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Audio Current Transfer FM Stereo/FM-AM Tuner ST-S444ES AEP and UK models

Audio Current Transfer FM Stereo/FM-AM Tuner ST-S444ES; Sony Corporation; (ID = 2591643) Radio Audio Current Transfer FM Stereo/FM-AM Tuner ST-S444ES; Sony Corporation; (ID = 2591644) Radio
Audio Current Transfer FM Stereo/FM-AM Tuner ST-S444ES; Sony Corporation; (ID = 2591645) Radio Audio Current Transfer FM Stereo/FM-AM Tuner ST-S444ES; Sony Corporation; (ID = 2591647) Radio
Audio Current Transfer FM Stereo/FM-AM Tuner ST-S444ES; Sony Corporation; (ID = 1318923) Radio
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Audio Current Transfer FM Stereo/FM-AM Tuner ST-S444ES; Sony Corporation; (ID = 2591643) Radio
Sony Corporation;: Audio Current Transfer FM Stereo/FM-AM Tuner ST-S444ES [Radio] ID = 2591643 1200x450
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For model Audio Current Transfer FM Stereo/FM-AM Tuner ST-S444ES AEP and UK models, Sony Corporation; Tokyo:
ebay uk auction item_184517835491 seller hifiathomeforyou
 
Country:  Japan
Manufacturer / Brand:  Sony Corporation; Tokyo
Year: 1984/1985 Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle PLL, Phase-locked loop; ZF/IF 450/10700 kHz
Wave bands Broadcast (BC) and FM or UHF.
Details Hi-Fi equipment
Power type and voltage Alternating Current supply (AC) / 220; 240 Volt
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Audio Current Transfer FM Stereo/FM-AM Tuner ST-S444ES [AEP and UK models] - Sony Corporation; Tokyo
Material Metal case
Shape Book-shelf unit.
Dimensions (WHD) 430 x 80 x 340 mm / 16.9 x 3.1 x 13.4 inch
Notes

A hi-fi AM/FM stereo quartz lock digital synthesizer tuner with a digital frequency display. Features Direct Comparator Technology and an Audio Current Transfer (ACT) circuit. With Automatic tuning, Manual tuning, Memory preset tuning (8 AM or FM radio stations), the SCAN/READ button which scans through all the preset radio stations playing each one for 10 seconds, a Program Function which automatically tunes in to up to four stations which have been memorized in any sequence which will be received one by one as the power is turned on and off by an optional timer, a Hi-Blend switch, 10 step Signal Strength indicator and a Calibration Tone button which produces a 400Hz, 50% mod. signal for calibrating the recording level on a tape deck. AM and FM antennae terminals and an ACT output connector (a special ACT cable is supplied for connecting the tuner to an amplifier).

Specification 
FM tuner section 
Tuning range87.5MHz-108MHz
Antenna terminals75Ω unbalanced
Sensitivity at 46dB quieting17.3dBf, 2µV (mono), 37.9dBf, 22.5µV (stereo)
Usable sensitivity10.3dBf, 0.9µV (IHF)
0.8µV (S/N = 26dB)
Signal/Noise ratio85dB (mono), 82dB (stereo)
Frequency response40Hz-12.5kHz ±0.2dB
30Hz-15kHz +0.2dB,-0.5dB
Selectivity at 300kHz30dB (WIDE), 57dB (NARROW)
Harmonic distortion at 1kHzMono: 0.03% (WIDE), 0.05% (NARROW)
Stereo: 0.04% (WIDE), 0.06% (NARROW)
IM distortionMono: 0.03% (WIDE), 0.05% (NARROW)
Stereo: 0.04% (WIDE), 0.06% (NARROW)
Separation at 1kHz60dB
Capture ratio1.0dB
AM suppression ratio65dB
Image response ratio120dB
IF response ratio120dB
Spurious response ratio120dB
Muting thresholdApprox 29dBf, 8µV
Auto tuning thresholdApprox 29dBf, 8µV
Output level/impedance
at 75kHz deviation
750mV/620Ω
Calibration tone400Hz, 50% mod
AM tuner section 
Tuning range531-1,602kHz
AntennaLayout-Free AM antenna, External antenna terminal
Usable sensitivity
at 999 or 1,000kHz
Layout-Free AM antenna 300µV/m
External antenna 30µV
Signal/Noise-ratio54dB
Harmonic distortion0.3%
Selectivity35dB
Image response ratio42dB (at 999 or 1,000kHz)
Auto-tuning thresholdApprox. 1mV/m

Versions/Power requirements
AEP model / 220V AC 50/60Hz (or 240V AC internally adjustable)
UK model / 240V AC 50/60Hz (or 220V AC internally adjustable)

Power consumption 18 watts

See also the Sony ST-S444ES US, Canada and E models.

Net weight (2.2 lb = 1 kg) 4.4 kg / 9 lb 11.1 oz (9.692 lb)
Source of data -- Original prospect or advert
Mentioned in -- Original prospect or advert (1984 Sony Audio catalogue)
Literature/Schematics (1) -- Original prospect or advert (1985 Sony HiFi-Systemkomponenten katalog)
Literature/Schematics (2) - - Manufacturers Literature (Service manual Sony ST-S444ES dated 1984)

Model page created by Achim Eisenhuth. See "Data change" for further contributors.



All listed radios etc. from Sony Corporation; Tokyo
Here you find 3542 models, 3398 with images and 753 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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