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

Stereo mode (8 ohms at 40 Hz - 20 kHz less than 0.5% total harmonic distortion)

STR-SE581: 100W + 100W

STR-SE381: 60W + 60W

Surround mode (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

5.1/DVD INPUT* (8 ohms at 1 kHz, THD

mode0.8%)

Front: 100 W/ch

Center: 100 W

Rear: 50 W/ch

Frequency

PHONO: RIAA

response

equalization curve

 

±0.5 dB

 

 

 

TV/DBS, CD, TAPE/

 

MD, VIDEO, 5.1/DVD

 

INPUT*:

 

 

 

10 Hz - 50 kHz ±1 dB

Inputs

 

 

 

 

 

 

 

 

 

Sensitivity Impedance

S/N

 

 

 

(weighting

 

 

 

network,

 

 

 

input level)

PHONO

2.5 mV

50

74 dB**

(MM)kilohms (A, 2.5 mV)

CD

400 mV

 

 

 

 

 

 

 

TAPE/MD,

50

82 dB**

TV/DBS,

250 mV kilohms (A, 150 mV)

VIDEO, 5.1/

 

 

 

 

DVD INPUT*

 

 

 

 

 

 

 

 

 

 

** ‘78 IHF

Outputs

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

 

 

Muting

Full mute

 

 

BASS BOOST

+10 dB at 70 Hz

 

 

TONE

±8 dB at 100 Hz and

 

10 kHz

 

 

FM tuner section

 

 

Tuning range

87.5 - 108.0 MHz

 

 

Antenna

75 ohms, unbalanced

terminals

300 ohms, balanced

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

Mono: 0.3 %

 

 

distortion at

Stereo: 0.59 %

 

 

1 kHz

 

 

 

 

Separation

45 dB at 1 kHz

 

 

Frequency

30 Hz - 15 kHz–2+0. 5dB

response

 

 

 

 

Selectivity

60 dB at 400 kHz

 

 

AM tuner section

Tuning range 10 kHz intervals*** 530 - 1710 kHz

9 kHz interval

531 - 1710 kHz

Antenna

Loop antenna

Usable sensitivity 50 dB/m (at 1,000 kHz)

S/N

54 dB (at 50 mV/m)

Harmonic

0.5 % (50 mV/m,

distortion

400 kHz)

Selectivity

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 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.

General

System

Tuner section: PLL

 

quartz-locked digital

 

synthesizer system

 

Preamplifier section:

 

Low-noise NF type

 

equalizer

 

Power amplifier section:

 

Pure-complementary

 

SEPP

Power

120 V AC, 60 Hz

requirements

 

Power

STR-SE581: 230 W

consumption

STR-SE381: 150 W

AC outlets

2 switched,

 

total 120W/1A Max

Dimensions

17 x 5 7/8 x 11 5/8 inches

 

(430 x 145 x 295 mm)

Mass (Approx.)

STR-SE581:

 

16 lb 15 oz (7.7 kg)

 

STR-SE381:

 

14 lb 5 oz (6.5 kg)

Supplied

FM wire antenna (1)

accessories

AM loop antenna (1)

 

Remote controller

 

(remote) (1)

 

Size AA (R6) batteries

 

(2)

* 5.1/DVD INPUT is for STR-SE581 only.

Design and specifications are subject to change without notice.

18