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<blockquote data-quote="thadman" data-source="post: 2676339" data-attributes="member: 561122"><p>The Avalanchess peaking in the lower octaves can be easily explained by observing its thiele small parameters. The Avalanches had extremely low resonant frequencies (15.7hz for the 18 and 15hz for the 15) which is insurmountably lower than the multitude of offerings available to the car audio market. This absurdly low Fs (albeit perfectly comfortable in the home theater environment) boosts the low end driving efficiency up in that region.</p><p></p><p>FYI</p><p></p><p>The soundsplinter RLP15 has a 27hz Fs, the Fi Q15 has a 26hz Fs, the Mach5 18 has a ~30hz Fs. These are all roughly an octave higher than the Avalanches<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" /></p></blockquote><p></p>
[QUOTE="thadman, post: 2676339, member: 561122"] The Avalanchess peaking in the lower octaves can be easily explained by observing its thiele small parameters. The Avalanches had extremely low resonant frequencies (15.7hz for the 18 and 15hz for the 15) which is insurmountably lower than the multitude of offerings available to the car audio market. This absurdly low Fs (albeit perfectly comfortable in the home theater environment) boosts the low end driving efficiency up in that region. FYI The soundsplinter RLP15 has a 27hz Fs, the Fi Q15 has a 26hz Fs, the Mach5 18 has a ~30hz Fs. These are all roughly an octave higher than the Avalanches:eek: [/QUOTE]
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