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Alpine KTP-445u crossover settings
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<blockquote data-quote="martinv_357" data-source="post: 8783330" data-attributes="member: 684503"><p>Hi all, </p><p></p><p>Firstly, I'm no car audio expert and I'm learning as I go, so would appreciate your patience <img class="smilie smilie--emoji" loading="lazy" alt="😅" title="😅" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f605.png" />...</p><p></p><p>I have upgraded the stock speakers, added a class D amp (for the speakers only) and installed a powered underseat subwoofer in my Ford Ranger.</p><p></p><p>I am using the following gear:</p><ul> <li data-xf-list-type="ul"><strong>Front speakers</strong> - Rockford Fosgate R165-S Prime Series 6.5" Comp, 6.5 Inch </li> <li data-xf-list-type="ul"><strong>Rear speakers</strong> - Rockford Fosgate R165x3 Prime Series 6.5" 3 Way Coax, 6.5 Inch </li> <li data-xf-list-type="ul"><strong>Amp (speakers only) </strong>- Alpine KTP-445u</li> <li data-xf-list-type="ul"><strong>Subwoofer </strong>- Cerwin Vega KPAS10</li> </ul><p>The subwoofer has a high level input from one of the rear speakers.</p><p></p><p><strong><u>QUESTIONS:</u></strong></p><ol> <li data-xf-list-type="ol">What HPF setting would you recommend I use on the Alpine unit based on the speakers I am using? (OFF, 60Hz, 80Hz, 120Hz).</li> <li data-xf-list-type="ol">As I am using a high level input for the signal for my powered subwoofer, will limiting the low frequencies on the Alpine unit result in the subwoofer not getting a decent signal for the bass? </li> <li data-xf-list-type="ol">The gains for both the front and rear speakers on the Alpine unit are set to 0 (as the sound distorts heavily when this is increased), however I am still getting clipping at moderate volume. Is this likely to be limitations of the speakers, or could it be something else? </li> <li data-xf-list-type="ol">I've found the subwoofer performs fine with most bass frequencies, however struggles with anything really low. What do you recommend as a good starting point for the crossover/gains on the subwoofer?</li> </ol><p>Would really appreciate any advice.</p><p>Thanks!</p></blockquote><p></p>
[QUOTE="martinv_357, post: 8783330, member: 684503"] Hi all, Firstly, I'm no car audio expert and I'm learning as I go, so would appreciate your patience 😅... I have upgraded the stock speakers, added a class D amp (for the speakers only) and installed a powered underseat subwoofer in my Ford Ranger. I am using the following gear: [LIST] [*][B]Front speakers[/B] - Rockford Fosgate R165-S Prime Series 6.5" Comp, 6.5 Inch [*][B]Rear speakers[/B] - Rockford Fosgate R165x3 Prime Series 6.5" 3 Way Coax, 6.5 Inch [*][B]Amp (speakers only) [/B]-[B] [/B]Alpine KTP-445u [*][B]Subwoofer [/B]- Cerwin Vega KPAS10 [/LIST] The subwoofer has a high level input from one of the rear speakers. [B][U]QUESTIONS:[/U][/B] [LIST=1] [*]What HPF setting would you recommend I use on the Alpine unit based on the speakers I am using? (OFF, 60Hz, 80Hz, 120Hz). [*]As I am using a high level input for the signal for my powered subwoofer, will limiting the low frequencies on the Alpine unit result in the subwoofer not getting a decent signal for the bass? [*]The gains for both the front and rear speakers on the Alpine unit are set to 0 (as the sound distorts heavily when this is increased), however I am still getting clipping at moderate volume. Is this likely to be limitations of the speakers, or could it be something else? [*]I've found the subwoofer performs fine with most bass frequencies, however struggles with anything really low. What do you recommend as a good starting point for the crossover/gains on the subwoofer? [/LIST] Would really appreciate any advice. Thanks! [/QUOTE]
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