Stereo Tuner TX-9500II (2)

Pioneer Corporation; Tokyo

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  • Year
  • 1977
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 314655

 Technical Specifications

  • Number of Transistors
  • 17
  • Semiconductors
  • Main principle
  • Superhet, double/triple conversion
  • 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: Stereo Tuner TX-9500II - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 420 x 150 x 395 mm / 16.5 x 5.9 x 15.6 inch
  • Notes

  • An AM/FM stereo hi-fi tuner covering MW and FM. RCA sockets for fixed and variable line output and FM Multipath output, unswitched AC mains outlet, 75ohm and 300ohm FM aerial connections, rotatable AM rod aerial and FM De-emphasis switch. Analogue dial, VU meters for Signal strength and for Tuning, output level control, switches for Wide/Narrow, Multipath/Rec Level Check and Muting Level and Wide, Narrow and Stereo indicators.

    Specification  
    Semiconductors 5 FETs, 15 ICs, 12 Transistors, 19 Diodes
    FM Section 87.5-108MHz
    Circuitry MOS FET 2-stage RF amplifier, 5-gang variable capacitor,
    IF Band Selector, Wide-band linear detector, doublebalanced NFB type PLL MPX built-in pilot signal auto canceller.
    Usable Sensitivity MONO: 8.8dBf (1.5µV)
    50dB Quieting Sensitivity MONO: 13.2dBf (2.5µV), STEREO: 36.1dBf (35µV)
    Signal-to-Noise Ratio at 65dBf
    MONO: 82dB, STEREO: 77dB
      WIDE,  NARROW
    Distortion at 65dBf           
    MONO:  
      100Hz 0.05%,  0.07%
      1kHz 0.05%,  0.07%
    STEREO:  
      100Hz 0.1%,   0.3%
      1kHz 0.07%, 0.25%
    Capture Ratio 0.8dB, 2.0dB
    Alternate Channel Selectivity 35dB,  85dB
    Stereo Separation  
      1kHz 50dB, 45dB
      50Hz to 15kHz 35dB, 30dB
    Frequency Response 20Hz — 10kHz ±0.2dB
    20Hz — 15kHz +0.2dB, -0.5dB
    De-emphasis 25µs/50µs/75µs switchable
      25µs/50µs switchable (USA & Canada)
    AM Section 525 - 1605kHz
    Circuitry 1 stage RF amplifier 3-gang  variable capacitor
    Sensitivity  
      (IHF, Ferrite antenna) 300µV
      (IHF, Ext. antenna) 15µV
    Selectivity 30dB
    Signal-to-Noise Ratio 55dB
    Audio Section  
    Output Level/Impedance  
    FM (100% MOD.)  
      FIXED 650mV/4.2kΩ
      VARIABLE 50mV to 1.3V/3.6kΩ
    AM (30% MOD.)  
      FIXED 200mV/4.2kΩ
      VARIABLE 15mV to 400mV/3.6kΩ

    Versions/Power Requirements
    KU - USA / 120V AC 60Hz
    KC - Canada / 120V AC 60Hz
    HG - Europe / 220-240V AC 50/60Hz with voltage selector
    S - General / 110/120/220/240V AC 50/60Hz with voltage selector

  • Net weight (2.2 lb = 1 kg)
  • 9.5 kg / 20 lb 14.8 oz (20.925 lb)
  • Mentioned in
  • -- Original prospect or advert (1977-78 Pioneer Hi-Fi Stereo catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (AM/FM Stereo Tuner TX-9500II Service Manual)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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