FM/AM Digital Synthesized Tuner TX-940L

Pioneer Corporation; Tokyo

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  • Year
  • 1983 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 321311

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: FM/AM Digital Synthesized Tuner TX-940L - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 420 x 60 x 223 mm / 16.5 x 2.4 x 8.8 inch
  • Notes

  • A 3 band AM/FM stereo digital synthesized tuner with a digital frequency display. Memory for 8 FM and 8 AM preset radio stations. Push button switches for Memory, Auto Search, FM Muting, Band Selection (FM, MW, LW), Station Call (1  - 8), Tuning Down and Tuning Up,  indicators for FM Stereo, Tuned, Terminals for AM and FM antennae,  RCA Line Output sockets.

    Specification  
    FM Tuner Section  
    Frequency Range 87.5-108.0MHz
    Usable Sensitivity Mono; 10.8dBf (0.95µV), 75Ω
    50dB Quieting Sensitivity Mono; 16.2dBf (1.8µV), 75Ω
    Stereo, 37.2dBf (19.8µV), 75Ω
    Signal-to-Noise Ratio (at 85dBf input) Mono; 85dB
    Stereo; 80dB
    Total Harmonic Distortion   Mono; 0.05% (1kHz)
    Stereo; 0.08% (1kHz)
    Capture Ratio 1.0dB
    Alternate Channel Selectivity 400kHz 56dB
    Stereo Separation 1kHz, 50dB
    Frequency Response 30Hz-15kHz +0.5dB,-1dB
    Image Response Ratio 50dB
    IF Response Ratio 80dB
    Spurious Response Ratio 70dB
    AM Suppression Ratio 60dB
    Muting Threshold 30dBf (8.5µV), 75Ω
    Antenna Input 300Ω balanced, 75Ω unbalanced
    AM Tuner Section  
    Frequency Range MW: 522-1611kHz, LW: 153-360kHz
    Usable Sensitivity (loop antenna)  MW: 250µVm, LW: 1200µV/m
    IF Response Ratio  MW: 50dB, LW: 40dB
    Selectivity 40dB
    Signal-to-Noise Ratio 50dB
    Image Response Ratio 35dB
    Antenna Loop antenna (supplied)
    Output Section  
    Output Terminals (Output Level) FM (100% MOD) Fixed 700mV
    AM (30% MOD)  Fixed 150mV

    Versions/Power requirements

    HE Europe 220 V AC 50/60Hz
    HB UK 240 V AC 50/60Hz

    Power consumption:  8.5 Watts

  • Net weight (2.2 lb = 1 kg)
  • 2.5 kg / 5 lb 8.1 oz (5.507 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Operating instructions TX-940L)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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