STR-DE725
US Model
SERVICE MANUAL
MICROFILM
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SPECIFICATIONS
Manufactured under license from Dolby Laboratories Licensing
Corporation.
“DOLBY” the double-D symbol
a
“AC-3” and “PRO LOGIC”
are trademarks of Dolby Laboratories Licensing Corporation.
FM STEREO FM-AM RECORDER
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
With 8 ohm loads, both channels driven, from 20 - 20,000 Hz; rated
100 watts per channel minimum RMS power, with no more than
0.09% total harmonic distortion from 250 milliwatts to rated output .
Amplifier section
POWER OUTPUT
Stereo mode
(8 ohms 20 Hz –20 kHz, THD 0.09%)
100 W + 100 W
Surround mode
(8 ohms at 1 kHz, THD 0.8%)
Front: 100 W/ch
Center
a)
: 100 W
Rear
a)
: 100 W/ch
a) Depending on the sound field settings and the source, there may be no
sound output.
Dynamic power output
155 W + 155 W, 8 ohms
220 W + 220 W, 4 ohms
Harmonic distortion at rated output
Less than 0.09% (with sound field, tone, and bass
booster bypassed)
Frequency response
PHONO: RIAA
equalization curve
±0.5 dB
CD, TAPE, MD/DAT, TAPE/MD, DVD/LD, TV/DBS,
VIDEO 1 and VIDEO 2 :
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
b)
: 75 dB (A, 2.5 mV
c)
)
CD, DVD/LD, TAPE, MD/DAT, TAPE/MD, TV/DBS,
VIDEO 1 and VIDEO 2 :
Sensitivity: 150 mV
Impedance: 50 kilohms
S/N
b)
: 82 dB (A, 150 mV
c)
)
b)78’ IHF
c) Weighted network, input level
Inputs (Digital)
DVD/LD:
Sensitivity: –
Impedance: –
S/N: 100 dB (A, 20 kHz LPF)
Outputs
TAPE/MD, (REC OUT); VIDEO 1, 2
(AUDIO OUT):
Voltage: 150 mV
Impedance: 10 kilohms
WOOFER:
Voltage: 2 V
Impedance: 1 kilohms
PHONES:
Accepts low - and high-impedance headphones
BASS BOOST
+6 dB at 70 Hz
