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I
I
CONTROL FUNCTIONS
7.
Subsonic - This control can filter out unwanted low frequency from lOHz (OFF) to
55Hz.
This
function should only be used with vented
enclosures.
8.
Low Pass X-Over Frequency Control
-
Use this to select the desired low-pass (LP) x-over
frequency. The frequency is adjustable from 50Hz to 250Hz.
9. Speaker
Terminals(+
/
-
) - Connect speakers to these terminals. Observe speaker polarity
throughout the
system.
Improper phase can result in loss of bass response and/or poor overall
sound
quality.
10.
Power Terminal(+ 12V) - This is the main power input for the amplifier and must be connected
directly to the positive terminal of the vehicles battery for proper operation. Use caution when
installing (+12) power cable in the
vehicle.
Avoid running this cable parallel with RCA
cables,
antennas, or other sensitive equipment due to massive currents that can induce noise into the
audio
system.
It is also very important to have a tight, secure connection for maximum
performance.
MTX recommends using 10mm 2 power wire with the MTX TN250-1 D
amplifier.
11
.
Remote Terminal - The amplifier can be turned on by applying 12 volts to this terminal. Typically
this voltage is supplied by a wire from the source unit marked "remote" or "power
antenna".
12. Ground Terminal
-
A proper ground is required for your amplifier to operate at peak performance.
A short ground cable the same diameter as the power cable must be used to attach the ground
terminal directly to the chassis of the
vehicle.
Always remove paint, dirt or debris to expose bare
metal where the ground will be
attached.
6
MTX COM
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