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General Car Audio
First audio upgrade: Head Unit vs ???
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<blockquote data-quote="derekcohen" data-source="post: 8840964" data-attributes="member: 688805"><p>Okay, I am getting ready to be certified. Here is another possible upgrade ...</p><p></p><p>I watched this video:</p><p></p><p>[MEDIA=youtube]JGTXvq2h4LA[/MEDIA]</p><p></p><p>It involves installing a Alpine ilx-702d in a Porsche 911 996. The 702d is the forerunner of the 507a, which I am getting. The 996 is essentially the same car as my 986 (actually, it is identical in the areas of relevance).</p><p></p><p>The issue is that the 702d cannot connect to the factory amp (which is also in my car) as it has 4 outlets (and there are 6 speakers). The solution here is to install 2 x Alpine KTP-445U power packs (each has 4 outlets). Link to these units here: <a href="https://www.crutchfield.com/p_500KTP445U/Alpine-KTP-445U-Power-Pack.html" target="_blank">https://www.crutchfield.com/p_500KTP445U/Alpine-KTP-445U-Power-Pack.html</a></p><p></p><p>Clearly there will be a lot more power on tap. My understanding of more power is greater headroom and lowered distortion. This is with my hifi hat on. The question is whether this is a necessary upgrade, that is, whether this car system will actually benefit from an extra 45 wpc (or RMS x 4). The ilx-507a is rated at 16 watts rms. The video indicates that the extra power+702a transformed the factory speakers. But I wonder whether the result would have been the same without the extra amps? Also, the 507a is a new amp.</p><p></p><p><strong>Does it have outputs for 3 sets of speakers, or does it actually need the extra amplifiers to drive all 6 of the speakers?</strong></p><p></p><p>Regards from Perth</p><p></p><p>Derek</p><p></p><p></p><p></p><p></p><p></p><h3></h3></blockquote><p></p>
[QUOTE="derekcohen, post: 8840964, member: 688805"] Okay, I am getting ready to be certified. Here is another possible upgrade ... I watched this video: [MEDIA=youtube]JGTXvq2h4LA[/MEDIA] It involves installing a Alpine ilx-702d in a Porsche 911 996. The 702d is the forerunner of the 507a, which I am getting. The 996 is essentially the same car as my 986 (actually, it is identical in the areas of relevance). The issue is that the 702d cannot connect to the factory amp (which is also in my car) as it has 4 outlets (and there are 6 speakers). The solution here is to install 2 x Alpine KTP-445U power packs (each has 4 outlets). Link to these units here: [URL]https://www.crutchfield.com/p_500KTP445U/Alpine-KTP-445U-Power-Pack.html[/URL] Clearly there will be a lot more power on tap. My understanding of more power is greater headroom and lowered distortion. This is with my hifi hat on. The question is whether this is a necessary upgrade, that is, whether this car system will actually benefit from an extra 45 wpc (or RMS x 4). The ilx-507a is rated at 16 watts rms. The video indicates that the extra power+702a transformed the factory speakers. But I wonder whether the result would have been the same without the extra amps? Also, the 507a is a new amp. [B]Does it have outputs for 3 sets of speakers, or does it actually need the extra amplifiers to drive all 6 of the speakers?[/B] Regards from Perth Derek [HEADING=2][/HEADING] [/QUOTE]
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First audio upgrade: Head Unit vs ???
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