E-44
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-S50)
Minimum RMS Output Power per Channel
6 ohms, 50 Hz to 20 kHz, 0.08% THD .......................... 35W+35W
6 ohms, 1 kHz, 10% THD
[U.K. and General models only] ............................... 50W+50W
DIN Standard Output Power per Channel [Europe model only]
6 ohms, 1 kHz, 1% THD .......................................................... 40W
IEC Power [Europe model only]
6 ohms, 1 kHz, 0.1% THD ....................................................... 35W
Input Sensitivity/Impedance
PHONO MM ....................................................... 2.5 mV/47 k-ohms
AUX .................................................................. 300 mV/20 k-ohms
Headphone Output Impedance.......................................... 68 ohms
Total Harmonic Distortion (20 Hz to 20 kHz)
AUX to SP OUT (17.5W/6 ohms) ......................................... 0.08%
Tone Control Characteristics
BASS: Boost/cut ................................................... ±10 dB (50 Hz)
TREBLE: Boost/cut ............................................. ±10 dB (20 kHz)
Tuning Range
FM
[Australia, Europe, U.K. and General models]
...................................................................... 87.5 to 108.0 MHz
AM (MW)
[General model] ........................................... 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
[Australia and U.K. models] ............................. AC 240V, 50 Hz
[Europe model] ................................................. AC 230V, 50 Hz
[General model] ...................... AC 110/120/220/240V, 50/60 Hz
Power consumption
[Australia, Europe, U.K. and General models] ............... 120W
Dimensions (W x H x D)............................. 280 x 107.5 x 339.5 mm
(11” x 6-7/8” x 13-3/8”)
Weight ............................................................ 5.3 kg (11 lbs. 11 oz.)
■ CD player (CDX-S50)
Power Source ................................... AC supplies from receiver unit
Type ................................................................. Compact Disc Player
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 322.5 mm
(11” x 6-7/8” x 12-11/16”)
Weight .............................................................. 3.0 kg (6 lbs. 10 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.)
■ Speaker (NX-S50)
Type .................................................... Active Servo Processing type
Speakers ........................................................ 13 cm (5-1/8”) woofer
5 cm (2”) tweeter
Frequency Range .................................................... 50 – 20,000 Hz
Sound Pressure Level.......................................................... 88.5 dB
Maximum Power Handling Capacity........................................ 50W
Impedance ............................................................................ 6 ohms
Dimensions (W x H x D)................................ 170 x 332.5 x 222 mm
(6-11/16” x 13-1/16” x 8-3/4”)
Weight .......................................................... 3.3 kg (7 lbs. 4 oz.) x 2
