Stereo Tuner TX-500A

Pioneer Corporation; Tokyo

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  • Year
  • 1972 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 142305

 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
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Tuner TX-500A - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 330 x 118 x 338 mm / 13 x 4.6 x 13.3 inch
  • Notes

  • A stereo hi-fi FM/AM tuner housed in a metal case with wooden sidewalls. With signal  strength meter,  RCA phono output tape and line output sockets, left and right output level adjusters, voltage selector (except US model) and unswitched AC outlet.

    Specification  
    Semiconductors FET 1, Transistors 14, Diodes 21
    FM Tuner Section  
    Frequency Range 88MHz to 108MHz, 87.6MHz to 108MHz (FTZ Approved)
    Usable Sensitivity (IHF) 2.3µV
    Signal-to-Noise Ratio (IHF) 70 dB
    Harmonic Distortion Mono: Less than 0.6% (100% Mod.)
    Stereo: Less than 0.8% (100% Mod.)
    Tuning Indicator Signal Strength type
    Muting Switchable ON-OFF
    Stereo Separation More than 40 dB (1kHz)
    Output Voltage Controllable, from 60mV to 1.8V (100% Mod.)
    Antenna input Impedance 300Ω balanced and 75Ω unbalanced.
    De-emphasis switch 50µS/75µS switchable
    (without FTZ approved and 120V use model)
    AM Tuner Section  
    Frequency Range 525kHz to 1,605kHz
    Usable Sensitivity (IHF) 15µV
    Selectivity (IHF) More than 22 dB
    Signal-to-Noise Ratio More than 50 dB (30% Mod.)
    Output Voltage Controllable from 60mV to 1.8V (100% Mod.)
    Antenna Built-in Ferrite Loopstick Antenna
    Audio Section  
    Output Impedance 3kΩ
    Recording Output FM: 600mV, AM: 600mV

    Versions/Power requirements
    US model  / 120V, 60Hz
    Multi-voltage model /  110V, 120V, 130V, 220V or 240V 50-60Hz (switchable)

    Power Consumption            12W

    Seitenwangen aus Holz, Feldstärken- und Stereoanzeige.

  • Net weight (2.2 lb = 1 kg)
  • 4.6 kg / 10 lb 2.1 oz (10.132 lb)
  • Source of data
  • - - Data from my own collection
  • Mentioned in
  • -- Original prospect or advert (1972 Pioneer Hi-Fi Stereo catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Operating Instructions TX-500A)
  • Author
  • Model page created by Peter Böhm. See "Data change" for further contributors.

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The model Stereo Tuner is part of the collections of the following members.

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