Sub + Amp Combo for 4th Order

[hcivic91 10+ year member]

I've done some research since my first posting and I've learned a lot. The plan is to install a single 12" in a 4th order bandpass vented through the rear deck of my Lexus GS. My current train of thought is to pick up an AQ1200d to power a single SunDown, DD or RE 12". But I am unsure how to pick which sub will offer the best value in a 4th order enclosure. In addition, I am in search of an efficient amp because I do not want to upgrade my electrical at the moment.

Help on any of these matters is highly appreciated.

Thank you,

Joseph

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[hispls 5,000+ posts]

1200W amp is really pushing it with a stock electrical system. You may be able to get away with it, but you should be prepared to wear out alt and battery much more quickly than normal use.

Search the forum and figure out which subs have had good results in BP alignment. Some do and some don't. I heard 4 DC 12's (forget what level) at the Sanford, ME show last year that sounded excellent.