CorNut Posted July 10, 2014 Report Share Posted July 10, 2014 (edited) I have a .5 cu ft box in my car that I was wanting to throw an external port on in order to use an SA-8 v2. I haven't ordered it yet since I started to wonder if the SA-8 (400w rms) v1 or SD-2 8 (300w rms) would be better for my application. My amp is a Kappa FIVE 5-channel amp with a sub channel that's rated 350w @ 2ohm so I was looking at getting a D4 with whichever I go with. I'm looking for SPL, would the v2 that's 600w rms still be better for me or would me under powering it actually make it quieter than either of the other 2 options? Thanks for your help Edited July 10, 2014 by CorNut Quote Link to comment Share on other sites More sharing options...
ToNasty Posted July 10, 2014 Report Share Posted July 10, 2014 sa8 needs more room than .5 Quote ***Super Sellers List***http://www.stevemeadedesigns.com/board/topic/25829-super-sellers-buyers Link to comment Share on other sites More sharing options...
CorNut Posted July 10, 2014 Author Report Share Posted July 10, 2014 sa8 needs more room than .5 ah, for some reason I thought they all wanted .5 by SA are you referring to all SA, 1, 1.5 & 2? The SD is good for .5 ported? I'm trying to reuse my factory sub box (.48 cu ft to be exact but I figure that's close enough to .5) Quote Link to comment Share on other sites More sharing options...
ToNasty Posted July 10, 2014 Report Share Posted July 10, 2014 dont forget to take away sub displacment Quote ***Super Sellers List***http://www.stevemeadedesigns.com/board/topic/25829-super-sellers-buyers Link to comment Share on other sites More sharing options...
CorNut Posted July 10, 2014 Author Report Share Posted July 10, 2014 dont forget to take away sub displacment oh the .5 doesn't include that? well dang. I guess it won't work out for me eh? sucks Quote Link to comment Share on other sites More sharing options...
CorNut Posted July 10, 2014 Author Report Share Posted July 10, 2014 The front of my factory box is flat, I can cut 2 pieces of 3/4" mdf the shape of the box and sandwich them between the box and another piece of MDF to cut back out to 8" and it will add 1 cu ft of airspace to accommodate the subwoofer displacement and the extra .02 my box needs to total .5. Is doing that a bad idea? It sounds like the sundown 8's are good SPL for small applications but you're saying .5 isn't enough for the SA's? I know their specs say .5 is ok but real world they're not? Does nobody know about the SD-2's? Is this just more work than it's worth or something? Am I thinking these are louder than they really are? is my box being converted to accommodate a sealed 10 (Phoenix Gold RSd) going to be just as loud as a ported SD-2 8 or SA-8 v2 with my current setup? Quote Link to comment Share on other sites More sharing options...
bmxscion Posted July 10, 2014 Report Share Posted July 10, 2014 Best bet is to just build the correct box for whatever sub you decide to use. Quote Build Log Here: http://www.stevemeadedesigns.com/board/topic/161307-scion-xb-sundown-mechman-xs-power-rockford-fosgate-jbl-build-log/ You Tube Here: https://www.youtube.com/user/korndoggg31?feature=mhee Link to comment Share on other sites More sharing options...
gally Posted July 10, 2014 Report Share Posted July 10, 2014 no VS threads Quote 2010 Chevrolet Cruze Radio --- pioneer mvh-200vbt Front/back --- alpine type s 6.5" Sub Control --- Pac LC1 Sub Amp --- GZPA 1.4K Sub --- GZNW 15XSPL D1 Battery - GZBP 12.2500X Link to comment Share on other sites More sharing options...
TRTC360 Posted July 10, 2014 Report Share Posted July 10, 2014 no VS threads you do realize by saying no vs threads you're rentamodding? so you're breaking the rules too, besides this isn't a vs thread, it's not x brand against y brand, it's 2 sundown subs, he's asking which would suit his application better. To the OP, i'd run the SA-8v2 over the SD any day. 2 Quote '93 Firebird Formula V8 H/U- Kenwood eXcelon KDC-X395 Mids/Highs Amp- Hifonics ZXI80.4 Wiring-KNU RCA's, Speaker Wire, And Two Runs Of Trystar 1/0 G34 Red Top and a 180amp Ford Alternator www.youtube.com/TRTC360 Link to comment Share on other sites More sharing options...
CorNut Posted July 10, 2014 Author Report Share Posted July 10, 2014 (edited) no VS threads you do realize by saying no vs threads you're rentamodding? so you're breaking the rules too, besides this isn't a vs thread, it's not x brand against y brand, it's 2 sundown subs, he's asking which would suit his application better. To the OP, i'd run the SA-8v2 over the SD any day. the 350w won't limit it too much? I am actually wanting to use the SA v2 but wanted to make sure my amp isn't too small Edited July 11, 2014 by CorNut Quote Link to comment Share on other sites More sharing options...
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