Pioneer SA-9800 Manuel d'utilisation - Page 14
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USING
PRE OUT AND
POWER
AMP
IN JACKS
As explained below, you can use the preamplifier
and power amplifier of the SA-9800 separately if
you
disconnect
the preamplifier/power amplifier
connector
bar from
the jacks. When
using the
SA-9800
as an intergrated
amplifier, keep these
connector
bars in place since once
you remove
them, no sound will be heard through the speakers.
Always set the power switch to OFF when remov-
ing or replacing these connector bars.
INDEPENDENT
PREAMPLIFIER SECTION
(Fig. 15)
You
can
connect
a high output
power
stereo
amplifier or a home-built power amplifier to the
PRE OUT jacks and compare the sound with the
power amplifier section of the stereo amplifier.
INDEPENDENT
POWER
AMPLIFIER
SECTION
(Fig. 16)
You can connect a stereo preamplifier which you
may
have
to
the
POWER
AMP
IN jacks
and
compare your own stereo system.
COMPOSING A MULTI-AMPLIFIER SYSTEM
(Fig. 17)
You can compose your own multi-amplifier system
if you connect an optional stereo power amplifier
and crossover
network,
A multi-amplifier system
splits up the audible frequency range into different
frequency
bands.
Each
of these
bands
is then
amplified
by the amplifiers and so this has the
advantage of reducing intermodulation distortion.
Connector bar ~
Fig. 14
Fig. 15
Fig. 16
Power amplifier
(ae
Fs)
;
a
ty {
I 4 Tweeter
@
bid Woofer
|
L
ee | Tweeter
.
q Woofer
Crossover network
2-way multi-amplifier system.
Fig. 17
14