AudioControl LC-1.800 User Manual

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Making Good Sound creat TM
Features
High Power Mono Subwoofer Amplifier
High Current Design
800 Watts
@ 2 Ohm
MILCM Maximum Input Level Control (Patent Pending)
24 dB/Octave Linkwitz-Riley
Alignment Crossover
GTO Signal Sense
PFM Subsonic Filter
Line-Level RCA Input s and Active Speaker-Level Inputs
So lid One-Piece Aluminum Chassis
Optional wired
ACR-1 Remote Control for Subwoofer Level
AccuBASS®
Bass Restoration
Fi ll ed with home-grown audio goodness
LC-1.800
HIGH-POWER SUBWOOFER AMPLIFIER
Quick Start Guide

AudioControl LC-1.800 Specifications

Power

power output at 4 ohms	500 Watts
power output at 2 ohms	800 Watts
fuse rating	2 x 40 Amps

Voltage and Input

input voltage (RCA) range	500mV to 6V RMS
speaker-level input voltage range	3V to 40V RMS
total harmonic distortion	< 0.01%

Audio Performance

signal-to-noise ratio	102 dBa, Ref 500 Watts@ 4 Ohms
damping factor	670@ 10 Volts, 4 Ohms Output, 100Hz
crossover	24 dB/Octave Linkwitz-Riley, Adjustable From 30-250Hz

Weight and Dimensions

weight	4.5 lbs
width	9.11"
depth	8.0"
height	2.11"

Summary

Important Safety Instructions

Connection Panel Features

Fuses 40A

Replace fuses with exact same style and Ampere rating. Disconnect 12V before changing.

Power Input Terminal +12V

Connects to +12V battery post. Use quality insulated wiring of recommended gauge.

Remote Power Input Terminal

Connects to 12V remote trigger output. Turns amplifier on with head unit or audio signal.

Power Input Terminal Ground

Connects to a good ground connection on the vehicle.

Speaker-Level Inputs

Connects to amplifier/factory radio speaker outputs for audio signals.

Connection Panel Features Continued

RCA Analog Line-Level Inputs

Connects to line-level output from head unit for audio signals.

Remote Control Connector

Connects to optional ACR-1 remote for remotely controlling output level.

Speaker-Level Output Terminals

Connects speaker wire to subwoofer(s). Impedance must not dip below 2 Ohm.

Control Panel Features

Power LED and Protection LED

Power LED indicates ON status (green). Protection LED provides diagnostic codes for issues.

GTO Signal Sense

Turns amplifier on/off based on audio signal detection. Can be bypassed for switched 12V.

AccuBASS Controls

Enables/disables AccuBASS circuit and adjusts threshold and level for bass restoration.

Control Panel Features Continued

Crossover Frequency Adjustment

Sets crossover point (30-250 Hz) to match subwoofer specs for optimal sound.

Gain Control and Maximization

Adjusts overall volume output. Gain Maximized LED indicates optimal performance.

Polarity and Source Clip LED

Selects subwoofer polarity. Source Clip LED prevents distortion by indicating signal clipping.

Quick Start Guide Steps

Initial Setup and Connections

Steps for connecting amplifier to power, ground, remote, and audio inputs.

Subwoofer Connection and Adjustment

Connect subwoofer, adjust input gain using MILC, set crossover, and use ACR-1 for level.

Power Connections Diagram

System Setup Examples

Factory Radio with Speaker-Level Inputs

Diagram showing connection of subwoofer to factory radio using speaker-level inputs.

System Setup Examples Continued

Aftermarket Head Unit with Line-Level Inputs

Diagram showing connection of subwoofer to aftermarket radio using line-level inputs.

ACR-1 Dash Control Installation

Mounting Options

Describes mounting the ACR-1 dash control under or through the dash for remote level control.

Top Lid Removal Procedure

Instructions on how to remove the amplifier's top lid to access controls.

Specifications

Amplifier Specifications Table

Lists detailed technical specifications for the LC-1.800 amplifier.

Power and Protection LED Codes

Details the meaning of blue (power) and red (protection) LED indicator codes.

Warranty and Contact Information

Provides warranty details, website, and contact information for AudioControl.