Inetba Posted August 29, 2015 Report Share Posted August 29, 2015 1996 Accord station wagon. Resonance frequency is 51hz. 1 DD 615 in a 4.4 cubic foot box tuned to 31 hz.1 DD M1d, ~700 watts @ 2 ohms.1 XS 3400 battery.1 300 amp alternator.Box specs: 16.5"x30"x20". 5/8" MDF no bracing. Single baffle. 5.9" round port. Metered it today and hit 141.38 @ 43hz sealed. 135.xx average on music for 30 seconds. I was standing outside the car so this was also at idle.My next box, I will make sure to make the port MUCH larger. Until then my 715 is on order and it'll be dual 2 ohm so I can really stretch the legs on this amp. I might see if I can fit another 6" port somewhere to raise the tuning. Don't really feel like losing my low lows though. Link to comment Share on other sites More sharing options...
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