Specifications, Audio power specifications (usa only), Amplifier section – Sony STR-DE425 User Manual

Page 18: Fm tuner section, Am tuner section, Video section {str-de425 only), General, Additional information

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Additional Information

Specifications

Audio power specifications

(USA only)

POWER OUTPUT AND TOTAL
HARMONIC DISTORTION

With 8-ohm load, both
channels driven, from 20 -

20,000 Hz, rated 100 watts
(STR-DE425/DE325) per
channel minimum RMS
power, with no more than
0.09 % total harmonic
distortion from 250
milliwatts to rated output.

Amplifier section

stereo mode
(Australia only)

(8 ohms at 20 Hz - 20 kHz

loss than 0.09% total
harmonic distortion)

lOOW + lOOW (STR-DE425)

SOW + SOW (STR-DE325)

Surround mode

(8 ohms at 1 kHz, THD

0.8 %)

US model:

Australia model;

5.1/DVD INPUT*
mode

Front;

STR-DE425: 100 W/ch
STR-DE325: 100%V7ch

Center; (Pro Logic Mode)

STR-DE425: 100 W
STR-DE325: 100 W

Rear:

STR-DE425: 50 W/ch
STR-DE325: 100 W

Front:

STR-DE425; 100 W/ch
STR-DE325; 80 W/ch

Center: (Pro Logic Mode)

STR-DE425: 100 W
STR-DE325: SOW

Rear:

5TR-DE425: 50 W/ch
STR-DE325: 80 W

(8 ohms at 1 kHz, THD

0.8"o)

Front:

100 W/ch

Center: , lOOW

Rear:

50 W/ch

Dynamic power
output
(For US only)

Frequency
response

Inputs

8 ohn\s:

SriCDF425:

DO W + 150 W

STR--Di;325:

145 W + 145 W

4 ifhms:

STR DE425:

200 W 200 W

STR-DE325:

190 W + 190 W

TV/DBS, CD, TAPE/

MD, VIDEO, 5.1/DVD
INPUT^
10 Hz-50 kH/±ldB

TAPE/MD,

150 mV

TV/

DBS, VIDEO

Outputs

Muting

BASS BOOST

TONE

78 IHF

TAPE/MD REC OUT:

Voltage: 150 mV,
Impedance: 10 kilohms

VIDEO AUDIO OUT:

Voltage: 150 mV,
Impedance: 10 kilohms

WOOFER/MIX AUDIO
OUT:

Voltage: 2 V
Impedance: 10 kilohms

PHONES: Accepts low

and high impedance
headphones

Full mute

-t-lOdBat 70 Hz

±8 dB at 100 Hz and

10 kHz

FM tuner section

Tuning range

87.5 - 108.0 MHz

Antenna terminals

75 ohms, unbalanced

Sensitivity

Mono: 18-3 dBf, 4.5 ¡

í

\’

Frequency
response

Selectivity

30 Н/ - D kHz dR

Ы1 dB at 400 кН/

AM tuner section

Tuning range

Sensitivity Impedance S/N

(weighting

network,

___________________________ input level)

CD,

200 mV

5.1/DVD
INPUT*

50

82 dB

kilohms 82 dB**

(A, 150 mV)

Antenna

US MODEL;

10 kHz inter\ aC*'

530 - 1710 kHz

9 kHz interv al

531 -1710 kHz

AUSTRALIAN MODEL:

531 - 1602 kHz
( 9 kHz interval )

Loop antenna

Usable sensitivity

50 dB/m (at 1,000 kHz or

999 kHz)

S/N

Harmonic
distortion

Selectivity

54 dB (at 30 m\’ / r

0.5 "u (50 m\’.' m,

400 Hz )

At 9 kHz: .35 dB
At 10 kHz: 40 dB

*** You can change the AM tuning interval

between 9 kHz and 10 kHz. .After tuning
in an\' AM station, turn off the receiver.
Hold down the PRESET -f button and
press the l/Ci) (power) button. All preset
stations will be erased when vou change
the interval. To reset the interval, repeat
the procedure-

video section {STR-DE425 only)

Inputs

VIDEO, 4 \-/DBS, 5.1/
D\'D iXPLT^:

1 5'p’P " ohms

VIDEO;

1 5'p-p 75 ohms

MONITOR:

1 ^’p-p 75 ohms

Outputs

General

System

Tuner'.ection: PLL

quartz-locked digital
svnthesizer svstem

Preamplifier section;

Low-noise NE tvpe
ee]ualizer

Power amplifier section:

Pure-complementarv

SEPP

Power

US:

Usable sensitivity

lL2dBf, 2 ifV (IHF)

requirements

120 AC. hO Hz

S/N

Mono: 76 dB

Stereo: 70 dB

AUSTRALIA:

240 V AC, 50 Hz

Harmonic
distortion at 1 kHz

Motue 0.3".,

Stt'reo: 0.5

Power
consumption

US,
STR-DH425
SrR-DH321^

230W

lAI

Separation

45 dii at 1 kHz

Л LSTRALIA:

STR-DL425

: :5ow

STR-Df-;7=;

: ISOW

18

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