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]

AM......................................................................(MW)

87.5 to 108.0 MHz

 

 

 

[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 V (12.8 dBf)

(DIN, Mono, S/N 26 dB) [Europe model]

........................

1.5 V

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

Weight ............................................................

(11” x 6-7/8” x 13-3/8”)

 

5.3 kg (11 lbs. 11 oz.)

Tape Deck (KXW-S70)

Power Source

...................................

AC supplies from receiver unit
Type ...............

Auto Reverse 4-Track 2-Channel playback/recording

Heads ................................................

and playback stereo double Cassette Deck

 

PB, REC/PB : Hard Permalloy

Motors ................................................................

Erase : Double Gap Ferrite

 

DC servo motor x 2

Wow and Flutter .................................................

50.19%, W.PEAK
Fast Winding Time (C-60 Tape)0.09%, W.RMS
About 120 seconds
Frequency Response (–20 dB)30 – 15,000 Hz 53 dB (Normal)

........................................................

 

 

30 – 16,000 Hz 53 dB (CrO2)
Signal-to-Noise Ratio30 – 18,000 Hz 53 dB (Metal)
58 dB (Dolby NR OFF)

 

 

66 dB (Dolby B NR ON)
Harmonic Distortion74 dB (Dolby C NR ON)
No more than 1.2%
Channel Separation (Input Shorted 1 kHz)

Crosstalk.................................................................................(Input Shorted 125 Hz)

More than 40 dB
More than 55 dB

Dimensions (W x H x D)................................

280 x 117.5 x 326 mm

Weight ................................................................

(11” x 4-5/8” x 12-13/16”)

 

4.2 kg (9 lbs. 4 oz.)
Speaker (NX-S50)

Type ....................................................

Active Servo Processing type

Speakers ........................................................

13 cm (5-1/8”) woofer

Frequency Range ....................................................

5 cm (2”) tweeter
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

Weight ..........................................................

(6-11/16” x 13-1/16” x 8-3/4”)

3.3 kg (7 lbs. 4 oz.) x 2
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

Weight ..............................................................

(11” x 6-7/8” x 12-11/16”)
3.0 kg (6 lbs. 10 oz.)

E-44