Specifications - Pioneer SX-750 Service Manual

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1 . S P E C I F I C A T I O N S
Semiconductors
F E T
l C s
T r a n s i s t o r s . . . . .
D i o d e s . . . . . . . .
Amplifier Section
Continuous Power Output from 20 Hertz to 20,000 Hertz
(Both channels driven) . . 50 watts per channel (8 ohms)
60 watts per channel (4 ohms)
Total Harmonic Distortion
(20 Hertz to 20,000 Hertz, from AUX)
Continuous Rated Power Output . . . No more than O.1o/o
25 watts per channel power
o u t p u t , 8 o h m s . . N o m o r e t h a n 0 . 0 5 %
1 watt per channel Power
o u t p u t , 8 o h m s
. . . N o m o r e t h a n 0 . 0 5 %
lntermodulation Distortion
( 5 0 H e r t z : 7 , 0 0 0 H e r t z = 4 : 1 , f r o m A U X )
Continuous Rated Power Output . . No more than 0.1%
25 watts per channel power
o u t p u t , 8 o h m s . . . N o m o r e t h a n 0 . 0 5 %
1 w a t t p e r c h a n n e l p o w e r
o u t p u t , 8 o h m s . . . . . . . .
D a m p i n g F a c t o r
(20 Hertz to 20,000 Hertz) . .
Input (Sensitivity/ lm pedance )
P H O N O .
. .
2 . 5 m V / 5 0 k o h m s
l \ 4 1 C . . . . . . . 5 m V / 5 0 k o h m s
A U X . . .
. . 1 5 0 m V / 5 0 k o h m s
T A P E P L A Y 1 . . . . . . 1 5 0 m V / 5 0 k o h m s
T A P E P L A Y 2 . . . . . . 1 5 0 m V / 5 0 k o h m s
T A P E P L A Y 2 ( D l N c o n n e c t o r ) . . . l 5 0 m V / 5 0 k o h m s
PHoNo overload t"""' tt n o
.o.
t."':l
. .
200mV (1kHz)
O u t p u t ( L e v e l / l m p e d a n c e )
T A P E R E C I . . . . . . . . . . . . .
T A P E R E C 2 . . . . . .
. . . . . . . . . 1 5 0 m V
T A P E R E C 2 ( D l N c o n n e c t o r ) . . . . .
3 0 m V / 8 0 k o h m s
S P E A K E R
. . . . . . .
A , B , A + B
H E A D P H O N E S .
. . . . . . . L o w l m p e d a n c e
Frequency Response
P H O N O ( R I A A e q u a l i z a t i o n )
. . . . . . 3 0 H e r t z t o 1 5 , 0 0 0 H e r t z ! O . 2 d B
AUX, TAPE PLAY
l0 Hertz to 50,000 Herrz
.-? dB
I
7
4 2
. . . . . 4 0
Tone Control
B A S S . . . . .
T R E B L E . . .
. . + 8 d B , 7 d B ( 1 0 0 H z )
. . + 9 d 8 , 7 d B ( 1 0 k H z )
F i l t e r
H | G H . . .
. . . 6 k H z ( 6 d B / o c t . )
Loudness Contour (Volume control set
a t 4 0 d B p o s i t i o n ) . . . . + 6 d B ( 1 0 0 H z ) , + 3 d B ( 1 0 k H z )
H u m a n d N o i s e
(lH F, short-circuited, A Network, rated power)
P H O N O .
. . . 7 0 d B
A U X , T A P E P L A Y . . . . . . . . . . . . . 9 O d B
F M S e c t i o n
usable sensiriviry l\4oNo . . . . . . . . . 10.7d8f (1.99v)
S T E R E O . . . . . . . . 1 9 . 0 d B f ( 9 . 8 s V )
5 0 d B Q u i e t i n g S e n 5 i t i v i t y
i \ 4 O N o . . . . . . . . . 1 7 . 2 d B f ( 4 . 0 p V )
S T E R E O . . . . . . . . 3 9 . 2 d B f ( 5 0 g V )
S i g n a l t o N o i s e R a t i o a t 6 5 d B f
M O N O . .
. . . . . 7 2 d 8
S T E R E O . . . . . 6 7 d 8
D i s t o r t i o n a t 6 5 d B f l 0 0 H z . . . M O N O . . . . . . . .
O . 1 5 y .
S T E R E O . . . . . . . O . 3 y o
l k H z . . . . M O N O . . . . . . . . O . 1 5 Y o
S T E R E O . . . . . . . O . 3 v .
6 k H z . . . . l v l O N O . . . . . . . .
O A %
S T E R E O _ . . . . . . 0 A %
F r e q u e n c y R e s p o n s e . . - . . . . 3 0 H z t o 1 5 , O O 0 H z + - 8 : E d B
C a p t u r e
R a t i o
. . . . . . . . . 1 . 0 d 8
A l t e r n a t e C h a n n e l s e l e c t i v i t y
. . . . . . . . 8 0 d B
S p u r i o u s R e s p o n s e R a t i o . . .
. . . . . . . 9 0 d 8
l m a g e R e s p o n s e R a t i o . . . . . . . . . . . . 8 0 d B
l F R e s p o n s e R a t i o . . . . . . 1 0 0 d 8
A l V l S u p p r e s s i o n R a t i o . . . . . . . . . . . .
5 5 d 8
l\4 uting Threshold
ladBf (2.8t/V)
Stereo Separation
. . 40dB (l kHz), 30dB (30H2
- l 5 k H z )
S u b c a r r i e r P r o d u c t R a t i o
. . . . . . . . . .
6 2 d B
S C A R e j e c t i o n R a t i o . . . . . . . . . . . . . 6 2 d B
A n t e n n a l n p u t . 3 0 0 o h m s b a l a n c e d
7 5 o h m s u n b a l a n c e d
1 5 0 m V
5