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<blockquote data-quote="Papermaker85" data-source="post: 6398793" data-attributes="member: 572595"><p>well unless you oscoped it to get 1200 RMS i HIGHly doubt it got any where close to 1200 with impedance rise etc.. im not arguing that the woofer couldn't take the rated power, or that it didn't sound great.. what im saying is the 15h has too low a QE and FS to be ported with good results unless you do 2-2.25 tuned to 24hz.. while the orginal X with the alum coil done better in my install it simply failed to hold together above 60hz as ken stated.. john has excellent CS and is a great guy.. i just don't care for the design for car audio... i can give you formulas showing actual motor strength vs suspension stiffness and how it affcets frequency response in a given car/enclosure..</p></blockquote><p></p>
[QUOTE="Papermaker85, post: 6398793, member: 572595"] well unless you oscoped it to get 1200 RMS i HIGHly doubt it got any where close to 1200 with impedance rise etc.. im not arguing that the woofer couldn't take the rated power, or that it didn't sound great.. what im saying is the 15h has too low a QE and FS to be ported with good results unless you do 2-2.25 tuned to 24hz.. while the orginal X with the alum coil done better in my install it simply failed to hold together above 60hz as ken stated.. john has excellent CS and is a great guy.. i just don't care for the design for car audio... i can give you formulas showing actual motor strength vs suspension stiffness and how it affcets frequency response in a given car/enclosure.. [/QUOTE]
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