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6 SA12's, Ported volume recomendations?


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I'm building a ported enclosure for a customer with 6 SA12's on a American Bass VFL500.1, I know I need to go smaller to take advantage of the powerhandling these can take, but what's recommended volume wise and port area wise for these if I'm putting 6k to them?

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I would go with 12 cubes and around 140-150" of port tuned around 34-35. I was running my 6 sa 12's in box to those specs and it worked fine. I have a build log on here with the set up.

I tried tuning from 28 up to 44 and port size from 88" up to 196, and the 140-150" of port tuned around 34-35 seem to work the best. But I also was only running a single SAZ3500 on the so a bit less power..

Head Unit: Alpine CDA 9887

Sub Amps: 4 RF2500's

Subs: 8 SA-12's Walled

Comp Amp: 1 RF600.2 (for now)

Comps: (4) 6.5 Punch Mid Pros and 2 Punch Pro Tweeters

Batteries: (1) XS D5100 (5) D3100

Power Cables: 2 runs of 2/0 power and ground each front to back(Try-Star)

Alternator: Dual Mechman Rhino 250's

Deadener: Fatmat / Damplifier Pro

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