Sherwood RD-7502 Service Manual page 5

Audio/video receiver
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SUBWOOFER SECTION
No.
DESCRIPTION
1
PRE OUTPUT LEVEL
STEREO SECTION
No.
DESCRIPTION
1
INPUT SENSITIVITY
2
CHANNEL BALANCE
3
RESIDUAL NOISE
(INPUT SHORT)
4
TOTAL HARMONIC DISTORTION
5
CONTINUOUS AVERAGE POWER
at 1% THD
6
S/N RATIO, IHF-A FILTER
7
CHANNEL SEPARATION
8
FUNCTION CROSSTALK
(INPUT SHORT)
9
FREQUENCY RESPONSE (-3dB)
TONE CONTROL , ±(10)dB
10
(TONE ON)
11
HEADPHONE OUTPUT(STEREO)
H/P = 64ohms
12
CINEMA EQ(SPK : LLLY)
* SPKR LEVEL : ALL 0dB
* EXT IN INPUT
INPUT
FREQ.
SUB-CH(300mV)
30Hz
* SPKR LEVEL : ALL 0dB
* TONE OFF(TONE DIRECT)
INPUT
FREQ.
CD
1kHz
CD
1kHz
1kHz
CD
1kHz
(40)Hz
CD(300mV)
1kHz
(20)KHz
(40)Hz
CD
1kHz
(20)KHz
1kHz
CD(300mV)
1kHz
100Hz
CD(300mV)
1kHz
10kHz
1kHz
CD
TAPE IN
10kHz
CD(300mV)
100Hz
CD
10kHz
CD(300mV)
1kHz
SUB-CH(300mV)
10kHz
4
* SPK SIZE : LLLLY
* TONE OFF
LIMIT L/R
REMARK
UNIT
VOL max.
V
* SPK SIZE : LLLLY
REMARK
UNIT
LIMIT L/R
mV
R/O TO -40dB
dB
VOL min.
mV
VOL max.
mV
R/O-3dB
(6)ohms
W
W
W
R/O
dB
1W
dB
R/O-3dB
dB
dB
dB
dB
dB
1W
Hz~kHz
1W
dB
dB
R/O
V
1W
dB
-4.5±1.5
NOMINAL
L/R
3.5±1.0
3.5±0.5
NOMINAL
L/R
300±50
300±30
3
2
2.0
1.5
0.12
0.08
0.12
0.08
0.2
0.12
85
90
95
100
85
90
85
90
50
65
55
65
40
50
60
65
40
45
20~50
20~55
±10(±3)
±10(±2)
±10(±3)
±10(±2)
3.0±1.0
3.0±0.5
-4.5±1

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