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Synthesized Stereo Tuner ST-50

Synthesized Stereo Tuner ST-50; Marantz Sound United (ID = 2544254) Radio Synthesized Stereo Tuner ST-50; Marantz Sound United (ID = 2544255) Radio
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Synthesized Stereo Tuner ST-50; Marantz Sound United (ID = 2544254) Radio
Marantz Sound United: Synthesized Stereo Tuner ST-50 [Radio] ID = 2544254 1200x470
Select picture or schematic to display from thumbnails on the right and click for download.
For model Synthesized Stereo Tuner ST-50, Marantz (Sound United LLC); Vista, CA:
Ebay.de auction item_353109155053 seller schlotterbuex
 
Country:  United States of America (USA)
Manufacturer / Brand:  Marantz (Sound United LLC); Vista, CA
Year: 1990 ? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle PLL, Phase-locked loop
Wave bands Broadcast (BC) and FM or UHF.
Details Radio Control (+Remote Wire etc)
Power type and voltage Alternating Current supply (AC) / 110; 120; 220; 240 Volt
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Synthesized Stereo Tuner ST-50 - Marantz Sound United LLC;
Material Metal case
Shape Book-shelf unit.
Dimensions (WHD) 420 x 86 x 334 mm / 16.5 x 3.4 x 13.1 inch
Notes

A 2 band synthesized stereo hi-fi AM/FM tuner with a digital display covering FM and MW, with D-BUS remote control. RCA sockets for line output and remote input/output, coax socket for 75ohm FM aerial and terminals for AM aerial.  Memory for 30 preset radio stations, FM IF Wide/Narrow switch, keys for tuning up/down, mono/stereo and frequency direct access tuning, 

Specification 
FM Stage87.5-108 MHz
Sensitivity 
  DIN mono (s/n 26dB 75Ω)0.7µV
  DIN stereo (s/n 46dB 75Ω)20µV
Selectivity adjacent channel 98MHz 
  Wide IF
  Narrow IF		40dB
75dB
Tuner output (1kHz 75kHz Deviation)940mV
Signal to noise ratio 
  S/N DIN weighted mono
  S/N DIN weighted stereo		86dB
78dB
Total harmonic distortion mono
   Wide IF
   Narrow IF
0.05%
0.15%
 Total harmonic distortion stereo
   Wide IF
   Narrow IF
0.08%
0.3%
 Accuracy of frequency response
   across 30Hz-15kHz bandwidth		+0.5/-1.5dB
Stereo separation
   Wide IF
   Narrow IF
55dB
50dB
MW Stage531-1602 kHz
Sensitivity (s/n 20dB 30% mod. 1 MHz)350µV
Selectivity 1MHz 9kHz40dB
Signal to noise ratio at 1MHz54dB

Versions/Power Requirements
N and W/T versions  /  220/240V AC, 50/60 Hz
E version   /  110-120/220-240V AC, 50/60 Hz with voltage selector

See also the US market Marantz ST-50 ST-50U Synthesized Stereo Tuner. Same as the 3 band Marantz ST-50L Synthesized Stereo Tuner which additionally has LW.
Net weight (2.2 lb = 1 kg) 4.5 kg / 9 lb 14.6 oz (9.912 lb)
Mentioned in -- Original prospect or advert (1990 Marantz Not For The Casual Listener catalogue)
Literature/Schematics (1) - - Manufacturers Literature (Service Manual ST-50/ST-50L)

Model page created by Franz Scharner. See "Data change" for further contributors.

All listed radios etc. from Marantz (Sound United LLC); Vista, CA
Here you find 539 models, 529 with images and 84 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.

  
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