Barringer make a very cool digital graghic equlizer. Not onhly do you have 
control over all 31 bands of audio but it will save up to 99 screans. Also it 
will generate pink noise and do RTA funtions save these RTA read outs flip 
the curve up side down and put this curve in the graghic equlizer page. A 
very quick and easy way to ballance out your system for around $1000. Check 
it out. 
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