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Crunch MXB 480 - User Manual

Crunch MXB 480
18 pages
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Summary

Front Panel Features

General Installation Notes

General Installation Procedures

Guidelines for mounting the amplifier and routing wiring to minimize noise interference.

Power and Ground Connections

Details on using appropriate gauge cables, fuses, and secure connections for power and ground.

Troubleshooting a Faulty System

Diagnostic System Overview

Explanation of the amplifier's built-in diagnostic system and LED indicators for fault detection.

Diagnosing Speaker Lead Short Circuits

Steps to identify short circuits on speaker leads and potential internal amplifier faults.

Amplifier Heatsink Overheating

Troubleshooting Fuses Blowing

Identifying causes for fuse blowing, such as improper impedance or electrical shorts.

System Does Not Turn On

Steps to diagnose and resolve issues when the system fails to power on.

Noise Problems

Engine RPM Related Noise

Troubleshooting ticking or whine that changes with engine RPM, often due to RCA cable placement.

Crunch MXB 480 Specifications

General IconGeneral
Channels4
BridgeableYes
Crossover TypeVariable
Bass Boost0 - 12dB
RMS Power @ 4 Ohms80 Watts x 4
RMS Power @ 2 Ohms120 Watts x 4
Bridged RMS Power @ 4 Ohms240W x 2
Total RMS Power Output480W
Signal to Noise Ratio90 dB
Input Sensitivity200mV - 6V
Low Pass Crossover Frequency / Filter50 Hz to 250 Hz
THD at Rated Power0.05%

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