3. The case of your amplifier is designed to act as a noise shield. To maintain
this protection, be sure the metal case of the amp does not touch the metal of the
car. Do not remove or damage the rubber grommets, which provide electrical
insulation and vibration isolation.
WIRING
1. Disconnect the negative ground cable from your vehicle's battery before
making any power connections to your amplifier.
2. Connect the black negative power wires from the amp to a solid frame
member via a bolt or self-tapping screw. This connection must be to a clean,
unpainted surface. Always attach the ground wire first when installing this
amplifier, and disconnect the ground last when removing this amp from the
system.
3. Two fuses of the proper size must be installed in line with the main power in
order to prevent damage to your wiring. They should be connected within 18
inches of the battery on the positive terminal. Use the fuse holders and fuses
provided, and replace only with the same size fuses. The
Model 1752S
©
uses
two
AGC 30
fuses. Do not install fuses until you have completed installing the
amplifier.
WARNING: USE OF OVERSIZE FUSES WILL DAMAGE YOUR AMPLIFIE
R
4. The other end of the fuse holders should be connected to the positive power
wire from the amplifier. To extend the length of the power lead, use two 12 gauge
wires or larger to reduce power loss. A single 8 gauge or larger wire may be
substituted, but don't use smaller wires.
5. The red and white wire acts as an electrical switch to turn the amplifier on and
off. It should be connected to the power antenna lead from the radio. Where no
power antenna lead exists, a source of 12 volts connected through a toggle
switch will do. Do not connect the red and white wire directly to a source that will
leave the amplifier permanently on as this will drain the battery.
6. The RCA (Phono) jacks will accommodate either high or low level signals,
ranging from 200 mV to 5 volts. For low-level signals, always use shielded cable
and avoid routing signal cables in the vicinity of any power wires. The center pin
of the RCA plug is ALWAYS the positive input connection. Since this is a
subwoofer system only, an electronic crossover is necessary to restrict the audio
information available to the
1752S
©
to a
maximum
of 200 Hz. For optimum
results a crossover point of no higher than
100 Hz is recommended
.
7. Ignoring the markings on the speaker connector of the
1752S
©
, the four dual
voice coil woofers will be wired will be wired up as shown below. Observe polarity
© 2008 Linear Power, Inc. - ALL RIGHTS RESERVED
LINEAR POWER™ is a trademark of Linear Power, Inc
.
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