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Subwoofers
why is efficiency so critical
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<blockquote data-quote="JimJ" data-source="post: 2123904" data-attributes="member: 555251"><p>Solid state amplifier power, on average, is pretty cheap. We're not trying to extract every last watt out of a triode output stage, so we don't need the sacrifices mandated by ultra-high sensitivity drivers such as Lowthers and Fostex's. In addition, playing around with the enclosure size is <em>critical</em> for determining the system's overall efficiency in a vehicle. You cannot simply say Sub A will be louder than Sub B in every install because Sub A has a higher efficiency. Well, you could, but you'd be flat-out wrong.</p><p></p><p>Higher efficiency is not always desired, as well - loss of Mms and an increase in Fs may be fine for a midrange playing 100Hz and above, but for a subwoofer it could lead to mechanical issues...</p><p></p><p>I'd much rather have a lower sensitivity driver and build the enclosure to maximize output rather than make the dangerous tradeoffs to build a sub that models well on paper but folds cones when put to power.</p></blockquote><p></p>
[QUOTE="JimJ, post: 2123904, member: 555251"] Solid state amplifier power, on average, is pretty cheap. We're not trying to extract every last watt out of a triode output stage, so we don't need the sacrifices mandated by ultra-high sensitivity drivers such as Lowthers and Fostex's. In addition, playing around with the enclosure size is [I]critical[/I] for determining the system's overall efficiency in a vehicle. You cannot simply say Sub A will be louder than Sub B in every install because Sub A has a higher efficiency. Well, you could, but you'd be flat-out wrong. Higher efficiency is not always desired, as well - loss of Mms and an increase in Fs may be fine for a midrange playing 100Hz and above, but for a subwoofer it could lead to mechanical issues... I'd much rather have a lower sensitivity driver and build the enclosure to maximize output rather than make the dangerous tradeoffs to build a sub that models well on paper but folds cones when put to power. [/QUOTE]
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