Sony STR-DE725 Service Manual page 2

Sampling Frequency
48 kHz
EQ
BASS:
100 Hz ~ 1.0 kHz (21 steps)
MID:
500 Hz ~ 5.0 kHz (21 steps)
TREBLE:
1.0 kHz ~ 10 kHz (21 steps)
Gain levels:
±10 dB, 1 dB step
FM tuner section
Tuning range
87.5 - 108.0 MHz
Antenna terminals
75 ohms, unbalanced
Sensitivity
Mono: 18.3 dBf, 4.5 µV
Stereo: 38.3 dBf, 45 µV
Usable sensitivity
11.2 dBf, 2 µV (IHF)
S/N Mono: 76 dB
Stereo: 70 dB
Harmonic distortion at 1 kHz
Mono: 0.3 %
Stereo: 0.5 %
Separation
45 dB at 1 kHz
Frequency response
30 Hz - 15 kHz +0.5/-2 dB
Selectivity
60 dB at 400 kHz
AM tuner section
Tuning range With 10-kHz tuning scale:
530 - 1710 kHz
With 9-kHz tuning scale:
531 - 1710 kHz
Antenna
Loop antenna
Usable sensitivity
50 dB/m (at 1,000 kHz or 999 kHz)
S/N
54 dB (at 50 mV/m)
d)
d)
Harmonic distortion
0.5% (50 mV/m, 400 kHz)
Selectivity
At 9 kHz: 35 dB
At 10 kHz: 40 dB
d)You can change the AM tuning scale to 9 kHz. After tuning in any AM
station, turn off the receiver. Hold down the TUNING + button and
1/u
press the button. All preset stations will be erased when you
change the tuning scale. To reset the scale to 10 kHz, repeat the
procedure.
Video section
Input
1 Vp-p 75 ohms
Outputs
1 Vp-p 75 ohms
General
System
Tuner section:
Preamplifier section:
Power amplifier section:
Power requirements
Power consumption
290 W
AC outlets
2 switched, total 100 W
430 × 355 × 157.5 mm
Dimensions
(17 × 14 × 6
including projecting parts and controls
Mass (Approx.) 10.5 kg (23 lb 3 oz)
Supplied accessories
• FM wire antenna (1)
• AM loop antenna (1)
• Remote commander RM-PP401 (remote) (1)
• Carbon-ZINC dry batteries (2)
Design and specifications are subject to change without notice.
— 2 —
PLL quartz-locked digital synthesizer system
Low- noise NF type equalizer
Pure-complementary SEPP
120 V AC, 60 Hz
1
/ in.)
4