Yamaha GX-70 Owner's Manual download pdf (Page 70)

E-58

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.

■ Amplifier section

Minimum RMS Output Power per Channel

Front L, R

6 ohms, 1 kHz, 1% THD ............................................. 65W+65W

6 ohms, 1 kHz, 10% THD

[U.S.A., Canada, China, Singapore

and General models only] ...................................... 75W+75W

Center

6 ohms, 1 kHz, 1% THD ....................................................... 20W

Rear

6 ohms, 1 kHz, 1% THD ....................................................... 20W

DIN Standard Output Power per Channel [Europe model only]

6 ohms, 1 kHz, 1% THD .......................................................... 65W

IEC Power [Europe model only]

6 ohms, 1 kHz, 0.1% THD ....................................................... 50W

Input Sensitivity/Impedance

MD/AUX ............................................................ 300 mV/23 k-ohms

Mic Input Sensitivity/Impedance

MIC ................................................................... 0.5 mV/4.7 k-ohms

Headphone Output Impedance.......................................... 68 ohms

Total Harmonic Distortion (1 kHz)

MD/AUX to SP OUT (32.5W/6 ohms)................................... 0.08%

Signal-to-Noise Ratio (IHF-A Network)

MD/AUX (Input Shorted)

[U.S.A., Canada, Europe and U.K. models] ..................... 85 dB

[Australia, China, Singapore and General models]

............................................................................................. 75 dB

Graphic Equalizer Characteristics

(100 Hz, 350 Hz, 1 kHz, 3.5 kHz, 10 kHz) ........................... ±10 dB

■ Video section

Video Signal Level .................................................. 1 Vp-p/75 ohms

Maximum Input Level ............................................ 1.5 Vp-p or more

Signal-to-Noise Ratio ................................................ 50 dB or more

Monitor Out Frequency Response ..............5 Hz to 10 MHz, –3 dB

■ Tuner section

Tuning Range

[U.S.A. and Canada models] ........................... 87.5 to 107.9 MHz

[U.K., Europe, Australia, China, Singapore

and General models]........................................ 87.5 to 108.0 MHz

AM (MW)

[

U.S.A., Canada and General models]

............................................................................ 530 – 1,710 kHz

[

U.K., Europe, Australia, China and Singapore models]

............................................................................ 531 – 1,611 kHz

[

U.K. and Europe models only] ........................... 153 – 288 kHz

Usable Sensitivity

FM (75 ohms)

(30 dB S/N Quieting, 1 kHz, 100% mod.)

[

U.S.A., Canada, China, Singapore and General models]

..........................................................................1.5 µV (14.8 dBf)

(DIN, Mono, S/N 26 dB)

[

U.K., Europe and Australia models] .............................1.8 µV

AM (MW) .......................................................................... 280 µV/m

LW [U.K. and Europe models only]............................... 560 µV/m

■ CD player section

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 digital filter

Wow and Flutter .........................................Below measurable limits

■ Tape deck section

Type ............................. Auto Reverse stereo double Cassette Deck

Deck 1: Playback only

Deck 2: Playback/Recording

Heads ................................................ PB, REC/PB : Hard Permalloy

Erase : Double Gap Ferrite

Motors ................................................................ DC servo motor x 2

Wow and Flutter ................................................. 50.19%, W.PEAK

0.09%, W.RMS

Fast Winding Time (C-60 Tape) ........................ About 110 seconds

Frequency Response (–20 dB)

Type l (Normal)........................................... 30 – 15,000 Hz 53 dB

Type ll (High).............................................. 30 – 16,000 Hz 53 dB

Signal-to-Noise Ratio .................................. 58 dB (Dolby NR OFF)

66 dB (Dolby B NR ON)

Harmonic Distortion .......................................... No more than 0.8%

Channel Separation (Input Shorted 1 kHz)

................................................................................. More than 40 dB

Crosstalk (Input Shorted 125 Hz).......................... More than 55 dB

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Yamaha GX-70 Owner's Manual Page 70

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