Sherwood S-9500B Service Manual

M O D E L S . 9 5 O O b A L L - S I L I C O N S O L I D . S T A T E
S T E R E O A M P L I F I E R S E R V I C E M A N U A L
Tone controls for both channels.
A d j u s t m e n t o f t h e B a s s o r T r e b l e
control knob will vary the tone of
b o t h c h a n n e l s s i m u l t a n e o u s l Y .
Serial No's. T704104 TO T704604
Main control for Power on-off and
Loudness of both channel s. Auto-
m a t i c a l l y b o o s t s b a s s a t l o w l e v e l s
( i f s w i t c h b e l o w a t " L o u d n e s s I n " ) .
Controls left-to-right
stereo balance.
Stereo head-
phone jack.
P i l o t L i g h t
Remote Speaker Set On-off Switch. Will
disconnect this speaker set when
depressed right.
Main Speaker Set On-off Switch' Will
disconnect this speaker set when
depressed right.
Selector Switch.
Chooses phono,
t u n e r , o r a u x r l i a r y
i n p u t s .
Preamp Level. Controls
p r e a m p l e v e l o n l y .
Tape Monitor Switch'
Normally set to left.
will connect in tape
monitor jacks on rear
if depressed right,
Hi Filter. Depress
right for l2dbloctave
attenuat ion of un-
desired tones such
as tecond "scratch',,
Loudness Compensetion Switch.
Normally set to left, will remove
circuit which boosts bass at low
settings of Loudness control if
depressed right.
M O D E L S . 9 5 O O b S T E R E O A M P L I F I E R S P E C I F I C A T I O N S
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INPUTS:6 high level (2 tape monitor), 2 (RIAA) Phono-
preamp.
POWER OUTPUT: music power: (4O) 80 watts, (8O)
50 watts; continuous power each channel: (4O) 30
watts, (8Ct) 20 watts at l.D%o distortion.
OUTPUTS: 4 to 16-ohm left and right spkr. main and
remote; mono speaker, stereo headphone and record
output.
INVERSE FEEDBACK: 35db.
DAMPING FACTOR: 30:1 at 8 ohrrs"
FREQUENCYRESPONSE: (20w) 20Hz to 20KHz +1 db.
TONE CONTROL RESPONSE: Flat setting, 20Hz to
z0K.llz 11 db.
TONE CONTROL RANGE: 15KHz, 15db. boost or cut
40Hz 20db. boost or cut.
PREAMP. EQUALIZER CURVES: AES/RIAA phono.
SENSITIVITY: Radio - 0.20v Phono - 1.6mv.
(PH
Input is adjustable with Preamp Level control).
MAX" INPUT CAPABILITY:
Phono: 160mv. for less
than 170 dist.
Radio: 2.8v. for less than LVo dist"
MAX.
HUM and NOISE: Vol. control min. , 90db
(weighted) betow rated output. Tuner input (controls
max"), 80db. (weighted) below rated output. Phono
input (controls flat), 60db. below rated output.
INTERCHANNEL CROSSTALK: Less than -45db" at
1KHz"
POWER CONSUMPTION: 115-125v, 6QHz;10 to L20
watts fused.
TRANSISTOR COMPLEMENT: 22 silicon transistors,
2 silicon rectifiers.
SIZE: 14 x L0-l/2 x 4 in" high.
SHIPPING WEIGHT: 22 lbs"
*All specifications taken with 120V line.