Question about Logitech Z-640 Computer Speakers

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There is no power

There in no power on the speaker when connectet to the outlet

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  • ttaupea Nov 20, 2008

    there is no power

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Check te switch wether its work...... or check your connection 15pin all the pins are in place if that okay its need to go into the main board

thanks

toki

Posted on Mar 26, 2009

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I have a 220 watt amp with two speaker outlets. Mfg suggests I use a series Y for each of two speakers. Will that reduce overall power as compared to hooking each speaker from a different outlet


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It should be OK BUT if the JBL and the Logitech are plugged into different mains outlets you could get a hum from one or both sets of speakers. This hum is caused by an earth loop when the speakers are connect to different mains outlets.
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1 Answer

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If the computer and the powered speakers are connected to different power outlets then you could have an earth loop. This causes a hum in the speakers, this also apply to hi-fi sound systems.
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1 Answer

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1 Answer

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