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Ground zero GZTA 4.24VDC Manual

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7
WIRING INSTRUCTIONS
o POWER CONNECTION
The battery terminal (BATT) must be connected directly to the positive terminal of the
vehicle battery to provide an adequate voltage source and minimize noise. Connecting the
battery terminal lead to any other point (such as the fuse block) will reduce the power
output and may cause noise and distortion. Use only #12 gauge or thicker wire for this lead
and connect it to the terminal of the battery after all other wiring is completed.
o GROUND CONNECTION
The ground terminal (GND) connection is also critical to the correct operation of the
amplifier. Use a wire of the same gauge as the power connection (#12 or thicker) and
connect it between the ground terminal (GND) of the amplifier and a metal part of the
vehicle close to the mounting location. This wire should be as short as possible and any
paint or rust at the grounding point should be scraped away to provide a clean metal
surface to which the end of the ground wire can be screwed or bolted.
o REMOTE TURN-ON CONNECTION
The amplifier is turned on by applying + 24V to the remote turn-on terminal (REM). The
wire lead to this terminal should be connected to the “Auto-Antenna” lead from the car
stereo which will provide the +12V - +24V only when the car stereo is turned on.
o SPEAKER CONNECTION
Wire the speakers depending on their type and number with the amplifier as shown below.
For most operation possibilities a 1,5 – 2,5mm² cable is necessary.
8
STEREOWIRING DIAGRAM
SPEAKER CONNECTIONS
Note that the two speakers & four speakers have been connected to the four terminals following the (+)
and (-) graphic. Your speaker terminals may be marked (+) and (-) or there may be a red dot by one
terminal which means the same as (+).
Connecting the speakers in this manner ensures that the two speaker cones will move in and out together
according to the original recording. If one of the two speakers is reversed, stereo imaging and bass
response will be degraded.
… 11 …


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