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Additional Information
Specifications
Audio power specifications
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION
With 8-ohm load, both
channels driven, from 40 -
20,000 Hz, rated 100 watts
(STR-SE581), or 60 watts
(STR-SE381) per channel
minimum RMS power, with
no more than 0.5 % total
harmonic distortion from
250 milliwatts to rated
output.
Amplifier section
10 kHz intervals***
530 - 1710 kHz
9 kHz interval
531 - 1710 kHz
Loop antenna
50 dB/m (at 1,000 kHz)
54 dB (at 50 mV/m)
0.5 % (50 mV/m,
400 kHz)
At 9 kHz: 35 dB
At 10 kHz: 40 dB
Tuner section: PLL
quartz-locked digital
synthesizer system
Preamplifier section:
Low-noise NF type
equalizer
Power amplifier section:
Pure-complementary
SEPP
120 V AC, 60 Hz
STR-SE581: 230 W
STR-SE381: 150 W
2 switched,
total 120W/1A Max
17 x 5
7
/8 x 11
5
/8 inches
(430 x 145 x 295 mm)
STR-SE581:
16 lb 15 oz (7.7 kg)
STR-SE381:
14 lb 5 oz (6.5 kg)
FM wire antenna (1)
AM loop antenna (1)
Remote controller
(remote) (1)
Size AA (R6) batteries
(2)
Stereo mode
Surround mode
5.1/DVD INPUT*
mode
(8 ohms at 40 Hz - 20 kHz
less than 0.5% total
harmonic distortion)
STR-SE581: 100W + 100W
STR-SE381: 60W + 60W
(8 ohms at 1 kHz, THD
0.5 %)
Front:
STR-SE581: 100 W/ch
STR-SE381: 60 W/ch
Center: (Pro Logic Mode)
STR-SE581: 100 W
STR-SE381: 60 W
Rear:
STR-SE581: 50 W/ch
STR-SE381: 60 W
(8 ohms at 1 kHz, THD
0.8%)
Front: 100 W/ch
Center: 100 W
Rear: 50 W/ch
Frequency
response
PHONO: RIAA
equalization curve
±0.5 dB
TV/DBS, CD, TAPE/
MD, VIDEO, 5.1/DVD
INPUT*:
10 Hz - 50 kHz ±1 dB
S/N
(weighting
network,
input level)
74 dB**
(A, 2.5 mV)
82 dB**
(A, 150 mV)
Impedance
50
kilohms
50
kilohms
PHONO
(MM)
CD
TAPE/MD,
TV/DBS,
VIDEO, 5.1/
DVD INPUT*
Sensitivity
2.5 mV
400 mV
250 mV
Inputs
** ‘78 IHF
AM tuner section
*** You can change the AM tuning interval
between 9 kHz and 10 kHz. After tuning
in any AM station, turn off the receiver.
Hold down the PRESET + button and
press the 1/u (power) button. All preset
stations will be erased when you change
the interval. To reset the interval, repeat
the procedure.
FM tuner section
General
Tuning range
Antenna
Usable sensitivity
S/N
Harmonic
distortion
Selectivity
System
Power
requirements
Power
consumption
AC outlets
Dimensions
Mass (Approx.)
Supplied
accessories
Outputs
Muting
BASS BOOST
TONE
Tuning range
Antenna
terminals
Sensitivity
Usable sensitivity
S/N
Harmonic
distortion at
1 kHz
Separation
Frequency
response
Selectivity
TAPE/MD REC OUT:
Voltage: 150 mV,
Impedance: 10 kilohms
VIDEO AUDIO OUT:
Voltage: 150 mV,
Impedance: 10 kilohms
WOOFER (STR-SE581):
Voltage: 2 V,
Impedance: 1 kilohm
PHONES: Accepts low
and high impedance
headphones
Full mute
+10 dB at 70 Hz
±8 dB at 100 Hz and
10 kHz
87.5 - 108.0 MHz
75 ohms, unbalanced
300 ohms, balanced
Mono: 18.3 dBf, 4.5 µV
Stereo: 38.3 dBf, 45 µV
11.2 dBf, 2 µV (IHF)
Mono: 76 dB
Stereo: 70 dB
Mono: 0.3 %
Stereo: 0.59 %
45 dB at 1 kHz
30 Hz - 15 kHz dB
60 dB at 400 kHz
+0. 5
–2
* 5.1/DVD INPUT is for STR-SE581 only.
Design and specifications are subject to
change without notice.