Amplifier for sundown audio X-15 or 2 American bass XFL 12"s?

[Audio freak]

I'm looking for an amplifier for my sundown audio x 15 that will run it at around recommended power or a little more. It's going to be a daily driver and in a large enclosure so it's not going to need to much power. I'm having a custom enclosure built soon about 6-8 cubes and tuned to low to mid twenty hertzs. I have around 250- 300 dollars as of now to spend but could wait and go 400-500 dollars if need be. What would you recommend for an x15? My other option is to buy a nice amplifier for 2 American bass xfl 12"s I have and put the kicker cx1200.1 on the x15. The kicker actually should give the x15 1400 watts or so cleanly and with the size of the enclosure I'm having built I think that will be OK. It gets the xfls moving alot cleanly right now so I'm thinking it could be good fit for the x15. What's your oppinion? If you agree that the kicker could work out with the x15 then what would be a good amp for the 2 xfl 12"s? Also daily drivers and will be getting a larger enclosure for them as well around 5 cubes.

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[quakerroatmeal 10+ year member]

Sundown recommends the x15 in a 4.25cuft box. Why do you need a 15 in a 6-8cuft box? Box that size would use an 18" sub.

 

[Boomin_tahoe 5,000+ posts]

Agreed. Unless he's gonna do a t-line enclosure but I don't think that's enough cu ft. for that sub that he gave.

Any amp will power a sub lol

 

[Audio freak]

I'm just looking to build an enclosure that will get low with a big 6" port. Larger enclosure means less power to get loud so I'm happy with that. I'm tuning real low around 21-27hz. As far as AB XFLs go I'm staying around 5cubft 30-33hz tuning. Are these bad dimensions for these subwoofers?

 

[adulbrich 5,000+ posts]

Any amp will power the sub. However, I ran one on a beefy 3.5k amp. I must have been getting some ridiculous rise, because it didn't seem to move too much even at maximum amplifier output. Depending on your enclosure, you'll need some power on tap to be impressed with this sub