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<blockquote data-quote="codycr6" data-source="post: 5739133" data-attributes="member: 555443">I use four inexpensive 10&#039;s in the rear deck of my Fairlane... I only run around 50RMS per sub. The Qtc is around .57, and Fs is around 30Hz, and the sound is outstanding. As said, no SPL vehicle, but it does make for a very strong, consistent bassline. My car is fairly noisy (radical engine, free flowing exhaust, some wind noise), so I need enough spl to get above this. I would guess spl&#039;s to be in the 130&#039;s with music. I use two PPI Powerclass amplifiers, a PC250 on the subs and a PC450 on the kick panels, center channel, and rear fill. I loose no trunk space (mine are in the rear deck, mounted with 3/4 MDF) and when the fabric grille is on, pretty much invisible to onlookers. Also, unless you bend down while looking in the trunk, you probably will not notice them then.Look for a Qtc between .5-.7, be aware that the low frequency rolloff is slower than sealed, so with a low Fs the response will get really strong down low.</blockquote>

[QUOTE="codycr6, post: 5739133, member: 555443"] I use four inexpensive 10's in the rear deck of my Fairlane... I only run around 50RMS per sub. The Qtc is around .57, and Fs is around 30Hz, and the sound is outstanding. As said, no SPL vehicle, but it does make for a very strong, consistent bassline. My car is fairly noisy (radical engine, free flowing exhaust, some wind noise), so I need enough spl to get above this. I would guess spl's to be in the 130's with music. I use two PPI Powerclass amplifiers, a PC250 on the subs and a PC450 on the kick panels, center channel, and rear fill. I loose no trunk space (mine are in the rear deck, mounted with 3/4 MDF) and when the fabric grille is on, pretty much invisible to onlookers. Also, unless you bend down while looking in the trunk, you probably will not notice them then. Look for a Qtc between .5-.7, be aware that the low frequency rolloff is slower than sealed, so with a low Fs the response will get really strong down low. [/QUOTE]

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