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Building a Subsonic Filter
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<blockquote data-quote="Grimace0202" data-source="post: 4292101" data-attributes="member: 588866"><p>I have a couple of Old RF Punch Amps. I am using a Punch 200 to run my subs. These old amps have the removable crossover cards in them. I am planning on modifying the crossover card to create a subsonic filter, and I don't know if I should set the new Crossover point at 25Hz or 30Hz. Currently I have a ported box tuned to 34Hz. Would setting up my crossover card with a 25Hz crossover point be to low and allow damage to my subwoofers? Would 30 be more ideal?</p><p></p><p>I am able to use my Headunit to control my normal LPF and HPF but if I adjust the crossover frequency on the card in my amp I should be able to essentially create a Subsonic filter.</p><p></p><p>Anythoughts or comments would be appreciated. Thanks.</p></blockquote><p></p>
[QUOTE="Grimace0202, post: 4292101, member: 588866"] I have a couple of Old RF Punch Amps. I am using a Punch 200 to run my subs. These old amps have the removable crossover cards in them. I am planning on modifying the crossover card to create a subsonic filter, and I don't know if I should set the new Crossover point at 25Hz or 30Hz. Currently I have a ported box tuned to 34Hz. Would setting up my crossover card with a 25Hz crossover point be to low and allow damage to my subwoofers? Would 30 be more ideal? I am able to use my Headunit to control my normal LPF and HPF but if I adjust the crossover frequency on the card in my amp I should be able to essentially create a Subsonic filter. Anythoughts or comments would be appreciated. Thanks. [/QUOTE]
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