Digital Synthesized Tuner ST-64

Marantz (Sound United LLC); Vista, CA

  • Year
  • 1985
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 314849

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop
  • 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: Digital Synthesized Tuner ST-64 - Marantz Sound United LLC;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 416 x 73 x 295 mm / 16.4 x 2.9 x 11.6 inch
  • Notes
  • A 2 band stereo hi-fi AM/FM tuner in a black or gold metal case covering FM and MW with a quartz synthesizer dual gate MOSFET front end and linear phase IF filters. RCA sockets for line output and easy bus and remote control bus input/output, clip-on rotatable AM aerial, coax socket for 75ohm FM aerial and terminals for 300ohm FM and AM aerials.  Memory for 8 FM and 8 AM preset radio stations, FM IF Wide/Narrow switch, keys for tuning up/down, mono/stereo and fine tuning, 

    Specification  
    FM Tuner Section 87.5-108 MHz
    Usable Sensitivity  
      Mono (s/n 26dB 75Ω) 0.7µV
      Stereo (s/n 46dB 75Ω) 20µV
    Alternate Channel Selectivity 98MHz  
      Wide IF
      Narrow IF
    40dB
    75dB
    Signal to noise ratio  
      Unweighted Mono
      Unweighted Stereo
    78dB
    73dB
      Weighted Mono
      Weighted Stereo
    85dB
    76dB
    Total Harmonic Distortion Mono
       Wide IF
       Narrow IF

    0.05%
    0.15%
    Total Harmonic Distortion Stereo
       Wide IF
       Narrow IF

    0.08%
    0.3%
    Frequency Response
       30Hz — 15kHz
    +0.5/-1.5dB
    Stereo separation
       Wide IF
       Narrow IF

    55dB
    50dB
    Channel Balance 0.2dB
    MW Tuner Section 531-1602 kHz
    Usable Sensitivity 20dB S/N 30% Mod., 999kHz 350µV/m
    Selectivity 999kHz, ±9kHz 60dB
    Signal-to-Noise Ratio, 999kHz 54dB
    Total Harmonic Distortion, 999kHz 0.3%

    Versions/Power Requirements
    110-120/220-240 AC 50/60 Hz with voltage selector

    Same as the 3 band Marantz ST-64L Digital Synthesized Tuner which additionally has LW.

  • Net weight (2.2 lb = 1 kg)
  • 3.4 kg / 7 lb 7.8 oz (7.489 lb)
  • Mentioned in
  • -- Original prospect or advert (1985-86 Marantz Hifi-Video catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual ST-64/ST-64L Stereophonic Tuner)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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