Sony mhc-grx20 User Manual

Inputs

MD IN (phono jacks): voltage 450 mV,

impedance 47 kilohms

Outputs

MD OUT (phono jacks):

voltage 250 mV
impedance 1 kilohm

PHONES (stereo phone jack):

accepts headphones of
8 ohms or more.

SPEAKER:

accepts impedance of 6 to
16 ohms

System

Compact disc and digital
audio system

Laser

Semiconductor laser
(

λ 

= 780 nm)

Emission duration:
continuous

Laser output

Max. 44.6 

µ

W*

* This output is the value
measured at a distance of
200 mm from the
objective lens surface on
the Optical Pick-up Block
with 7 mm aperture.

Frequency response

20 Hz – 20 kHz (±0.5 dB)

Wavelength

780 – 790 nm

DIGITAL OUT (OPTICAL)
(Square optical connector jack, rear panel)
Wavelength

600 nm

Output Level

–18 dBm

Recording system

4-track 2-channel stereo

Frequency response

40 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassette

Wow and flutter

±0.15% W.Peak (IEC)
0.1% W.RMS (NAB)
±0.2% W.Peak (DIN)

POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:

with 6 ohm loads both channels driven, from
70 – 20,000 Hz; rated 50 watts per channel
minimum RMS power, with no more than
0.9% total harmonic distortion from
250 milliwatts to rated output.

Continuous RMS power output

60 watts + 60 watts
(6 ohms at 1 kHz,
10% THD)

DIN power output (Rated)

40 watts + 40 watts
(6 ohms at 1 kHz, DIN)

Continuous RMS power output (Reference)

50 watts + 50 watts
(6 ohms at 1 kHz,
10% THD)

Music power output (Reference)

100 watts + 100 watts
(6 ohms at 1 kHz,
10% THD)

The following measured at AC 110, 220 V 60 Hz;
DIN power output (Rated)

45 watts + 45 watts
(6 ohms at 1 kHz, DIN)

Continuous RMS power output (Reference)

50 watts + 50 watts
(6 ohms at 1 kHz,
10% THD)

The following measured at AC 120, 240 V 60 Hz;
DIN power output (Rated)

50 watts + 50 watts
(6 ohms at 1 kHz, DIN)

Continuous RMS power output (Reference)

60 watts + 60 watts
(6 ohms at 1 kHz,
10% THD)