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<blockquote data-quote="Langston Holland" data-source="post: 57173" data-attributes="member: 171">Re: Shootout: KF650e vs DX1565No worries Marlow, EAW didn&#039;t do anything bad, just weird. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile&nbsp; &nbsp; :)"&nbsp; data-smilie="1"data-shortname=":)" />It&#039;s likely that external manipulation of the internal greybox data via the Amp Max Volts spec, such as limiter thresholds, was harder to arrange than just changing passband gain downstream of the greybox. Assume a situation where a greybox covers two passbands, low and mid/high. All will work as expected where one employs amps with similar output capabilities relative to the passbands.Example: The KF730 is rated at 700 watts long-term into the lows and 350 watts long-term into the mid/highs. Assume the user chose amps with identical output capabilities respectively. In this case long-term max SPL would be achievable from both passbands. If the user chose two 700 watt amps, long-term max SPL would remain available and the additional long-term power in the mid/high amp would be ignored. If the user chose two 350 watt amps, max SPL of both passbands of the KF730 would be reduced 3dB in order to maintain balance across the loudspeaker&#039;s entire spectrum.UX8800 outputs that are not part of that greybox are unaffected. Thus as both passbands of the KF730 are moved up and down, the subs and frontfills you might be controlling will stay put - possibly requiring manual rebalancing from the user.The fact that no one has fussed about this until me shows you how little audible consequence it typically is.</blockquote>

[QUOTE="Langston Holland, post: 57173, member: 171"] Re: Shootout: KF650e vs DX1565 No worries Marlow, EAW didn't do anything bad, just weird. :) It's likely that external manipulation of the internal greybox data via the Amp Max Volts spec, such as limiter thresholds, was harder to arrange than just changing passband gain downstream of the greybox. Assume a situation where a greybox covers two passbands, low and mid/high. All will work as expected where one employs amps with similar output capabilities relative to the passbands. Example: The KF730 is rated at 700 watts long-term into the lows and 350 watts long-term into the mid/highs. Assume the user chose amps with identical output capabilities respectively. In this case long-term max SPL would be achievable from both passbands. If the user chose two 700 watt amps, long-term max SPL would remain available and the additional long-term power in the mid/high amp would be ignored. If the user chose two 350 watt amps, max SPL of both passbands of the KF730 would be reduced 3dB in order to maintain balance across the loudspeaker's entire spectrum. UX8800 outputs that are not part of that greybox are unaffected. Thus as both passbands of the KF730 are moved up and down, the subs and frontfills you might be controlling will stay put - possibly requiring manual rebalancing from the user. The fact that no one has fussed about this until me shows you how little audible consequence it typically is. [/QUOTE]

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