui Electric Co., Ltd.;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 448 x 98 x 315 mm / 17.6 x 3.9 x 12.4 inch
  • Notes

  • A hi-fi AM/FM quartz PLL digital synthesizer tuner with a digital frequency display housed in a metal case, with fascia end trims fitted to some models. SLDD (Super-Linear Digital Decoder). With auto, manual and frequency direct tuning, 5 signal strength LEDs. On the back, a clip-on adjustable AM loop antenna, terminals for AM antenna, two co-axial FM connections and RCA phono Line Output sockets.

    Features

    • Random presets for 30 FM and AM stations
    • Numeric keypad for instant recall of preset stations
    • Programming two station frequencies for unattended recording
    • Memory scan
    • RF mode selection
    • IF bandwidth selection
    • Record calibrator
    • FM noise canceller
    • Mode switch
    • Two antenna inputs
    Specification  
    FM Section 87.5 to 108MHz
    Usable sensitivity Mono IHF 10.8dBf (0.95µV/75Ω)
    50dB quieting sensitivity Mono 16.2dBf, Stereo 37.0dBf
    Signal to noise ratio at 85dBf Mono 98dB, Stereo 91dB
    Distortion at 80dBf (WIDE)  
     Mono
     Stereo    		 < 0.009% at 1kHz
    < 0.02% at 1kHz
    Alt. channel selectivity  
     WIDE (at 400kHz)
     NARROW (at 300kHz)    		 60dB
    75dB
    Stereo separation (WIDE) 60dB at 1kHz
    Frequency response 20-15,000Hz +0.5dB,-0.5dB
    Antenna input impedance (A/B) 75Ω unbalanced
    AM Section 530 to 1,600kHz
    Usable sensitivity 48dB/m (251µV/m)
    Signal to noise ratio 50dB (85dB/m)
    Image response ratio 45dB at 1,000kHz
    Output voltage 0.775V

    Versions/Power requirements
    USA and Canada  /  120V AC 60Hz
    Europe  /  220/240V AC 50/60Hz with voltage selector switch
    General Export  /  120/220/240V AC 50/60Hz

    Power consumption: 14 Watts

    Similar to the Sansui TU-X711 Digital Synthesizer Tuner.

  • Net weight (2.2 lb = 1 kg)
  • 5.1 kg / 11 lb 3.7 oz (11.233 lb)
  • Mentioned in
  • -- Original prospect or advert (1987 and 1989-90 Sansui Collection catalogues)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual TU-X701)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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