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JBL Loud + Clear LC-A504 User Manual

JBL Loud + Clear LC-A504
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Amplifiers
LC-Amplifier OM 3/4/99 10:55 AM Page 2
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JBL Loud + Clear LC-A504 Specifications

LC-A502

Power Output IconPower Output
power_output_4_ohms50W x 2
power_output_2_ohms65W x 2
power_output_4_ohms_bridged130W x 1
Audio Performance IconAudio Performance
frequency_response20Hz – 40kHz
input_sensitivity250mV – 4V
thd_noise.10%
signal_to_noise_ratio>90dB
Power and Dimensions IconPower and Dimensions
maximum_current_draw20A
dimensions_h_w_d2-5/16" x 8-5/16" x 7-9/16"
dimensions_h_w_d_mm58mm x 217mm x 191mm

LC-A752

Power Output IconPower Output
power_output_4_ohms75W x 2
power_output_2_ohms90W x 2
power_output_4_ohms_bridged180W x 1
Audio Performance IconAudio Performance
frequency_response20Hz – 40kHz
input_sensitivity250mV – 4V
thd_noise.10%
signal_to_noise_ratio90dB
Power and Dimensions IconPower and Dimensions
maximum_current_draw26A
dimensions_h_w_d2-5/16" x 8-5/16" x 12-1/2"
dimensions_h_w_d_mm58mm x 217mm x 317mm

LC-A304

Power Output IconPower Output
power_output_4_ohms30W x 4
power_output_2_ohms37.5W x 4
power_output_4_ohms_bridged75W x 2
Audio Performance IconAudio Performance
frequency_response20Hz – 40kHz
input_sensitivity250mV – 4V
thd_noise.10%
signal_to_noise_ratio90dB
Power and Dimensions IconPower and Dimensions
maximum_current_draw23A
dimensions_h_w_d2-5/16" x 8-5/16" x 11-5/8"
dimensions_h_w_d_mm58mm x 217mm x 297mm

LC-A504

Power Output IconPower Output
power_output_4_ohms50W x 4
power_output_2_ohms62.5W x 4
power_output_4_ohms_bridged125W x 2
Audio Performance IconAudio Performance
frequency_response20Hz – 40kHz
input_sensitivity250mV – 4V
thd_noise.10%
signal_to_noise_ratio90dB
Power and Dimensions IconPower and Dimensions
maximum_current_draw42A
dimensions_h_w_d2-5/16" x 8-5/16" x 14-1/16"
dimensions_h_w_d_mm58mm x 217mm x 357mm

Summary

Installation Warnings and Tips

Safety Precautions During Installation

Essential safety measures including eye protection, disconnecting power, and checking clearances before drilling.

Choosing a Location and Mounting the Amplifier

Amplifier Cooling and Mounting Guidelines

Ensures proper airflow for cooling and secure mounting, avoiding damage from passengers or cargo.

Wiring the Power Connections

Power, Remote, and Ground Connections

Instructions for connecting power, remote turn-on, and ground wires with appropriate gauge and fuse.

Wiring the Speaker-Output Connections

Speaker Impedance and Bridging

Details on connecting speakers for stereo or bridged modes, specifying minimum impedance requirements.

Tri-Mode Crossover Components

Information on passive crossover components (inductors and capacitors) for Tri-Mode operation.

Wiring the Input-Signal Connections

RCA and Speaker-Level Input Wiring

Guide for connecting RCA cables or using speaker-level-to-line-level adapters for audio input.

System Setup and Adjustment

Electronic Crossover Setup

Details the selectable 12dB/oct HPF, LPF, or defeatable crossover and frequency range.

Setting Input Level

Explains how to adjust the input sensitivity for optimal undistorted sound output.

Troubleshooting

Specifications

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