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| The subwoofer is not receiving a | • Recheck the connections between the source and the subwoofer. | |
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| signal. |
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No output from the |
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| • With the volume on the subwoofer turned to a low setting, try | ||||
subwoofer | (LED |
| plugging the subwoofer directly into a CD player or lightly touching | ||
lights up red). | Subwoofer amplifier is faulty. | the unplugged end of the input cable. If you hear noise from the sub- | |||
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| woofer, the problem is with your connection to the system. If you | ||
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| hear no noise, try turning the volume on the subwoofer up some more. | |
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| If you still hear no noise, contact your dealer or | |
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| support for authorization to send the amplifier back for service. | |
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| Connection between subwoofer | • Return the subwoofer to the dealer or contact HSU Research. | |
No output from the | amplifier and woofer is faulty. | ||||
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subwoofer | (LED |
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turns green). |
| Driver or amplifier is faulty. | • Return the subwoofer to the dealer or contact HSU Research. | ||
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| You used speaker level connections | • Correct the polarity of the speaker wires by matching the +/- from | |
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| and have mixed up the polarity of | ||
Little or no sound | the wires, thus shorting one channel | the receiver/amplifier to the +/- of the subwoofer’s speaker level input. | |||
of the main amplifier. |
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from | one | main |
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speaker.. |
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| You used speaker level connections | • Connect only to the channel that has a true ground ‘ - ’. If neither | |||
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| and one or both your main amplifier’s | channel has a true ground ‘ - ’, contact your dealer or | |
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| ‘ - ’ are not true ground. | technical support. | |
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| • Increase the volume of the subwoofer and the subwoofer level or | |
Bass output | from | Level on subwoofer or receiver’s | LFE level on the receiver or other source. It is best to set the level | ||
of the subwoofer relative to the other speakers using a test disk and | |||||
subwoofer is low. | subwoofer output is too low. | ||||
a Radio Shack SPL meter, or | |||||
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| cessor. See “Volume Level” in Step 4. | |
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S u b w o o f e r | Noise is being generated by up- | • When you shut down your equipment, turn off the subwoofer first. | |||
thumps when the | |||||
system | is | being | stream equipment. | When powering up, turn on the subwoofer last. | |
turned on and off. |
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Repair
If your unit needs service, please
Contact your dealer or call tech support at
We will try and respond to emails sent to techsupport@hsuresearch.com within two business days.