Remote Level Control - JL Audio T2-500.1 Owner's Manual

500w monoblock subwoofer amplifier
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"PreamP outPuts"
The T2-500.1 incorporates a preamp output
section, designed to make multiple amplifier
systems easy to set up. This section consists
of a pair of RCA-type jacks marked
"Preamp Outputs".
Preamp
Amplifier
Outputs
Inputs
Remote
Level
LEFT
LEFT
Port
Made in China
RIGHT
RIGHT
The Preamp outputs deliver the same signal that
is being fed to the inputs. (If the input signal are
full-range, the preamp outputs will be full-range).
This signal is not affected by the bass boost or LP
FIlter processing selected for the amplifier.
"bass boost" Control
The T2-500.1 includes a single band, boost-
only bass equalizer controlled by a rotary knob
marked "Bass Boost". This control has a boost
range of 0dB (full-counterclockwise) to +12dB
(full-clockwise) and is centered at 45 Hz.
max
40
130
O
+12dB
Sens.
LP Filter Frequency (Hz)
Bass Boost
8

remote leVel Control

The T2-500.1 includes a remote level control
that can be mounted in the front of the vehicle.
This control allows the owner to adjust the overall
subwoofer level to taste. To connect the remote
bass control knob, insert its plug into the jack
labeled "Remote Level Port" on the amplifier
and route the cable and control to the desired
location in the front of the vehicle.
FUSES
15A
15A
15A
15A
Power
Reversed | Normal
Remote
Level
Output Polarity
min
max
Port
Input Sens.
LP Filter Frequency (Hz)
Care should be taken to securely mount this
control in a manner that does not interfere with
vehicle operation.
When setting the amplifier's input sensitivity,
the Remote Level Control should be unplugged or
at full clockwise rotation (maximum level).
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Total Mobile Audio
sPeaKer outPut
Speaker connection to the T2-500.1 is
straightforward and takes place at the far right
of the power/speaker connection panel. A
single positive ("+") connection and a single
negative ("–") connection are available via a
connector labeled "Speaker Output (Mono)".
+
VDC
Remote
Ground
Speaker Output (Mono)
Preamp
Amplifier
Outputs
Inputs
LEFT
LEFT
40
130
O
+12dB
Bass Boost
Power
Reversed | Normal
a JL Audio® Company
Output Polarity
RIGHT
RIGHT
Speaker loads below 2Ω nominal are not
recommended and will cause the amplifier to
enter into a protection mode.
Do not chassis ground any speakers connected
to this or any other TMA amplifier. Doing so will
cause the amplifier to go into protection.
To connect the speaker wires to the amplifier,
strip 1/2-inch (12 mm) of insulation from
each speaker wire and insert them into their
appropriate connector (observing correct
polarity). Then, tighten each connector using a
Phillips screwdriver.
Do NOT attempt to "bridge" two T2-500.1's
together or combine their output to a single
load in any manner. Doing so will damage the
amplifier(s).
Before reconnecting the battery ground and
turning the system on, verify that all control
settings on the amplifier are set according to
the needs of the system.
"Power" indiCator led /
ProteCtion CirCuitrY
The multi-color "Power" LED on the T2-500.1
also serves as a status indicator for certain fault
conditions. Its operation is as follows:
1) Red: Amplifer is turning on.
2) Green: Amplifier is on / operating normally.
3) Yellow: Protection mode activated due to one
of the following: Shorted outputs, too low of a
load impedance or thermal overload (too hot).
Once the fault condition is corrected, the
amplifier will return to normal operating
mode and the LED will turn green again. For
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information on troubleshooting this amplifier,
min
max
40
130
O
+12dB
Input Sens.
LP Filter Frequency (Hz)
Bass Boost
refer to Appendix C (pages 14, 15).
Preamp
Amplifier
Outputs
Inputs
Remote
Level
LEFT
LEFT
Port
Reversed | Normal
Output Polarity
RIGHT
RIGHT
serViCing Your tma amPliFier
If your amplifier fails or malfunctions, please
return it to your authorized TMA dealer so that
it may be sent in to TMA for service. There are
no user serviceable parts or fuses inside the
amplifier. The unique nature of the circuitry in
the TMA amplifiers requires specifically trained
service personnel. Do not attempt to service the
amplifier yourself or through unauthorized repair
facilities. This will not only void the warranty,
but may result in the creation of more problems
within the amplifier.
If you have any questions about the installation
or setup of the amplifier not covered in this
manual, please contact your dealer or technical
support.
9:00 AM – 5:30 PM (Eastern Time Zone)
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Power
min
max
40
Input Sens.
LP Filter Frequ
tma technical support:
(954) 443-1100
Monday - Friday
9
1

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