FM/AM Stereo Tuner ST-7200

Technics (brand)

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  • Year
  • 1976/1977
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 334880

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 120; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: FM/AM Stereo Tuner ST-7200 - Technics brand
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 410 x 140 x 352 mm / 16.1 x 5.5 x 13.9 inch
  • Notes

  • A hi-fi 2 band AM/FM stereo tuner with an analogue dial housed in a wooden case with a silver metal front. With an FM/AM Tuning Meter, rotary Tuning control, push button switches for Power, Selector (AM/FM) and Mute, and an FM Stereo indicator. On the rear panel, terminals for AM and FM antennae, an adjustable AM rod aerial, RCA phono Line Out sockets and a voltage selector. The UK model AM Intermediate Frequency is set at 470kHz.

    Specifications (IHF)  
    FM Tuner Section  
    Frequency range 88-108MHz
    Antenna terminals 300Ω (balanced)
    75Ω (unbalanced)
    Sensitivity 2µV
    THD (400Hz, 100% modulation) MONO 0.2%
    STEREO 0.4%
    S/N ratio 75dB
    Frequency response 20Hz-15kHz +0.2dB,-1dB
    Alt. channel selectivity 70dB
    Capture ratio 1.0dB
    Image rejection (at 98MHz) 55dB
    IF rejection (at 98MHz) 80dB
    Spurious response rejection (at 98MHz) 85dB
    Stereo separation 45dB at 1kHz
    35dB at 10kHz
    AM Tuner Section  
    Frequency range 525-1605kHz
    Sensitivity 30µV
    Selectivity 25dB
    Image rejection (at 1000kHz) 45dB
    IF rejection (at 1000kHz) 40dB

    Versions/Power requirements
    110/120/220/240V AC 50/60Hz with voltage selector

    Power consumption:  9W

  • Net weight (2.2 lb = 1 kg)
  • 4.8 kg / 10 lb 9.2 oz (10.573 lb)
  • Mentioned in
  • - - Manufacturers Literature (1976/77 Technics Hi-Fi catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual Technics ST-7200)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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