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Synthesized Stereo Tuner ST-50 ST-50U

Synthesized Stereo Tuner ST-50 ST-50U; Marantz Sound United (ID = 2544020) Radio Synthesized Stereo Tuner ST-50 ST-50U; Marantz Sound United (ID = 2544021) Radio
Synthesized Stereo Tuner ST-50 ST-50U; Marantz Sound United (ID = 2544022) Radio
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Synthesized Stereo Tuner ST-50 ST-50U; Marantz Sound United (ID = 2544020) Radio
Marantz Sound United: Synthesized Stereo Tuner ST-50 ST-50U [Radio] ID = 2544020 1400x500
Select picture or schematic to display from thumbnails on the right and click for download.
For model Synthesized Stereo Tuner ST-50 ST-50U, Marantz (Sound United LLC); Vista, CA:
Sold on tmraudio.com seller The Music Room Erie USA
 
Country:  United States of America (USA)
Manufacturer / Brand:  Marantz (Sound United LLC); Vista, CA
Year: 1991 ? 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) / 120 Volt
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Synthesized Stereo Tuner ST-50 ST-50U - Marantz Sound United LLC;
Material Metal case
Shape Book-shelf unit.
Dimensions (WHD) 454 x 86 x 334 mm / 17.9 x 3.4 x 13.1 inch
Notes

A hi-fi AM/FM 2 band stereo digital tuner with a digital display covering MW and FM, housed in a champagne gold or black metal case, with D-BUS remote control. Precise quartz synthesizer tuning and a four-gang FM front-end using dual-gate MOS FET. With a Signal Strength indicator, 24 random presets which can be divided between FM and AM bands, Manual and Auto Scan tuning, Frequency Direct Access Tuning with 10 front panel keys for direct entry of station frequency, Wide and Narrow IF settings. On the back, terminals for AM and FM antennae, RCA phono sockets for Line Output and for input/output D-BUS remote control.               

Specification 
FM TUNER SECTION 
Mono Usable Sensitivity 10.8dBf
Sensitivity at 50dB Quieting 
  Mono
  Stereo
16.2dBf
37.0dBf
Alternate Channel Selectivity 
  Wide
  Narrow
35dB
75dB
Capture Ratio 1.0dB
Total Harmonic Distortion at 1kHz 
  Mono Wide/Narrow
  Stereo
0.05/0.2%
0.08/0.4%
Signal-to-Noise Ratio at 1kHz 
  Mono
  Stereo
90dB
82dB
Stereo Channel Separation at 1 kHz55dB
Frequency Response20Hz - 15kHz ±0.5dB
Image Rejection80dB
IF Rejection100dB
Output Level940mV
Output Impedance1.5kΩ
AM TUNER SECTION 
Usable Sensitivity48dB/m
Selectivity30dB
S/N Ratio at 500Hz54dB
THD at 400Hz0.3%
Output Level280mV

Power Requirements: 120V AC 60 Hz
Power Consumption : 10W

See also the Marantz ST-50 Synthesized Stereo Tuner available in markets other than the USA and Canada with model type ST-50 not ST-50U and the similar Marantz ST-50L Synthesized Stereo Tuner which additonally has LW. There is also a much earlier Marantz ST-50 Tuner available only in Japan.

Net weight (2.2 lb = 1 kg) 6.6 kg / 14 lb 8.6 oz (14.537 lb)
Mentioned in -- Original prospect or advert (1990 Sony Not For The Casual Listener catalogue)
Literature/Schematics (1) - - Manufacturers Literature (Service manual ST-50U dated 1991)

Model page created by Howard Craven. 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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