Read JBL GTS 100X User Guide / Operation Manual online
03
Thanks
for purchasing your new
GT series automotive amplifier.
The GT series amplifier you have
chosen includes many unique
features to enhance its perfor-
mance and utility. The power
amplifier circuitry is a fully dis-
crete design notable for low
distortion and unusually clean
and clear reproduction quality.
Your GT series amplifier will
easily connect to virtually any
car audio system, whether it is
factory installed or purchased
separately.
In addition to conventional pre-
amp-level inputs, this model fea-
tures JBL’s Universal Interface
design, which facilitates simple
connection to factory radios with
the low distortion that is usually
only associated with preamp-
level connection. With Universal
Interface, a factory radio can be
used either as the main music
source or combined with a CD
changer which includes volume
control capability, simulta-
neously connected directly to
the amplifier.
By providing this two-unit direct
connection, Universal Interface
circuitry eliminates the need for
an FM modulator to connect a
CD player to factory radios,
improving the fidelity of digital
playback.
Also, when using a high-powered
(BTL) radio through the
speaker-level inputs, Common
Sense turn-on circuitry senses
the common-mode voltage pre-
sent on the radio’s speaker wires
and turns the amplifier on with-
out an additional “remote” wire.
When the speaker-level inputs
are used exclusively, the
preamp-level inputs may be
converted to preamp-level
outputs to drive additional
amplifiers or signal processors.
In addition, the built-in active
crossover provides either high-
pass or low-pass operation. This
lets your GT series amplifier
power either subwoofer or main
speakers in a bi-amplified
system, without the expense of
an additional crossover.
Introduction
GTS100x OM 7/16/98 2:56 PM Page 3
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