Symptom | Probable Cause | Action To Take |
| Speaker not connected to amplifier properly. | Check speaker wires and repair or replace as needed. Refer to the Speaker Con- |
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| nections section of this manual for detailed instructions |
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| Internal crossover not set properly for speakers | Readjust crossovers. Refer to the Internal Crossover Configurations section of |
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| this manual for detailed instructions. |
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| Speakers are blown | Check system with known working speakers and fix or replace as needed. |
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| RCA shield connection is intermittent or faulty | Replace/Repair RCA cable |
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Poor bass response |
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Speakers wired with wrong polarity causing cancellation at low frequencies.
Check speaker polarity and fix as needed.
Crossover set incorrectly | Reset crossovers. Refer to the Internal Crossover Configuration section of this |
| manual for detailed instructions. |
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Impedance load at amplifier is too low. | Check speaker impedance load if below 1Ω, rewire speakers to achieve higher |
| impedance . |
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Battery fuse blowing |
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Short in power wire or incorrect wiring. | Check power wires and ground connections and repair or replace as needed. |
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Fuse used is smaller than recommended. | Replace with proper fuse size. |
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Actual current exceeds fuse rating. | Check speaker impedance load if below 1Ω, rewire speakers to achieve higher |
| impedance . |
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Speaker is blown with shorted outputs | Check system with known working speakers and fix or replace as needed. |
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