Sony STR-DH550 Guide De Référence page 5

Specifications
Amplifier section
Minimum RMS Output Power
(6 ohms, 20 Hz – 20 kHz, THD 0.09%)
90 W + 90 W
Stereo Mode Output Power
(6 ohms, 1 kHz, THD 1%)
105 W + 105 W
Surround Mode Output Power
(6 ohms, 1 kHz, THD 0.9%)
145 W per channel
1)
Measured under the following conditions:
Power requirements: 230 V AC, 50 Hz
2)
Reference power output for front, center and
surround speakers. Depending on the sound
field settings and the source, there may be no
sound output.
Frequency response
Analog
10 Hz – 100 kHz, +0.5/–2 dB (with
sound field and equalizer bypassed)
Input
Analog
Sensitivity: 500 mV/50 kilohms
3)
S/N : 105 dB (A, 500 mV
Digital (Coaxial)
Impedance: 75 ohms
S/N: 100 dB (A, 20 kHz LPF)
Digital (Optical)
S/N: 100 dB (A, 20 kHz LPF)
Output (Analog)
SUBWOOFER
Voltage: 2 V/1 kilohm
Equalizer
Gain levels
±10 dB, 1 dB step
3)
INPUT SHORT (with sound field and equalizer
bypassed).
4)
Weighted network, input level.
1)
1)
1)2)
4)
)
FM tuner section
Tuning range
87.5 MHz – 108.0 MHz
Antenna (aerial)
FM wire antenna (aerial)
Antenna (aerial) terminals
75 ohms, unbalanced
AM tuner section
Tuning range
531 kHz – 1,602 kHz (9 kHz step)
Antenna (aerial)
Loop antenna (aerial)
Video section
Inputs/Outputs
Video:
1 Vp-p, 75 ohms
5
GB