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Longest Advisable Speaker Cable Runs?

I've always heard 8-10' is ideal.
I'd like to move my gear rack to the side of my listening room-I've seen this done in the Virtual Systems section with what must have been some pretty long runs of Speaker Cable. I would probably need 30 feet to the furthest speaker.
My amp is low watt-around 10 per channel SO that could effect cable run length?
Any help is appreciated.
128x128dpgdave
dpgdave's avatar
dpgdave OP
16 posts
 
More specifically, what's the longest run of speaker cables I can run off a 10 wpc amp without loosing sound quality?
mt10425
1,138 posts
 
I run 20ft cables from my 10watt Sophia Baby. Mine are simple Vampire wire 12ga continuous cast copper hook-up wire.
almarg's avatar
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almarg
9,670 posts
 
Variables that are relevant to your question include speaker impedance (the higher the better); the variation of speaker impedance as a function of frequency; the type of cable; the criticality of woofer damping to the particular speaker; the output impedance of the amplifier; and possibly amplifier bandwidth and how much feedback the amplifier uses (the long cable conceivably could act as an antenna and introduce rfi into the feedback loop, if there is one).

So as a minimum let us know the make and model of the speakers and amplifier.

Regards,
-- Al
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