Novak Posted September 6, 2013 Report Share Posted September 6, 2013 I was wanting to upgrade from 2 e8v3 on a mrxm100 alpine mono so I looked around and noticed sundown had a new sub line the x series I saw the price and I ordered it so I have the sundown x-12 d4 and I went to look up some specs, now my problem is I don't know where to start with the box I know ill tune to mid 30s so like 33 or 35hz but as for the size of the box no idea I have built boxes for many set ups but not one with a sub like this 98 honda civic hx build in process have need sundown x-12 d4 more sound deadening sundown saz1500d v2 alternator (mechman) sky high 1/0 w/ big 3 false walls and fiberglassing amp rack (half done) and box processor kicker zx 200.4 (mids/highs) infinity reference components trunk lid rear deck and rear quarter panels deadened kinetic hc1400 under the hood (picking up 2 more late Jan early feb) check it out http://www.youtube.com/watch?v=1wF0CV2NaX4 November 9th, 2013 metered 140.3 at Midwest audio &detailing sealed on dash w/ termlab (w/ old alpine amp, new amp yet to be metered) Link to comment Share on other sites More sharing options...
Novak Posted September 6, 2013 Author Report Share Posted September 6, 2013 specs are re------3.7 ohm fs------24.35 qes---.37 qms---4.38 qts----.35 le------3.76mH sd-----457cm^2 vas---38.02L bl-----22.35 na mms-333g cms--127 um/n sens-83.35 db 1250 rms 98 honda civic hx build in process have need sundown x-12 d4 more sound deadening sundown saz1500d v2 alternator (mechman) sky high 1/0 w/ big 3 false walls and fiberglassing amp rack (half done) and box processor kicker zx 200.4 (mids/highs) infinity reference components trunk lid rear deck and rear quarter panels deadened kinetic hc1400 under the hood (picking up 2 more late Jan early feb) check it out http://www.youtube.com/watch?v=1wF0CV2NaX4 November 9th, 2013 metered 140.3 at Midwest audio &detailing sealed on dash w/ termlab (w/ old alpine amp, new amp yet to be metered) Link to comment Share on other sites More sharing options...
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