Sherwood RD-7502 Service Manual page 4

Audio/video receiver
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SURROUND AMP SECTION
No.
DESCRIPTION
1
INPUT SENSITIVITY
2
TOTAL HARMONIC DISTORTION
(STEREO IN)
3
CONTINUOUS AVERAGE POWER
at 1% THD (STEREO IN)
4
S/N RATIO, INPUT SHORT
IHF-A FILTER
5
FREQUENCY RESPONSE (-3dB)
SURROUND BACK AMP SECTION
No.
DESCRIPTION
1
INPUT SENSITIVITY
2
TOTAL HARMONIC DISTORTION
(STEREO IN)
3
CONTINUOUS AVERAGE POWER
at 1% THD (STEREO IN)
4
S/N RATIO, INPUT SHORT
IHF-A FILTER
5
FREQUENCY RESPONSE (-3dB)
* SPKR LEVEL : ALL 0dB
* EXT IN INPUT
INPUT
FREQ.
EXT IN INPUT
1kHz
EXT IN INPUT
40Hz
1kHz
20KHz
EXT IN INPUT
40Hz
1kHz
20KHz
EXT IN INPUT
1KHz
EXT IN INPUT
* SPKR LEVEL : ALL 0dB
* EXT IN INPUT
INPUT
FREQ.
EXT IN INPUT
1kHz
EXT IN INPUT
40Hz
1kHz
20KHz
EXT IN INPUT
40Hz
1kHz
20KHz
EXT IN INPUT
1KHz
EXT IN INPUT
3
* SPK SIZE : LLLLY
* TONE OFF
LIMIT L/R
REMARK
UNIT
R/O
mV
300±50
R/O-3dB
R/O-3dB
R/O-3dB
(6)ohms
W
W
W
R/O
dB
1W/1KHz Ref.
Hz~kHz
20~50
* SPK SIZE : LLLLY
* TONE OFF
LIMIT L/R
REMARK
UNIT
R/O
mV
300±50
R/O-3dB
R/O-3dB
R/O-3dB
(6)ohms
W
W
W
R/O
dB
1W/1KHz Ref.
Hz~kHz
20~50
NOMINAL
L/R
300±30
0.12
0.08
0.12
0.08
0.3
0.2
85
90
95
100
85
90
85
90
20~55
NOMINAL
L/R
300±30
0.12
0.08
0.12
0.08
0.3
0.2
85
90
95
100
85
90
85
90
20~55

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