43
SPECIFICATIONS
As a part of policy of continuous improvement, YAMAHA reserves the right to make design and specification changes for
product improvement without prior notice. The performance specification figures indicated are nominal values of production
units.
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Preamplifier/Tuner (CTX-S90)
Input Sensitivity/Impedance
PHONO MM ....................................................... 2.5 mV/47 k-ohms
AUX .................................................................. 150 mV/25 k-ohms
Headphone Output Impedance.......................................... 68 ohms
Total Harmonic Distortion (20 Hz to 20 kHz)
AUX to LINE OUT ............................................................... 0.007%
Signal-to-Noise Ratio (IHF-A Network)
AUX (Input Shorted) ........................................................... 102 dB
Output voltage ...................................................................... 500 mV
Tone Control Characteristics
BASS: Boost/cut ................................................... ±10 dB (50 Hz)
TREBLE: Boost/cut ............................................. ±10 dB (20 kHz)
Tuning Range
FM
[U.S.A. and Canada models]...................... 87.5 to 107.9 MHz
[Europe and General models] ................... 87.5 to 108.0 MHz
AM (MW)
[U.S.A., Canada and General models] ....... 530 – 1,710 kHz
[Europe model] ............................................ 531 – 1,611 kHz
LW
[Europe model only] ....................................... 153 – 288 kHz
Usable Sensitivity
FM (75 ohms)
(30 dB S/N Quieting, 1 kHz, 100% mod.)
[Except Europe model]................................1.2
µ
V (12.8 dBf)
(DIN, Mono, S/N 26 dB) [Europe model] ........................1.5
µ
V
AM (MW)........................................................................ 280 µV/m
LW ................................................................................. 560 µV/m
Power Supply
[U.S.A. and Canada models] ............................ AC 120V, 60 Hz
[Europe model] ................................................. AC 230V, 50 Hz
[General model] ...................... AC 110/120/220/240V, 60/50 Hz
Power consumption .................................................................. 25W
Dimensions (W x H x D)............................. 280 x 107.5 x 339.5 mm
(11” x 4-1/4” x 13-3/8”)
Weight ................................................................ 3.8 kg (8 lbs. 6 oz.)
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Power amplifier (MX-S90)
Minimum RMS Output Power per Channel
6 ohms, 20 Hz to 20 kHz, 0.04% THD .......................... 70W+70W
6 ohms, 1 kHz, 10% THD
[U.S.A., Canada and General models only] ......... 100W+100W
DIN Standard Output Power per Channel [Europe model only]
4/6 ohms, 1 kHz, 1% THD .................................................. 85/80W
IEC Power [Europe model only]
6 ohms, 1 kHz, 0.1% THD ....................................................... 80W
Total Harmonic Distortion (20 Hz to 20 kHz)
(35W/6 ohms)........................................................................ 0.04%
Signal-to-Noise Ratio (IHF-A Network)................................ 105 dB
Power Supply
[U.S.A. and Canada models] ............................ AC 120V, 60 Hz
[Europe model] ................................................. AC 230V, 50 Hz
[General model] ...................... AC 110/120/220/240V, 60/50 Hz
Power consumption
[U.S.A. and Canada models] ............................................ 150W
[Europe and General models] .......................................... 160W
Dimensions (W x H x D)............................. 280 x 107.5 x 332.4 mm
(11” x 4-1/4” x 13-1/16”)
Weight .............................................................. 5.6 kg (12 lbs. 5 oz.)
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CD player (CDC-S90)
Power Source ........................................ AC supplies from CTX-S90
Type ................................................. 3 DISC Carousel Auto-changer
Signal Readout
........................... Non-contact, 3-beam semi-conductor laser pick-up
D/A Converter ................................................................... 1-bit DAC
Filter ......................................8-time oversampling 18-bit digital filter
Wow and Flutter .........................................Below measurable limits
Dimensions (W x H x D)................................ 280 x 107.5 x 323 mm
(11” x 4-1/4” x 12-11/16”)
Weight ................................................................ 3.8 kg (8 lbs. 6 oz.)
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Tape Deck (KX-S90)
Power Source ........................................ AC supplies from CTX-S90
Type .............................. Auto Reverse 4-Track 2-Channel recording
and playback stereo Cassette Deck
Heads ....................................................... REC/PB : Hard Permalloy
Erase : Double Gap Ferrite
Motor ........................................................................ DC servo motor
Wow and Flutter .................................................
5
0.19%, W.PEAK
0.09%, W.RMS
Fast Winding Time (C-60 Tape) ........................ About 120 seconds
Frequency Response (–20 dB)
........................................................ 30 – 16,000 Hz
5
3 dB (Normal)
30 – 17,000 Hz
5
3 dB (CrO
2
)
30 – 19,000 Hz
5
3 dB (Metal)
Signal-to-Noise Ratio .................................. 58 dB (Dolby NR OFF)
66 dB (Dolby B NR ON)
74 dB (Dolby C NR ON)
Harmonic Distortion .......................................... No more than 1.2%
Channel Separation (Input Shorted 1 kHz)
................................................................................. More than 40 dB
Crosstalk (Input Shorted 125 Hz).......................... More than 55 dB
Dimensions (W x H x D)................................ 280 x 107.5 x 323 mm
(11” x 4-1/4” x 12-11/16”)
Weight .............................................................. 3.5 kg (7 lbs. 11 oz.)
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Speaker (NX-S90)
Type .................................................... Active Servo Processing type
Speakers ...................................................... 16 cm (6-5/16”) woofer
6.5 cm (2-9/16”) tweeter
1.1 cm (7/16”) super tweeter
Frequency Range .................................................... 35 – 30,000 Hz
Sound Pressure Level............................................................. 88 dB
Maximum Power Handling Capacity...................................... 120W
Impedance ............................................................................ 6 ohms
Dimensions (W x H x D)................................... 210 x 430 x 250 mm
(8-1/4” x 16-15/16” x 9-13/16”)
Weight ...................................................... 6.7 kg (14 lbs. 12 oz.) x 2
