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<blockquote data-quote="platty13" data-source="post: 368148" data-attributes="member: 552212">I am in the process of upgrading my system in a Chevy Tahoe to an SQ/SQL system and I need some sub advice. I have already purchased my frontend equipment and I will driving Morel components (tweeters, 4&quot; mid&#039;s &amp;amp; 9&quot; midbass) with a TRU Technology 4.100 and a TRU 2.200, with a Fosgate/Denon HU. I have also purchased a TRU Tech M-1 Hammer (4 Ohm: 600W x 1;2 Ohm: 1000W x 1; and 1 Ohm: 1500W x 1) to power my sub(s). I currently have 2x 12&quot; Alumapro Alchemy&#039;s in a sealed custom box, and I love the SQ of them but I sometimes wish they went much deeper and louder. Therefore, I was thinking of upgrading to either 2x 12&quot; Re HC&#039;s or 1x15&quot; XXX. I was actually thinking of going 2x12&quot; XXX, but I don&#039;t think 1 Hammer would be enough power to drive them sufficiently. Therefore, could someone please give me some advice on the following:--Has anyone used a 15&quot; sub in a SQ/SQL install? How did it perform? Do you think a 15&quot; XXX would blend well with my frontend components, or do you think it wouldn&#039;t be tight enough or fast enough? Will 1x15&quot; XXX hit hard enough in a large vehicle like my Tahoe?--Do you think I would be better off using 2x12&quot; HC&#039;s instead? How about 2 XXX&#039;s, do I have enough power?--I would like to do a sealed enclosure, is this advisable for this setup? Will a ported box tuned low sound musical enough?Sorry about all the questions, I am fairly new to car audio. Also, I have already invested quite a bit already and I would like to do it right. Any advice would be greatly appreciated.</blockquote>

[QUOTE="platty13, post: 368148, member: 552212"] I am in the process of upgrading my system in a Chevy Tahoe to an SQ/SQL system and I need some sub advice. I have already purchased my frontend equipment and I will driving Morel components (tweeters, 4" mid's & 9" midbass) with a TRU Technology 4.100 and a TRU 2.200, with a Fosgate/Denon HU. I have also purchased a TRU Tech M-1 Hammer (4 Ohm: 600W x 1;2 Ohm: 1000W x 1; and 1 Ohm: 1500W x 1) to power my sub(s). I currently have 2x 12" Alumapro Alchemy's in a sealed custom box, and I love the SQ of them but I sometimes wish they went much deeper and louder. Therefore, I was thinking of upgrading to either 2x 12" Re HC's or 1x15" XXX. I was actually thinking of going 2x12" XXX, but I don't think 1 Hammer would be enough power to drive them sufficiently. Therefore, could someone please give me some advice on the following: --Has anyone used a 15" sub in a SQ/SQL install? How did it perform? Do you think a 15" XXX would blend well with my frontend components, or do you think it wouldn't be tight enough or fast enough? Will 1x15" XXX hit hard enough in a large vehicle like my Tahoe? --Do you think I would be better off using 2x12" HC's instead? How about 2 XXX's, do I have enough power? --I would like to do a sealed enclosure, is this advisable for this setup? Will a ported box tuned low sound musical enough? Sorry about all the questions, I am fairly new to car audio. Also, I have already invested quite a bit already and I would like to do it right. Any advice would be greatly appreciated. [/QUOTE]

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