Stereo Tuner TX-8100

Pioneer Corporation; Tokyo

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  • Year
  • 1973/1974
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 121997

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 120; 130; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Stereo Tuner TX-8100 - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 138 x 345 mm / 16.9 x 5.4 x 13.6 inch
  • Notes

  • A hi-fi AM/FM stereo tuner with an analogue dial housed in a wooden case. With Signal Strength and Tuning meters, Stereo indicator, Rotary Selector switch (AM, FM Auto, FM Mono), switches for MPX Noise Filter and FM Muting, rotary controls for AM and FM Output Levels, built-on adjustable Ferrite Loopstick AM Antenna, terminals for AM and FM antennae and Ground, RCA phono sockets for FM Multipath Output, Fixed and Variable Line Outputs, an unswitched AC Outlet, an FM De-Emphasis switch (50µS/75µS) on the General Export model and a jack for Headphones with volume control.

    Specification  
    Semiconductors FETs 2, ICs 4, Transistors 19, Diodes 9
    FM TUNER SECTION  
    Circuitry 2 MOS FETs, 1 stage FM Amplifier, 4 gang
    Variable Capacitor, 6 stage Limiter
    Usable Sensitivity (IHF) 1.8µV
    Capture Ratio (IHF) 1dB
    Selectivity (IHF) 80dB
    Signal-to-Noise Ratio 70dB
    Image Rejection More than 85dB (98MHz)
    IF Rejection More than 100dB (98MHz)
    Spurious Rejection More than 100dB
    AM Suppression 55dB
    Harmonic Distortion Mono: Less than 0.2%
    Stereo: Less than 0.4%
    Frequency Response Stereo 20Hz-15kHz +0.2dB,-2.0dB
    50Hz-10kHz +0.2dB, -0.5dB
    Stereo Separation 1kHz more than 40dB
    50Hz-10kHz more than 30 dB
    Antenna Input 300Ω balanced, 75Ω unbalanced
    AM TUNER SECTION  
    Circuitry 1 stage RF Amplifier, 3 gang Variable Capacitor
    Sensitivity IHF, Ferrite antenna 300µV/m, IHF 15µV
    Selectivity (IHF) 40dB
    Signal-to-Noise Ratio 50dB
    Image Rejection More than 65dB
    IF Rejection More than 85dB
    Antenna Built-in Ferrite Loopstick Antenna
    AUDIO SECTION  
    Output Level/Impedance  
      Fixed
      Variable
      Headphones    		 650mV/4.7kΩ
    70mV - 2V/300Ω
    150mV (8Ω)

    Versions/Power requirements

    FW General Export 110, 120, 130, 220, 240 V 50/60 Hz with voltage selector
    FVZW W. Germany 110, 120, 130, 220, 240 V 50/60 Hz with voltage selector
    KUW U.S.A. 120V 60Hz
    KCW Canada 120V 60Hz

    Power consumption:  27W max.

    FM/AM-Stereo-Tuner. Stereo-Rauschfilter, Anschlüsse für Kopfhörer, Senderabstimmung durch 2 Abstimminstrumente.

  • Net weight (2.2 lb = 1 kg)
  • 7.9 kg / 17 lb 6.4 oz (17.401 lb)
  • Source of data
  • - - Data from my own collection
  • Mentioned in
  • -- Original prospect or advert (1973/74 Pioneer Hi-Fi Stereo catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual TX-8100)

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