Sony str-de925 User Manual
50
Additional Information
Specifications
AUDIO POWER
SPECIFICATIONS
SPECIFICATIONS
POWER OUTPUT AND
TOTAL HARMONIC
DISTORTION:
With 8 ohm loads, both
channels driven, from 20 -
20,000 Hz; rated 110 watts
(STR-DE925) and 100 watts
(STR-DE825) per channel
minimum RMS power,
with no more than 0.09%
total harmonic distortion
from 250 milliwatts to
rated output (USA model
only).
TOTAL HARMONIC
DISTORTION:
With 8 ohm loads, both
channels driven, from 20 -
20,000 Hz; rated 110 watts
(STR-DE925) and 100 watts
(STR-DE825) per channel
minimum RMS power,
with no more than 0.09%
total harmonic distortion
from 250 milliwatts to
rated output (USA model
only).
Amplifier section
POWER OUTPUT
Stereo mode (8 ohms 20 Hz - 20 kHz,
Stereo mode (8 ohms 20 Hz - 20 kHz,
THD 0.09%)
STR-DE925:
110 W + 110 W
STR-DE825:
100 W + 100 W
Surround mode
(8 ohms at 1 kHz, THD
0.8%)
STR-DE925:
Front: 110 W/ch
Center
Center
a)
: 110W
Rear
a)
: 110 W/ch
STR-DE825:
Front: 100 W/ch
Center
Center
a)
: 100W
Rear
a)
: 100 W/ch
a) Depending on the sound field settings and
the source, there may be no sound output.
Dynamic power output
STR-DE925:
STR-DE925:
165 W + 165 W, 8 ohms
230 W + 230 W, 4 ohms
230 W + 230 W, 4 ohms
STR-DE825:
155 W + 155 W, 8 ohms
220 W + 220 W, 4 ohms
220 W + 220 W, 4 ohms
Harmonic distortion at rated output
Less than 0.09% (with
sound field, tone,
and bass booster
bypassed)
and bass booster
bypassed)
Frequency response
PHONO: RIAA
equalization curve
±0.5 dB
±0.5 dB
CD, TAPE, MD/DAT,
TAPE/MD, DVD/
LD, TV/DBS,
VIDEO 1, 2, and
VIDEO 3 (STR-
DE925 only):
10 Hz - 50 kHz +0.5/
–2 dB (with sound
field, tone, and bass
booster bypassed)
LD, TV/DBS,
VIDEO 1, 2, and
VIDEO 3 (STR-
DE925 only):
10 Hz - 50 kHz +0.5/
–2 dB (with sound
field, tone, and bass
booster bypassed)
Inputs (Analog)
PHONO:
Sensitivity: 2.5 mV
Impedance: 50
kilohms
S/N
Impedance: 50
kilohms
S/N
b)
: 75 dB (A, 2.5
mV
c)
)
CD, DVD/LD, TAPE,
MD/DAT, TAPE/
MD, TV/DBS,
VIDEO 1, 2, and
VIDEO 3 (STR-
DE925 only):
Sensitivity: 150 mV
Impedance: 50
kilohms
S/N
MD, TV/DBS,
VIDEO 1, 2, and
VIDEO 3 (STR-
DE925 only):
Sensitivity: 150 mV
Impedance: 50
kilohms
S/N
b)
: 82 dB (A, 150
mV
c)
)
b) 78’ IHF
c) Weighted network, input level
c) Weighted network, input level
Inputs (Digital)
DVD/LD (coaxial):
Sensitivity: –
Impedance: 75 ohms
S/N: 100 dB (A, 20
kHz LPF)
Impedance: 75 ohms
S/N: 100 dB (A, 20
kHz LPF)
DVD/LD, TV/DBS,
MD/DAT (Optical):
Sensitivity: –
Impedance: –
S/N: 100 dB (A, 20
kHz LPF)
Sensitivity: –
Impedance: –
S/N: 100 dB (A, 20
kHz LPF)
Outputs
TAPE, MD/DAT
TAPE/MD, (REC
OUT); VIDEO 1, 2
(AUDIO OUT):
Voltage: 150 mV,
Impedance: 10
kilohms
OUT); VIDEO 1, 2
(AUDIO OUT):
Voltage: 150 mV,
Impedance: 10
kilohms
WOOFER:
Voltage: 2 V
Impedance: 1
kilohms
Impedance: 1
kilohms
PHONES:
Accepts low- and
high-impedance
headphones
high-impedance
headphones
BASS BOOST
+6 dB at 70 Hz
Sampling Frequency
48 kHz
EQ
BASS:
100 Hz~1.0kHz (21
steps)
steps)
MID:
500 Hz~5.0kHz (21
steps)
steps)
TREBLE:
1.0 kHz~10kHz (21
steps)
steps)
Gain levels:
±10 dB, 1 dB step