Specifications, Help guide – Sony STR-DH750 User Manual
Page 157
MULTI CHANNEL AV RECEIVER
STR-DH750/STR-DH550
Specifications
POWER OUTPUT AND TOTAL HARMONIC DISTORTION: (USA model only)
With 6 ohm loads, both channels driven, from 20 – 20,000 Hz; rated 90 watts per channel minimum RMS
power, with no more than 0.09% total harmonic distortion from 250 milliwatts to rated output.
Amplifier section
Minimum RMS Output Power (*1): 90 W + 90 W (6 ohms, 20 Hz – 20 kHz, THD 0.09%)
Stereo Mode Output Power (*1): 105 W + 105 W (6 ohms, 1 kHz, THD 1%)
Surround Mode Output Power (*1)(*2): 145 W per channel (6 ohms, 1 kHz, THD 0.9%)
*1
Measured under the following conditions (Area: Power requirements):
USA and Canadian models: 120 V AC, 60 Hz
European and Australian model: 230 V AC, 50 Hz
*2
Reference power output for front, center, surround, surround back (for STR-DH750 only) and front high (for STR-
DH750 only) 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
S/N (*3): 105 dB (A, 500 mV (*4))
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:
150