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1.  Fuses 40A

 – Replace the fuses only with the exact same style 

and Ampere rating. Disconnect 12V power before changing or 

inspecting the fuses.  

2.  Power Input Te12V

 – This screw terminal connects to 

the +12V battery binding post of the vehicle. Use quality insulated 

wiring of the recommended wire gauge, such as wire gauge 2 or 

thicker. Thinner wire may cause an overheating hazard due to the 

large currents involved.

3.  Remote Power Input Terminal

 – This screw terminal connects 

to the 12V remote trigger output of some head units. When the 

head unit is turned on, then the LC-1.1500 amplifier will turn on. 

Alternatively, you can use the GTO feature of the amplifier so it 

will turn on when an audio signal is detected at the speaker-level 

or line-level inputs.

4.  Power Input Terminal Ground

 – This screw terminal connects to 

a good ground connection on the vehicle. 

5.  Speaker-Level Inputs 

– The LC-1.1500 amplifier is supplied with 

a standard 4-conductor plug that allows for easy installation and 

removal. The speaker-level output from amplifiers and factory 

installed radios can connect here, so the LC-1.1500 will receive 

the audio signals and do its subwoofer thing. The left and right 

audio signals are summed internally to produce a mono subwoof-

er signal. Make sure that you follow the plus and minus polarity 

markings on the LC-1.1500 and match it to the polarity of the 

speaker wiring. Do not use the RCA Line-level inputs if you are 

using the speaker-level inputs.

Connection Panel 

Features

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2 3 4

5 6

7

8

Summary of Contents for LC-1.1500

Page 1: ...Maximum Input Level Control Patent Pending 24 dB Octave Linkwitz Riley Alignment Crossover GTO Signal Sense PFM Subsonic Filter Line Level RCA Inputs and Active Speaker Level Inputs Solid One Piece A...

Page 2: ...oisture does not operate normally or has been dropped 14 This apparatus shall not be exposed to dripping or splashing and no object filled with liquids shall be placed on the apparatus 15 Fuses shall...

Page 3: ...amplifier so it will turn on when an audio signal is detected at the speaker level or line level inputs 4 Power Input Terminal Ground This screw terminal connects to a good ground connection on the v...

Page 4: ...signal Do not use the speaker level inputs if you are using the RCA line level inputs 7 Remote Control Connector This connects to the optional ACR 1 remote control and allows you to remotely control...

Page 5: ...estigating Shorts like crushed velvet hot pants are not a good thing Note that the blue power codes mentioned in the table are for the internal blue glow from behind the heatsink area and not the powe...

Page 6: ...Control This control allows you to adjust the overall volume output level in the normal way with counterclockwise decreasing the volume and clockwise increasing Note that if you have fitted the option...

Page 7: ...hicle battery Use 2 gauge insulated wire or thicker 6 Connect the Ground terminal of the unit to the chassis of the vehicle Use 2 gauge insulated wire or thicker 7 Connect the remote power terminal of...

Page 8: ...the head unit is turned on it will turn on the LC 1 1500 amplifier Alternatively the GTO signal sense feature can be used to gently turn on the LC 1 1500 amplifier when an audio input signal is detect...

Page 9: ...9 System 1 Adding a Subwoofer to a Factory Radio using Speaker Level Inputs Factory Radio Speaker level output ACR 1 optional Subwoofer...

Page 10: ...10 Quick Start Guide System 2 Adding a Subwoofer to an Aftermarket Head Unit using Line Level Inputs Aftermarket Head Unit Line level outputs L R L R ACR 1 optional Subwoofer...

Page 11: ...finished look the dash control can be flush mounted directly on the dashboard or anywhere else Disassemble the ACR 1 from its enclosure Top Lid Removal The top lid must be removed to gain access to th...

Page 12: ...r Ground Wire Gauge 0 to 2 Gauge Fuse Rating 4 X 40 Amps Crossover 24 dB Octave Linkwitz Riley Adjustable From 30 250 Hz PFM Subsonic Filter 24 Hz Weight 7 2 lbs Dimensions 12 W X 8 0 D X 2 1 H 2018 A...

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