FM/AM Tuner ST-54

Marantz (Sound United LLC); Vista, CA

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  • Year
  • 1989/1990
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 161973

 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) / 120; 110-240; 220-240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: FM/AM Tuner ST-54 - 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 hi-fi quartz PLL digital synthesizer stereo AM/FM tuner with a digital display housed in a metal case. With an adjustable AM ferrite bar antenna, terminals for AM and FM antennae, RCA phono Line Output sockets and on the US model an unswitched AC outlet.

    Features
    - Manual and auto scan tuning.
    - 16 FM plus 8 AM preset keys.
    - Dual-gate MOSFET front end.
    - Digital tuning with analog fine tune function.
    - Dual Memory system for station frequency and fine tune settings.
    - FM mono/mute function.
    - Linear phase filters with wide/narrow bandwidth.
    - IF function for lowest reception noise.
    - FL station frequency display.
    - Five-segment LED signal quality meter.
    - Separate digital and analog power supplies for lowest noise.
    - Available in black or gold finish with optional rosewood side panels.                       

    Specification  
    FM Stage 87.5-108MHz
    Sensitivity  
    DIN mono (s/n 26dB 75Ω) 0.7µV
    DIN stereo (s/n 46dB 75Ω) 20µV
      Wide IF / Narrow IF
    Selectivity adjacent channel 98MHz 40dB / 75dB
    THD mono 0.05% / 0.15%
    THD stereo 0.8% / 0.3%
    Accuracy at frequency response
    across 30Hz-15kHz bandwidth    		 +0.5dB / -1.5dB
    Stereo separation 55dB / 50dB
    Signal to noise ratio  
     S/N DIN weighted mono 85dB
     S/N DIN weighted stereo 76dB
    Tuner output (1kHz 75kHz Dev.)  940mV
    MW Stage 531-1602kHz
    Sensitivity (s/n 20dB 30% mod. 1MHz) 350µV
    Selectivity 1MHz ±9kHz 40dB
    S/N at 1MHz 54dB

    Versions/Power requirements
    US version  /  120V AC 60Hz
    N and W/T versions  /  220/240V AC 50/60Hz
    E version (4 voltages)  /  110-240V AC 50/60Hz

    Similar to the Marantz ST-54L FM/MW/LW 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 (1989 Marantz Audiophile catalogue)
  • Literature/Schematics (1)
  • -- Original prospect or advert (1990 Marantz Not For The Casual Listener catalogue)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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