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Junior Varsity
Help with a QSC CX254 amp
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<blockquote data-quote="Riley Casey" data-source="post: 216273" data-attributes="member: 125"><p>Euroblock connectors are widely used on permanent installation electronics as they are more reliable than "plugs and jacks" when terminated properly. The photo you've posted shows some very poorly done terminations. If your "sound pros" didn't flag that right away they the were less than pro. </p><p></p><p>If your amps have no or intermittent output when the attenuator is at different parts of it's rotation it's simply dirty. Rotating it quickly back and forth might clean it temporarily but the right answer is disassembly and cleaning followed by ensuring that the air supply to your electronics rack is filtered to prevent contamination. This is indeed a problem with QSC amps and with virtually every other brand of electronics that uses unsealed rotary pots. Using the attenuators to properly gain stage your sound system is the right approach when coupled with having the gear properly installed and maintained.</p></blockquote><p></p>
[QUOTE="Riley Casey, post: 216273, member: 125"] Euroblock connectors are widely used on permanent installation electronics as they are more reliable than "plugs and jacks" when terminated properly. The photo you've posted shows some very poorly done terminations. If your "sound pros" didn't flag that right away they the were less than pro. If your amps have no or intermittent output when the attenuator is at different parts of it's rotation it's simply dirty. Rotating it quickly back and forth might clean it temporarily but the right answer is disassembly and cleaning followed by ensuring that the air supply to your electronics rack is filtered to prevent contamination. This is indeed a problem with QSC amps and with virtually every other brand of electronics that uses unsealed rotary pots. Using the attenuators to properly gain stage your sound system is the right approach when coupled with having the gear properly installed and maintained. [/QUOTE]
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Help with a QSC CX254 amp
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