Sherwood RD-7103 User Manual

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AMPLIFIER SECTION
Power output, stereo mode, 6 Ω, THD 0.2%, 40 Hz~20 kHz .................................................................................... 2 x 100
Total harmonic distortion, 6 Ω, 95 W, 1 kHz ................................................................................................................ 0.09 %
Intermodulation distortion
60 Hz : 7 kHz= 4 : 1 SMPTE, 6 Ω, 95 W  ....................................................................................................................... 0.1 %
Input sensitivity, 47 kΩ
Line (CD, TAPE, VIDEO)  .......................................................................................................................................... 200 mV
Signal to noise ratio, IHF “A” weighted
Line (CD, TAPE, VIDEO)  ............................................................................................................................................. 92 dB
Frequency response
Line (CD, TAPE, VIDEO), 20 Hz~50 kHz ........................................................................................................ +0 dB, -3 dB
Output level
TAPE REC, 2.2 kΩ ..................................................................................................................................................... 200 mV
PRE OUT(Front, Center, Rear, Subwoofer), 1 kΩ .......................................................................................................... 1.0 V
Bass/Treble control, 100 Hz/10 kHz ...........................................................................................................................
±10 dB
Surround mode, only channel driven
Front power output, 6 Ω, 1 kHz, THD 0.7 %  .................................................................................................. 125 W / 125 W
Center power output, 6 Ω, 1 kHz, THD 0.7 %  .............................................................................................................. 125 W
Rear power output, 6 Ω, 1 kHz, THD 0.7 %  ................................................................................................... 125 W / 125 W
DIGITAL AUDIO SECTION
Sampling frequency  ....................................................................................................................................... 32, 44.1, 48 kHz
Digital input level 
Coaxial, 75 Ω ........................................................................................................................................................... 0.5 Vp-p
Optical, 660 nm ................................................................................................................................................. -15~-21 dBm
FM TUNER SECTION
Tuning frequency range .................................................................................................................................... 87.5~108 MHz
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  ................................................................................................................................................. 42 dB
Capture ratio ...................................................................................................................................................................... 4 dB
IF rejection ratio .............................................................................................................................................................. 80 dB
AM TUNER SECTION
Tuning frequency range  .................................................................................................................................... 520~1710 kHz
Usable sensitivity ...................................................................................................................................................... 500 
μV/m
Signal to noise ratio, 80 dB/m ......................................................................................................................................... 40 dB
Selectivity ........................................................................................................................................................................ 25 dB
GENERAL
Power supply  ................................................................................................................................................ AC 120 V, 60 Hz
Power consumption ........................................................................................................................................................ 200 W
Switched AC outlet  ......................................................................................................................... TOTAL 1 A, 100 W max.
Dimensions (W
×H×D) ............................................................................ 440×141×330 mm(17-3/8×5-1/2×13 inches)
Weight (Net) .................................................................................................................................................... 9.6 kg(21.2 lbs)
Note: Design and specifications are subject to change without notice for improvements.
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