Question about JBL PB10 Subwoofer

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Sleep mode I have a PB10 subwoofer that keeps going into sleep mode. I try the test tones and the subwoofer comes back on, but for use with everything else, the subwoofer powers down. I've checked the cables and I know I have power going to the subwoofer. If you have any suggestions, I would love to hear them. Thank you.

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It will power off if the frequency range of the signal being sent to it is set too low, or the amplitude of the signal is too low as well.

Try increasing the subwoofer crossover frequency and/or increase the gain from the LFE/SUB of the receiver/preamp you have it connected to. Also make sure that in the setup menus of ALL of your components have an LFE channel enabled such as by selecting the output of source material of your DVD player for example, to output 5.1. Otherwise, it will not send a signal for the subwoofer to play, nor will it play the signal if the crossover frequency is set too low.

Example; the setting on your DVD player setup menu is set to two channel: result with only one exception, subwoofer will not play

Example; subwoofer/LFE level on receiver/preamp set to -10dB and/or subwoofer volume too low. Result: subwoofer will not play.

Example; subwoofer crossover point set at 35Hz. Source material playing sound at 30Hz and lower. Result: subwoofer will not play.

Posted on Oct 30, 2010

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