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echo: pro_audio
to: KEN LAMISON
from: KURT J. TISCHER
date: 1995-06-05 03:13:00
subject: Re:

KL>You are the second person I've heard with that experience.  A friend
KL>of mine lost all his Sound Reinforcement system in a similar
KL>situation. He was the sound contractor for a county airshow with a
KL>stage setup and some national acts.  An airplane ran over the main
KL>distribution cable and provided 240V to ground on the entire
KL>electrical system. No audio gear or surge protectors seem to be
KL>designed to handle this and gear is instantly destroyed.  Since
KL>hearing of this, I always check any 240V service with a multitester 
KL>before plugging in.
Good call...
Most of the time, I don't need to worry about these things because I was 
just hooking into a 100v receptacle at a bar, but I'm getting into more 
and more festival work so I too will be sure to check all connections 
before powering up.
Another experience a few years ago was when I rented my PA out to a band 
that assured me they knew how to make the connections properly and said 
they had a good soundman. So, I didn't go out on the gig, I just 
delivered the system and went off to the next job. Well, these idiots 
wired the power amp outputs to the Sends on a 100ft. snake. The result 
was 100ft. of fused copper cable. Since then, I have multi-pinned 
everything so that mic/line connections cannot be made to amp/speaker 
connections and everything can only go together ONE way. This has 
alleviated dumb mistakes and has also cut setup/strike time by about 25 
percent.
Thanks for your reply!
Kurt
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