AM/FM Stereo Tuner TU-X1

Sansui Electric Co., Ltd.; Tokyo

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  • Year
  • 1980 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 171215

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superhet with RF-stage
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 100; 120; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: AM/FM Stereo Tuner TU-X1 - Sansui Electric Co., Ltd.;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 480 x 197 x 450 mm / 18.9 x 7.8 x 17.7 inch
  • Notes

  • A hi-fi AM/FM stereo tuner with an analogue dial housed in a black metal case. FM controls are green, AM controls are red, Double-Output Facilities, FM Automatic Noise Filter, FM Muting Switch, 400Hz recording Calibration Switch, FM Multipath Meter, Four Meters for FM/AM, AM Muting Switch, Beat Canceller for AM, AM Bar Antenna, Multiple FM/AM Antenna Connections. On the rear, terminals for ground and AM and FM antennae, F type 75 ohm connector for coaxial FM antenna, connector for a Sansui FA-7, RCA phono sockets for FM Multipath, AM IF output (for AM Stereo adaptor), FM Discriminator output, Fixed FM output (Dolby FM de-emphasis), Variable Line output1 and Variable Line output 2, and an unswitched AC outlet.

    Specification  
    FM Section  
    Tuning range 88 to 108MHz
    Usable Sensitivity  
     Mono
     Stereo    		 IHF 8.7dBf (1.5µV), DIN 0.9µV
    IHF 14.5dBf
    50dB Quieting Sensitivity Mono 12.5dBf, Stereo 34.0dBf
    Signal to noise ratio at 85dBf Mono 86dB, Stereo 83dB
    Distortion at 65dBf  
     Mono

         		 < 0.03% at 100Hz
    < 0.02% at 1kHz
    < 0.04% at 6kHz
     Stereo

         		 < 0.04% at 100Hz
    < 0.03% at 1kHz
    < 0.05% at 6kHz
    Alt. channel selectivity (at 400kHz) WIDE < 55dB, NARROW 80dB
    Capture ratio 0.9dB
    Image response ratio 130dB (at 98MHz)
    Spurious response ratio 130dB (at 98MHz)
    Stereo separation

         		 45dB at 100Hz
    50dB at 1kHz
    35dB at 10kHz
       
    Frequency response Stereo 20-15,000Hz +0.2dB,-0.8dB
    Antenna input impedance 300Ω balanced, 75Ω unbalanced
    AM Section  
    Tuning range 530 to 1,600kHz
    Usable sensitivity (bar antenna) NARROW 50dB/m
    Selectivity (±9 kHz) NARROW 35dB
    Signal to noise ratio 65dB
    Distortion (at 30% Mod. 90dB/m) < 0.2%
    Image response ratio 65dB at 1kHz
    IF response ratio 70dB at 1kHz
    Frequency response 40 to 7,000Hz +0dB,-3.0dB
    Output voltage/impedance  
     OUTPUT
     FM OUTPUT    		 0 to 1.2V/2.5kΩ
    200m

    Versions/Power requirements
    100, 120, 220, 240V AC 50/60Hz
    USA and Canada  /  120V AC 60Hz

    Power consumption:   30 watts

    Audiophiler Tuner; mit FM Multipath Ausgang.

  • Net weight (2.2 lb = 1 kg)
  • 16.2 kg / 35 lb 10.9 oz (35.683 lb)
  • Mentioned in
  • -- Original prospect or advert (1980 Sansui Hi-Fi guide)
  • Literature/Schematics (1)
  • -- Original prospect or advert (Sansui TU-X1 brochure)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Service manual Sansui TU-X1)

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