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Junior Varsity
Line Array Element testing plot... smaart?
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<blockquote data-quote="Tim McCulloch" data-source="post: 204981" data-attributes="member: 67"><p>No disagreement, Rob, but with modern equipment the same box or pass band component should measure within 0.5dB of a previous measurement taken only a hour or so before.</p><p></p><p>My point is that the failure is in the making of the measurements and often for nonintuitive reasons, including *any* changes in the measurement environment. This can be as simple as having another object in a different place during subsequent remeasurement. The physical testing environment must be 100% consistent, every time.</p><p></p><p>That's hard enough when you have lots of space and for most of us (we have 6000 sf of working space) it's not possible to ensure a 100% consistent environment.</p></blockquote><p></p>
[QUOTE="Tim McCulloch, post: 204981, member: 67"] No disagreement, Rob, but with modern equipment the same box or pass band component should measure within 0.5dB of a previous measurement taken only a hour or so before. My point is that the failure is in the making of the measurements and often for nonintuitive reasons, including *any* changes in the measurement environment. This can be as simple as having another object in a different place during subsequent remeasurement. The physical testing environment must be 100% consistent, every time. That's hard enough when you have lots of space and for most of us (we have 6000 sf of working space) it's not possible to ensure a 100% consistent environment. [/QUOTE]
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Line Array Element testing plot... smaart?
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