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21 inch subs? who makes good ones ?


Masterbasser

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still tryna decide which way to go on my 2007 Yukon xl build, have 3 370 amp alts quad bracket, 4 dd m5s 2 80 ah lithiums and 3 group 31 agms

was thinkin about staying behind the 3rd row with maybe 4 15s or 2 21s? anyone know the cone area of a 21 inch sub? don't see it on most charts

post pics if ya got em

Kenwood excelon ddx795

 3 370 amp CES alternators (audio side only)           
       McLaren dome tweeters                                   Crescendo 6.5 ultra neos 
                                                 NVX JAD800.4
                                            4 PA x4 SPL 18's
                     4 Digital Designs m5's at .7 ohms each
        2 K2 80 ah lithiums

                              3 group 31 agms                                       Ledglow million color (12 piece)

2007 Yukon xl

 

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how does that compare with an 18? I see charts of 8-18 size at inches, no 21s tho lol. I dunno I'm just looking for options I suppose even a good 21 wontt ake 2 dd m5s daily anyways, maybe 4 15s back there would be better, but I feel like that wouldn't be loud enough

Kenwood excelon ddx795

 3 370 amp CES alternators (audio side only)           
       McLaren dome tweeters                                   Crescendo 6.5 ultra neos 
                                                 NVX JAD800.4
                                            4 PA x4 SPL 18's
                     4 Digital Designs m5's at .7 ohms each
        2 K2 80 ah lithiums

                              3 group 31 agms                                       Ledglow million color (12 piece)

2007 Yukon xl

 

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Stereo Integrity makes 24" subs. Their current flagship is rated for 5000 watts RMS, but they teased on their Facebook page that they'll soon start offering a new model that takes even more than that.

Sundown as already mentioned can also build you 24" subs.

A 24" sub has almost as much cone area as 2 18" subs. Take a look at the "SD" parameter of the sub, that's the effective cone area of the sub.

*New vehicle and system coming soon.*

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