Sherwood R-871 manual Specifications, Amplifier Section

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Specifications

■AMPLIFIER SECTION
• Power output, stereo mode, 8 Ω, THD 0.08 %, 20 Hz~20 kHz		............. 2×100 W
• Total harmonic distortion, 8 Ω, 95 W, 1 kHz		................................... 0.05%
• Intermodulation distortion
60 Hz : 7 kHz= 4 : 1 SMPTE, 8 Ω, 95 W		............................. 0.1%
• Input sensitivity/impedance
Line (CD, TAPE, VIDEO)		200 mV/47kΩ
• Signal to noise ratio, IHF "A" weighted
Line (CD, TAPE, VIDEO)		96 dB
• Frequency response
Line (CD, TAPE, VIDEO), 20 Hz~100 kHz		0, -3 dB
• Output level
TAPE OUT, 2.2 kΩ		.................................... 200 mV
PRE OUT (Front, Center, Surround, Surround back, Subwoofer), 1 kΩ		.............................................................. ........ 1.0 V
• Bass/Treble control, 100 Hz/10 kHz		±10 dB
• Surround mode, only channel driven
Front power output, 8 Ω, 1 kHz, THD 0.08 %		............ 115W / 115W
Center power output, 8 Ω, 1 kHz, THD 0.08 %		........................ 115W
Surround power output, 8 Ω, 1 kHz, THD 0.08 %		......... 115W / 115W
Surround back / ROOM 2 power output, 8 Ω, 1 kHz, THD 0.08 %		115W / 115W
■DIGITAL AUDIO SECTION		32, 44.1, 48, 96 kHz
• Sampling frequency
• Digital input level
Coaxial, 75Ω		...................................... 0.5 Vp-p
Optical, 660 nm		-15~-21 dBm
■VIDEO SECTION		NTSC
• Video format
• Input sensitivity(=Output level), 75 Ω
Video (Composite(normal))		1 Vp-p
S-Video (luminance signal)		1 Vp-p
(chrominance signal)		0.286 Vp-p
Component video (R-Y signal)		0.5 Vp-p
(B-Y signal)		0.5 Vp-p
(Y signal)		1.0 Vp-p
• HDMI connector		19 pin
■FM TUNER SECTION		87.5~108 MHz
• Tuning frequency range
• Usable sensitivity, THD 3%, S/N 30 dB		12.8 dBf
• 50 dB quieting sensitivity, mono/stereo		20.2 / 45.3 dBf
• Signal to noise ratio, 65 dBf, mono/stereo		70 / 65 dB
• Total harmonic distortion, 65 dBf,1 kHz, mono/stereo		0.5 / 0.8 %
• Frequency response, 30 Hz~15 kHz		±3 dB
• Stereo separation, 1 kHz		32 dB
• Capture ratio		4.0 dB
• IF rejection ratio		60 dB
■AM TUNER SECTION		520~1710 kHz
• Tuning frequency range
• Usable sensitivity		500 µV/m
• Signal to noise ratio		40 dB
• Selectivity		25 dB
■GENERAL		120 V ~ 60 Hz
• Power supply
• Power consumption		6 A
• Switched AC outlets		TOTAL 120 W (1 A) max.
• Dimensions (W×H×D, including protruding parts)	440×171×421 mm(17-3/8×6-3/4×16-1/2 inches)
• Weight (Net)		15.5 kg (34.1 Ibs)

Note: Design and specifications are subject to change without notice for improvements.

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