Sony STR-DB940, STR-DB840 Specifications

Information Additional

Specifications

AUDIO POWER

SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC DISTORTION:

With 8 ohm loads, both channels driven, from 20 - 20,000 Hz; rated 110 watts (STR-DB940) and 100 watts

(STR-DB840) per channel minimum RMS power, with no more than 0.09 % total harmonic distortion from 250 milliwatts to rated output (USA model only).

Amplifier section

POWER OUTPUT

Models of area code U, CA

Rated Power Output at Stereo Mode

(8 ohms 20 Hz – 20 kHz, THD 0.09 %)

STR-DB940:	110 W + 110 W
STR-DB840:	100 W + 100 W

(4 ohms 20 Hz – 20 kHz, THD 0.09 %)

STR-DB940:	100 W + 100 W
STR-DB840:	90 W + 90 W

Reference Power Output

(8 ohms 20 Hz – 20 kHz, THD 0.09 %)

STR-DB940: FRONT1):

110 W + 110 W

CENTER1): 110 W REAR1):

110 W + 110 W

STR-DB840: FRONT1):

100 W + 100 W

CENTER1): 100 W REAR1):

100 W + 100 W

(4 ohms 20 Hz – 20 kHz, THD 0.09 %)

STR-DB940: FRONT:1)

100 W + 100 W

CENTER1): 100 W REAR1):

100 W + 100 W

STR-DB840: FRONT1):

90 W + 90 W CENTER1): 90 W REAR1):

90 W + 90 W

Models of other area code

Rated Power Output at Stereo Mode

(8 ohms 1 kHz, THD 0.7 %)

STR-DB940:	110 W + 110 W2)
	100 W + 100 W3)
STR-DB840:	100 W + 100 W
(4 ohms 1 kHz, THD 0.7 %)
STR-DB940:	100 W + 100 W2)
	90 W + 90 W3)
STR-DB840:	90 W + 90 W

Reference Power Output2)

(8 ohms 1 kHz, THD 0.7 %)

STR-DB940: FRONT1):

110 W + 110 W

CENTER1): 110 W REAR1):

110 W + 110 W

STR-DB840: FRONT1):

100 W + 100 W

CENTER1): 100 W REAR1):

100 W + 100 W

(4 ohms 1 kHz, THD 0.7 %) STR-DB940/DB840:

FRONT1):

100 W + 100 W

CENTER1): 100 W REAR1):

100 W + 100 W

(8 ohms 20 Hz – 20 kHz, THD 0.09 %)

STR-DB940: FRONT1):

100 W + 100 W

CENTER1): 100 W REAR1):

100 W + 100 W

STR-DB840: FRONT1):

90 W + 90 W CENTER1): 90 W REAR1):

90 W + 90 W

(4 ohms 20 Hz – 20 kHz, THD 0.09 %) STR-DB940/DB840:

FRONT1):

90 W + 90 W CENTER1): 90 W REAR1):

90 W + 90 W

1)Depending on the sound field settings and the source, there may be no sound output.

2)Measured under the following conditions:

Area code	Power requirements
AU	240 V AC, 50 Hz
CN, SP, CED	230 V AC, 50 Hz

3) Measured under the following conditions:

Area code	Power requirements
CN	220 V AC, 50 Hz