Speaker Cable Gauge - Long run to Guitar Cab.

  • Thread starter Thread starter WERNER 1
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WERNER 1

WERNER 1

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Hey guys, I'm trying to get a bit of advice here.....

I know that this is mostly for recording, but I've got a live application question for you all.....

I'm running a 100 w. head into an 8 ohm cabinet. The only problem is that the cab is about 50 ft. away from my head and I can't change that. So what I need to know is: What gauge speaker wire should I be using in this application?

Thanks,
Rick
 
WERNER 1 said:
Hey guys, I'm trying to get a bit of advice here.....

I know that this is mostly for recording, but I've got a live application question for you all.....

I'm running a 100 w. head into an 8 ohm cabinet. The only problem is that the cab is about 50 ft. away from my head and I can't change that. So what I need to know is: What gauge speaker wire should I be using in this application?

Thanks,
Rick
Click to expand...

50 ft isn't much. 16 gauge will work fine with less than 0.5dB loss.
 
How about that, three of us and three answers :)

I think I've done this math right, the prices are for bulk cable without connectors from partsexpress:

50 ft of cable into 8 ohm speaker:

Gauge Power Loss dB Loss Price/50 ft
12AWG -2% -0.09dB $20.63
14AWG -3% -0.14dB $14.74
16AWG -5% -0.22dB $10.62

So pick which one you like.

If your head can do 4 ohms and you think you might buy another cab someday, that will significantly change the table above.
 
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