46
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.
■ Receiver (RX-S70)
Minimum RMS Output Power per Channel
6 ohms, 20 Hz to 20 kHz, 0.04% THD .......................... 50W+50W
6 ohms, 1 kHz, 10% THD
[U.S.A., Canada and General models only] ............. 75W+75W
DIN Standard Output Power per Channel [Europe model only]
4/6 ohms, 1 kHz, 1% THD .................................................. 65/60W
IEC Power [Europe model only]
6 ohms, 1 kHz, 0.1% THD ....................................................... 60W
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 SP OUT (25W/6 ohms) ............................................ 0.04%
Signal-to-Noise Ratio (IHF-A Network)
AUX (Input Shorted) ........................................................... 102 dB
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
[Australia, U.K., Europe and General models]
...................................................................... 87.5 to 108.0 MHz
AM (MW)
[U.S.A., Canada and General models] ....... 530 – 1,710 kHz
[Australia, U.K. and Europe models] ......... 531 – 1,611 kHz
LW
[U.K. and Europe models only] ..................... 153 – 288 kHz
Usable Sensitivity
FM (75 ohms)
(30 dB S/N Quieting, 1 kHz, 100% mod.)
[Except Europe model]................................1.2 µV (12.8 dBf)
(DIN, Mono, S/N 26 dB) [Europe model] ........................1.5 µV
AM (MW)........................................................................ 280 µV/m
LW ................................................................................. 560 µV/m
Power Supply
[U.S.A. and Canada models] ............................ AC 120V, 60 Hz
[Australia and U.K. models] ............................. AC 240V, 50 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] ............................................ 140W
[Australia, U.K., Europe and General models] ............... 150W
Dimensions (W x H x D)............................. 280 x 107.5 x 339.5 mm
(11” x 4-1/4” x 13-3/8”)
Weight .............................................................. 6.0 kg (13 lbs. 3 oz.)
■ CD player (CDC-S90)
Power Source ................................... AC supplies from receiver unit
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.)
■ Tape Deck (KXW-S70)
Power Source ................................... AC supplies from receiver unit
Type ............... Auto Reverse 4-Track 2-Channel playback/recording
and playback stereo double Cassette Deck
Heads ................................................ PB, REC/PB : Hard Permalloy
Erase : Double Gap Ferrite
Motors ................................................................ DC servo motor x 2
Wow and Flutter ................................................. ע0.19%, W.PEAK
0.09%, W.RMS
Fast Winding Time (C-60 Tape) ........................ About 120 seconds
Frequency Response (–20 dB)
........................................................ 30 – 15,000 Hz ע3 dB (Normal)
30 – 16,000 Hz ע3 dB (CrO
2
)
30 – 18,000 Hz ע3 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 117.5 x 326 mm
(11” x 4-5/8” x 12-13/16”)
Weight ................................................................ 4.2 kg (9 lbs. 4 oz.)
■ Tape Deck (KX-S90)
Power Source ................................... AC supplies from receiver unit
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 ................................................. ע0.19%, W.PEAK
0.09%, W.RMS
Fast Winding Time (C-60 Tape) ........................ About 120 seconds
Frequency Response (–20 dB)
........................................................ 30 – 16,000 Hz ע3 dB (Normal)
30 – 17,000 Hz ע3 dB (CrO
2
)
30 – 19,000 Hz ע3 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.)
■ Speaker (NX-S70)
Type .................................................... Active Servo Processing type
Speakers ........................................................ 13 cm (5-1/8”) woofer
5 cm (2”) tweeter
Frequency Range .................................................... 40 – 20,000 Hz
Sound Pressure Level............................................................. 89 dB
Maximum Power Handling Capacity........................................ 75W
Impedance ............................................................................ 6 ohms
Dimensions (W x H x D)................................... 180 x 360 x 210 mm
(7-1/16” x 14-3/16” x 8-1/4”)
Weight ........................................................ 4.5 kg (9 lbs. 14 oz.) x 2
