50
Specifications (continued)
Tape player section
Recording system 4-track 2-channel stereo
Frequency response 40 – 13,000 Hz (±3 dB),
(DOLBY NR OFF) using Sony TYPE I
cassette
40 – 14,000 Hz (±3 dB),
using Sony TYPE II
cassette
Wow and flutter ±0.15% W.Peak (IEC)
0.1% W.RMS (NAB)
±0.2% W.Peak (DIN)
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range 87.5 – 108.0 MHz
Antenna FM lead antenna
Antenna terminals 75 ohm unbalanced
Intermediate frequency 10.7 MHz
UKV tuner section
(3 band (FM-AM-UKV) models only)
Tuning range 65.0 – 74.0 MHz
Stereo Plus
Inputs
MD IN: voltage 450 mV,
(phono jacks) impedance 47 kilohms
VIDEO (AUDIO) IN: voltage 250 mV,
(phono jacks) impedance 47 kilohms
MIX MIC: (phone jack) sensitivity 1 mV,
impedance 10 kilohms
Outputs
MD OUT: voltage 250 mV
(phono jacks) impedance 1 kilohms
PHONES: accepts headphones of
(stereo mini jack) 8 ohms or more
SPEAKER:
MHC-GRX9900/GRX70/GRX70J/RXD7 (Canadian
model): accepts impedance of 6 to
16 ohms
MHC-RXD9/RXD7 (European model)/RXD80/
R770/GRX50: accepts impedance of 8 to
16 ohms
SURROUND SPEAKER: accepts impedance of 16
(MHC-GRX70/GRX70J ohms
only)
SUPER WOOFER: Voltage 1 V, impedance
(except MHC-R770/ 1 kilohm
RXD7 (European model)/
RXD9 (European model))
CD player section
System Compact disc and digital
audio system
Laser Semiconductor laser
(λ=780nm)
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.
Wavelength 780 – 790 nm
Frequency response 2 Hz – 20 kHz (±0.5 dB)
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength 660 nm
Output Level –18 dBm
