Sherwood R-863 manual Specifications, Amplifier Section

Specifications

AMPLIFIER SECTION

Power output, stereo mode, 8 Ω, THD 0.05%, 20 Hz~20 kHz	2 100 W
Total harmonic distortion, 8 Ω, 100 W, 1 kHz	0.05 %
Intermodulation distortion
60 Hz : 7 kHz = 4 : 1 SMPTE, 8 Ω, 100 W	0.09 %
Input sensitivity/impedance
Line (CD, TAPE, VIDEO)	200 mV/47 kΩ
Signal to noise ratio, IHF “A” weighted
Line (CD, TAPE, VIDEO)	98 dB
Frequency response
LINE (CD, TAPE, VIDEO), 10~100,000 Hz	+0, -3 dB
Output level
TAPE REC, 1 kΩ	180 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 0.7 %	110 W+110 W
Center power output, 8 Ω, 1 kHz, THD 0.7 %	110 W
Surround power output, 8 Ω, 1 kHz, THD 0.7 %	110 W+110 W
Surround back power output, 8 Ω, 1 kHz, THD 0.7 %	110 W+110 W

DIGITAL AUDIO SECTION

Sampling frequency	32, 44.1, 48, 96, 192 kHz
Digital input level
Coaxial, 75 Ω	0.5 Vp-p
Optical, 660 nm	-15~-21 dBm

VIDEO SECTION

Video format	NTSC
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

FM TUNER SECTION

Tuning frequency range	87.5~108 MHz
Usable sensitivity, THD 3 %, S/N 30 dB	17.2 dBf
50 dB quieting sensitivity, mono/stereo	25.2/43.2 dBf
Signal to noise ratio, 65 dBf, mono/stereo	72/68 dB
Total harmonic distortion, 65 dBf, 1 kHz, mono/stereo	0.2/0.3 %
Frequency response, 20 Hz~15 kHz	1.5 dB
Stereo separation, 1 kHz	45 dB
Capture ratio	3.0 dB
IF rejection ratio	120 dB

AM TUNER SECTION

Tuning frequency range	520~1710 kHz
Usable sensitivity	12.5 mV
Signal to noise ratio	51dB
Selectivity	30 dB

GENERAL

Power supply	AC 120 V, 60 Hz
Power consumption	3.8 A
Switched AC outlets	TOTAL 1A, 100 W max.
Dimensions(W H D)	440 166 380 mm(17-3/8 6-1/2 15 inches)
Weight(Net)	17 kg(37.5 lbs)
Note: Design and specifications are subject to change without notice for improvements.

ENGLISH

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