Stereo Tuner TX-608

Pioneer Corporation; Tokyo

  • Year
  • 1979
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 213836

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

 Technical Specifications

  • Number of Transistors
  • 9
  • 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
  • Various materials
  • from Radiomuseum.org
  • Model: Stereo Tuner TX-608 - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 451 x 151 x 284 mm / 17.8 x 5.9 x 11.2 inch
  • Notes
  • A hi-fi AM/FM stereo tuner with an analogue dial housed in a vinyl wood finish case. With signal strength and tuning meters, Stereo indicator, Function switch (FM, AM), FM Muting On/Off switch, built-on adjustable ferrite loopstick AM antenna, terminals for AM and FM (300 ohm balanced and 75 ohm unbalanced) antennae, RCA phono Line Output sockets. and on the US model an FM De-Emphasis switch (25µS/75µS).

    Specification  
    Semiconductors ICs 3, FET 1, Transistors 8, diodes 15
    FM Section  
    Usable Sensitivity Mono: 10.8dBf (1.9µV)
    50dB Quieting Sensitivity Mono: 15dBf, Stereo: 38dBf
    S/N Ratio at 65dBf Mono: 80dB, Stereo: 74dB
    Distortion at 65dBf:  
      100Hz
      1kHz
      6kHz
    Mono:  0.1%, Stereo: 0.2%
    Mono:  0.1%, Stereo: 0.2%
    Mono:  0.15%,  Stereo: 0.25%
    Capture Ratio 1.0dB
    Alternate Channel Selectivity 60dB
    Stereo Separation 40dB  (1 kHz), 35dB (30Hz-15kHz)
    Frequency Response 20Hz-15kHz +0.5dB,-1.0dB
    Spurious Response Ratio 70dB
    Image Response Ratio 60dB
    IF Response Ratio 80dB
    AM Suppression Ratio 55dB
    Muting Threshold 17.2dBf (4.0µV)
    Antenna Input 300Ω balanced, 75Ω unbalanced
    AM Section  
    Sensitivity: (IHF, Ferrite antenna) 300µV/m
    (IHF, Ext. antenna)    15µV
    Selectivity 35dB
    S/N Ratio 50dB
    Image Response Ratio 40dB
    IF Response Ratio 70dB
    Antenna Built-in ferrite loopstick antenna
    Audio Section  
    Output Level/Impedance: 650mV/4.3kΩ (FM 100% MOD)

    Versions/Power Requirements

    KU U.S.A. model 120V only
    HE Europe model 220V and 240V (internally switchable)
    HB United Kingdom model 220V and 240V (internally switchable)
    HP Oceania model 220V and 240V (internally switchable)
    S General export model 110V, 120V, 220V and 240V (with voltage selector)
    S/G U.S. military model 110V, 120V, 220V and 240V (with voltage selector)

    Power consumption:  14 W

    Similar to the Pioneer TX-6800 Stereo Tuner (US model).

    Made in Japan and Belgium

  • Net weight (2.2 lb = 1 kg)
  • 5.3 kg / 11 lb 10.8 oz (11.674 lb)
  • Source of data
  • - - Manufacturers Literature
  • Mentioned in
  • -- Original prospect or advert (1979/80 Pioneer Hi-Fi Stereo catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual TX-6800 TX-608 dated May 1979)

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