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Old 23rd March 2008, 10:50 PM   #71
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No disagreement with everything else I edited from your post (just to keep it brief). My contention has simply been that NI resistors are not neccessary for the hobbyist. Use them if you can get then cheap, but don't fret it. Unless it's a requirement of QSC to use them, I don't see what difference it would make in your testing and calibration process either.

Originally posted by Zero Cool
One of the test's i need to do when repairing QSC power amps is to do a full power into a 2 ohm load and check for symmetrical clipping!

Some of these amps are in the 2-3Kw range per channel at 2 ohms.
I like QSC amps a lot, but they're too expensive down here.

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Old 2nd April 2008, 07:58 PM   #72
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hi just a quick question before i buy how many watts could 6 x 50w resistors connected in parrell take? also am i right in thinking that 6x 27r resistors make 4.7r

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Old 3rd April 2008, 01:15 AM   #73
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300W (6x50) and 27/6=4.5 ohms
Vintage Audio and Pro-Audio repair ampz(removethis)@sohonet.net
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