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 thread  Author  Topic: Guitar cable used instead of amp cable - any harm?  (Read 728 times)
ReverseStratBoy
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xx Guitar cable used instead of amp cable - any harm?
« Thread started on: Oct 11th, 2015, 4:29pm »

Hi all. Realized after a gig with the HR50, I had been running a guitar cable into the cabinet (rather than a speaker cable). Totally inadvertent and annoyed at my oversight. Even so, hadn't noticed any performance difference either. Anyway, is damage possible? Should I be worried? - Cheers
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nevismusic
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xx Re: Guitar cable used instead of amp cable - any h
« Reply #1 on: Oct 11th, 2015, 6:39pm »

Soldano amps are pretty robust and reliable even when mistakes like this happen. You're probably fine, since it was a relatively short term mistake, as long as you make sure to use the proper speaker cable going forward. Definitely be careful though so you don't fry your amp/transformer!
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Wolfgang von Bockenheim
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xx Re: Guitar cable used instead of amp cable - any h
« Reply #2 on: Nov 20th, 2015, 07:52am »

Yes, damage is possible. The risk is higher on powerful bass amps, because a lot more juice runs through the cable. A signal cable (as opposed to speaker cable) has a higher resistance than speaker cable to begin with, and it can get warm, and warm metal has an even higher resistance than cold metal. If you continue, the signal cable can get hotter and hotter, and its resistance increases more and more, until it's really hot, in which case the amp may blow. It does not happen very often, but it's not unheard of. Even though Soldanos (or other reputable brands) are supposed to be "robust", you should always use a speaker cable for that purpose. Speaker Cables have a very low resistance to begin with, and they consist of a lot more metal to conduct the juice from amp output to speaker input. They rarely get warm, and I have never seen one overheat.
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ReverseStratBoy
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xx Re: Guitar cable used instead of amp cable - any h
« Reply #3 on: Nov 21st, 2015, 10:35am »

Many thanks all, just needed reassurance! That occasion I was setting up in a hurry so it was a blunder rather than ignorance - all my cables are trusty old Klotz's, with the speaker cable jacks / instrument cable jacks being similar. Amp seems fine though, sounding its usual amazing self.
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JLB
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xx Re: Guitar cable used instead of amp cable - any h
« Reply #4 on: Dec 8th, 2015, 12:04am »

Yeah make sure you use speaker cable only.

LB
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James L. Burke III
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