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<blockquote data-quote="zoltman1991" data-source="post: 8886767" data-attributes="member: 691561">Ok so answers to your questions, then I&#039;d like to tell you my theory.1: Haven&#039;t checked voltages yet. I noticed I do have a slight voltage drop. 13.5 when on and idle. Lights dim upon bass notes. I have AGM in hood. Ordered OFC 0awg for big three. Hoping this resolves.2: Yes. It&#039;s a solid &quot;x&quot; frame + whatever the&nbsp; seats are made of and their backing. Rear deck is solid carpet lined plastic. Rattle is disgusting, so it&#039;s eating a lot of the air I&#039;m sure. 3: Right now, the sub is literally an inch or two away from ceiling of trunk. Rear port has plenty of room around. If I rotate to sub out/port up, port would likely have 3-4 inches from ceiling, again with rear having plenty of space.Ok. the fun part. my theory. Part of me is wondering if the Lexus ES350 mark levinson amp only sends the LOW frequencies to the 8&quot; stock sub, which the LC2i is tapped from. I have two door 6x9, but these are only low-end - no vocals. My thought is maybe 8&quot; signal is dedicated from 30-50, while 6x9 is 50+. I don&#039;t think this is likely. I really think it&#039;s another issue at hand. This would be more cumbersome to resolve as I&#039;d have to then look into DSPs ro acquire all signals and sum them. How likely do you think this theory is correct? I feel a Lexus luxry car with the upgraded Mark Levinson sound system would have a &#039;full-range&#039; low-end signal to it&#039;s stock 8&quot;.</blockquote>

[QUOTE="zoltman1991, post: 8886767, member: 691561"] Ok so answers to your questions, then I'd like to tell you my theory. 1: Haven't checked voltages yet. I noticed I do have a slight voltage drop. 13.5 when on and idle. Lights dim upon bass notes. I have AGM in hood. Ordered OFC 0awg for big three. Hoping this resolves. 2: Yes. It's a solid "x" frame + whatever the seats are made of and their backing. Rear deck is solid carpet lined plastic. Rattle is disgusting, so it's eating a lot of the air I'm sure. 3: Right now, the sub is literally an inch or two away from ceiling of trunk. Rear port has plenty of room around. If I rotate to sub out/port up, port would likely have 3-4 inches from ceiling, again with rear having plenty of space. Ok. the fun part. my theory. Part of me is wondering if the Lexus ES350 mark levinson amp only sends the LOW frequencies to the 8" stock sub, which the LC2i is tapped from. I have two door 6x9, but these are only low-end - no vocals. My thought is maybe 8" signal is dedicated from 30-50, while 6x9 is 50+. I don't think this is likely. I really think it's another issue at hand. This would be more cumbersome to resolve as I'd have to then look into DSPs ro acquire all signals and sum them. How likely do you think this theory is correct? I feel a Lexus luxry car with the upgraded Mark Levinson sound system would have a 'full-range' low-end signal to it's stock 8". [/QUOTE]

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