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Sony STR-VX4 Service Manual page 2

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REC OUT i, 2
Voltage 150 mV, Impedance 4.7 k ohms
Any low and high impedance
HEADPHONES
headphones are recommended.
SPEAKER
A, B
Any speakers of 8 - 160hms
are recommended.
Frequency response
PHONO:
RIAA equalization curve +0.5 dB
AUX, TAPE 1,2:
5Hz-90kHz
+9dB
BASS:
+8dB at 100 Hz
TREBLE:
=+8dB at 10 kHz
Loudness control (att. 30 dB)
+8qdB at 50Hz,
+2dB
at 10 kHz
12 dBloctave attenuation below 15 Hz
Tone controls
Subsonic filter
FM tuner section
Tuning
range
Antenna terminals
87.5 - 108 MHz
300 ohms, balanced
75 ohms, unbalanced
Intermediate frequency
10.7 MHz
Sensitivity at 50 dB quieting
17.3 dBf,
4uV (mono)
36.8 dBf, 38zV (stereo)
Usable sensitivity
11.2 dBf, IHF 2uV
Signal-to-noise ratio
83 dB (mono), 78 dB (stereo)
Harmonic distortion
0.08% (mono), 0.2% (stereo) at 100 Hz
0.08% (mono), 0.15% (stereo) at 1 kHz
0.1% (mono), 0.2%
(stereo) at 6 KHz
40 dB at 100 Hz
45 dB at 1 kHz
40 dB at 6 kHz
Separation
Frequency response
30 Hz - 15 kHz +2 dB
Alternate channel selectivity
80 dB (400 kHz)
Capture ratio
1.0dB
AM suppression ratio
54dB
Image response ratio
85dB
IF response ratio
100 dB
Spurious response ratio
95dB
RF intermodulation
65dB
Sub-carrier product ratio
45dB
Muting threshold
Approx. 20 dBf, 5.5uV
Auto tuning level
LOW:
20dBf
MID:
40 dBf
HIGH:
60 dBf
AWM tuner section
Tuning range
Antenna
530 KHz - 1,610 kHz (522 kHz - 1,602 kHz)
Ferrite-bar antenna
:
External antenna terminal
Intermediate frequency
450 kHz
Usable sensitivity
300,V/m, ferrite-bar antenna
100 nV, external antenna
at 1,000 kHz
Signal-to-noise ratio
54dB at 50 mV/m
Harmonic distortion
0.5% at 50 mV/m, 400 Hz
H
i
Selectivity
40 dB at 10 kHz
General
System
Tuner section:
PLL quartz-locked digital
synthesizer system
Equalizer amp section:
{C op-amp, NF type
Tone amp section:
NF type
Power amp section:
Pure-complementary
DC amp
Power requirements
US, Canadian model:
120 V ac, 60 Hz
E model:
110, 120, 220, 240 V ac
50/60 Hz
Power consumption
USA model:
110W
Canadian model:
180W
AC outlets
1 switched 80 W, 1 unswitched 300 W
Dimensions
Approx. 430 105x375 mm (wi/h/d)
(17 x 44/4 x 147s inches)
including projecting parts and controls
Weight
Approx. 7.6 kg (16 |b 13 oz) net
Approx. 8.6 kg (19 1b) in shipping carton
MODEL IDENTIFICATION
SONY.
woven STRVX4
FM STEREO
/FM—AM_
RECEIVER
FREQUENCY RANGE:
FM87.5—lO8MHz
AM530 —|610kHz
SERIAL
NO.
MADE
iN JAPAN
US model:
AC 120V'
GOHz
110W
Canadian model:
AC 120V
60Hz
180W
E model:
AC:
110, 120, 220, 240
V~50/60Hz
180W

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