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<blockquote data-quote="audio_phill" data-source="post: 7280751" data-attributes="member: 605512">TC Sounds DB500 TSP&#039;s from my fully broken in woofer, for the Epic specs, the PE ones are close enough. The DB 500 needs a much larger box to perform optimally.Re&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; =&nbsp; &nbsp; 3.3338 ohmsFs&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; =&nbsp;&nbsp; 27.4494 HzZmax&nbsp; &nbsp; &nbsp;&nbsp; =&nbsp;&nbsp; 45.6175 ohmsQes&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp; &nbsp; 0.5150Qms&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp; &nbsp; 6.5322Qts&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp; &nbsp; 0.4774Le&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; =&nbsp; &nbsp; 1.9760 mH&nbsp; (at 1 kHz)Diam&nbsp; &nbsp; &nbsp;&nbsp; =&nbsp; 254.0000 mm&nbsp; ( 10.0000 in&nbsp; )Sd&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; =50670.7504 mm^2( 78.5398 in^2)Vas&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp; 119.2946 L&nbsp;&nbsp; (&nbsp; 4.2128 ft^3)BL&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; =&nbsp;&nbsp; 10.7122 N/AMms&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp; 102.7859 gCms&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp; 327.0707 uM/NKms&nbsp; &nbsp; &nbsp; &nbsp; = 3057.4431 N/MRms&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp; &nbsp; 2.7138 R mechanicalEfficiency =&nbsp; &nbsp; 0.4501 %Sensitivity=&nbsp;&nbsp; 88.5514 dB @1W/1m</blockquote>

[QUOTE="audio_phill, post: 7280751, member: 605512"] TC Sounds DB500 TSP's from my fully broken in woofer, for the Epic specs, the PE ones are close enough. The DB 500 needs a much larger box to perform optimally. Re = 3.3338 ohms Fs = 27.4494 Hz Zmax = 45.6175 ohms Qes = 0.5150 Qms = 6.5322 Qts = 0.4774 Le = 1.9760 mH (at 1 kHz) Diam = 254.0000 mm ( 10.0000 in ) Sd =50670.7504 mm^2( 78.5398 in^2) Vas = 119.2946 L ( 4.2128 ft^3) BL = 10.7122 N/A Mms = 102.7859 g Cms = 327.0707 uM/N Kms = 3057.4431 N/M Rms = 2.7138 R mechanical Efficiency = 0.4501 % Sensitivity= 88.5514 dB @1W/1m [/QUOTE]

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