Posted November 18, 200519 yr I am a new owner of a SI D2 Mag 12" Version 2 subwoofer. I need help with a box. This sub will play 65Hz and down and will be powered by a US Amps 900Watt at 12 volts amp. My car runs at 14.6 Volts.The rest of my system will be this. CDT ES520's in the kicks 150 Watts. CDT EF8's for midbass on the doors 300 Watts. The ES's will play 250 Hz and up. The EF8's will play 65Hz to 250 Hz. The SI sub will play 65 and down. Everything will be powered by US Amps. I am a SQ guy, so at first I would say I am looking for a SQ sub box design. However I have to ask , if I have 8's up front doing the midbass, and the SI sub is only doing 65Hz and down, will SQ even matter? If it does then by all means I am looking for the best SQ box possible. If not, then just any killer box will do!If you can help me THANKS!!
November 18, 200519 yr The recommended box of 1.5 cubes sealed will be just fine for your application.
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