Digital Synthesizer Tuner TU-D99X

Digital Synthesizer Tuner TU-D99X; Sansui Electric Co., (ID = 2609371) Radio Digital Synthesizer Tuner TU-D99X; Sansui Electric Co., (ID = 2609372) Radio
Digital Synthesizer Tuner TU-D99X; Sansui Electric Co., (ID = 2609373) Radio Digital Synthesizer Tuner TU-D99X; Sansui Electric Co., (ID = 2609374) Radio
Digital Synthesizer Tuner TU-D99X; Sansui Electric Co., (ID = 2609376) Radio
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Digital Synthesizer Tuner TU-D99X; Sansui Electric Co., (ID = 2609371) Radio
Sansui Electric Co.,: Digital Synthesizer Tuner TU-D99X [Radio] ID = 2609371 1400x340
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For model Digital Synthesizer Tuner TU-D99X, Sansui Electric Co., Ltd.; Tokyo:
Ebay UK auction item_324306160133 seller aldington-sales-uk
Country:  Japan
Manufacturer / Brand:  Sansui Electric Co., Ltd.; Tokyo
Year: 1986 ? 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 Hi-Fi equipment
Power type and voltage Alternating Current supply (AC) / 120; 220; 240 Volt
Loudspeaker - For headphones or amp.
Power out
from Model: Digital Synthesizer Tuner TU-D99X - Sansui Electric Co., Ltd.;
Material Metal case
Shape Book-shelf unit.
Dimensions (WHD) 430 x 57 x 306 mm / 16.9 x 2.2 x 12 inch

A hi-fi AM/FM stereo digital synthesizer tuner with a digital frequency display housed in a metal case, wooden side panels optional. On the back, a clip-on adjustable AM loop antenna, terminals for AM and FM antennae, RCA phono Line Output sockets and additionally on the multivoltage model, an AM channel switch (9kHz/10kHz steps) and an unswitched AC outlet.


  • Newly-developed SLDD (Super Linear Digital Decoder)
  • "Pulse swallow" quartz synthesizer
  • RF mode (DX/LOCAL) selector
  • IF bandwidth selector (VVIDE/NARROW)
  • Presets for 8 FM and 8 AM stations
  • Preset scan for sampling preset stations for 4 seconds each
  • Auto/manual scan
  • Tri-color LED tuning indicator
  • Battery backup maintains memory contents for at least 5 years
  • Last station memory
  • Built-in record level calibrator
  • FM noise canceller
  • AM IF bandwidth selector
  • Optional wood side panels (XW-9)
FM Section 88 to 108MHz
Usable sensitivity Mono IHF 10.8dBf (1.9µV), DIN 0.95µV
50dB quieting sensitivity Mono 16.2dBf, Stereo 37.7dBf
S/N ratio at 85dBf Mono 90dB, Stereo 85dB
Distortion at 65dBf Mono < 0.015% at 1kHz, Stereo < 0.02% at 1kHz
Alt. channel selectivity NARROW 60dB (at 400kHz)
Capture ratio 1.0dB
Image response ratio 100dB
Spurious response ratio 100dB
Stereo separation 60dB at 1kHz
Frequency response Stereo 20 to 15,000Hz +0.2dB,-0.5dB
Antenna input impedance 300Ω balanced, 75Ω unbalanced
AM Section 530 to 1,600kHz
Usable sensitivity 50dB/m (316µV/m)
S/N ratio 50dB
Image response ratio 45dB at 1,000kHz
Output voltage/impedance 775mV/2.2kΩ

Versions/ Power requirements
USA and Canada  /  120V AC 60Hz
Europe  /  220/240V AC with voltage selector
General Export  /  120/220/240V AC 50/60Hz

Power consumption: 13 watts

Dimensions with side panels fitted (WHD): 466 x 57 x 306mm, Weight: 4.0kg

Net weight (2.2 lb = 1 kg) 3.5 kg / 7 lb 11.3 oz (7.709 lb)
Mentioned in -- Original prospect or advert (1986 Sansui Hi-Fi Video Car Hi-Fi catalogue)
Literature/Schematics (1) - - Manufacturers Literature (Service manual Sansui TU-D99X)

Model page created by Howard Craven. See "Data change" for further contributors.

All listed radios etc. from Sansui Electric Co., Ltd.; Tokyo
Here you find 394 models, 381 with images and 119 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.