Sony STU-531 User Manual

Specifications |
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 8-ohm loads, both channels driven,
from 40 - 20,000 Hz; rated 135 watts per
channel minimum RMS power, with less
than 0.9% total harmonic distortion from
250 milliwatts to rated output.
Power bandwidth (IHF) 30 Hz —- 30 kHz (8 ohms)
Dynamic headroom 1.7 dB (‘78 IHF)
Harmonic distorfion Less than 0.9% at rated output
(Surround OFF)
Frequency response PHONO: RIAA equalization curve
CD, VIDEO, TUNER, TAPE:
10 Hz — 50 kHz +3dB
Rear output 15 W + 15 W (at front off 8 ohms)
Center output 30 W (at front off 4 ohms)
Damping factor 27 (8 ohms, 1 kHz)
Input
Input jack aa es Impedance S/N (weighting
network, ee levet
7108
75 dB*
(A, 3.0 mV)
92 dB
83 dB*
(A, 250 mv)
Voltage 150 mV
Phono jacks
impedance 1 kilohm ~
Accepts speakers of 8 - 16
ohms
Accepts speakers of 4- 16
ohms
Stereg phone —_| Accepts low and high
jack impedance headphones.
GRAPHIC EQUALIZER controls
Boost/Cut range: +8 dB (100 Hz,
330 Hz, 1 kHz, 3.3 kHz)
£6 dB (10 kHz)
Dimensions ‘Approx. 430 x 145 x 360 mm
(wih/d)
(17x 5%, x 14 '/, inches)
(including projecting parts and
controls)
Weight Approx..9.9 kg (21 Ib 14 oz)
HEADPHONES
System ~ FM stereo, FM/AM superheterodyne ~
tuner
Quartz-locked digital synthesizer
system
FM tuner section
Tuning range 87.5 - 108 MHz
Antenna terminals 75 ohms unbalanced
300 ohms balanced
Intermediate frequency
10.7 MHz
Sensitivity (at 50 dB quieting ) =
22.1 dBf, 7 pV (mono),
42.1 dBf, 70 pV (stereo)
Usable sensitivity 19.5 dBf, 5 pV (IHF)
Signal-to-noise ratio (at 75 kHz deviation)
80 dB (mono), 75 dB acters) at 1 KHz
Separation 35 dB at 1 kHz 8
Selectivity 55 dB at 400 kHz
Harmonic distortion 0.3% (mdno), 0.5% (stereo) at 1 kHz
AM tuner section
Tuning range 530 - 1,710 kHz
Antenna AM loop antenna, External antenna
terminal
Intermediate frequency 450 kHz
Usable sensitivity AM loop arta 500 pV/m
(1,000 KHz) —
Signal-to-noise ratio 54dB .
Harmonic distortion 0.5%
Selectivity 38 dB (10 kHz)
Dimensions Approx. 430 x 80 x 295 mm (w/h/d)
(17 x 31/, x 11, inches)
(iagluding projecting parts and
controls),
Weight Approx. 2.1 kg (4 Ib 11 oz) net
General
Power requirements : 120 V AC, 60 Hz
Power consumption ~ 250W
AC outlets - 2 switched, 120 W/1 A max.
Accessories supplied AM loop antenna (1)
FM wire antenna (1)
- SYSTEM CONTROL cord (1)
’ Remote Commander
RM-U521 (1)
. Sony batteries SUM-3(NS) (2)
Design and specifications are subject to eee without
notice. : : ;
15

Sony STU-531 Specifications

General

Brand	Sony
Model	STU-531
Category	Amplifier
Language	English