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Hi all

I have just bought two 12 Alpine type r 12d2s 1000 RMS each.

I am looking to put them in  ported enclosure but need help on what size to use. I'm looking for deep loud and low bass with the best frequency respose possible. I am able to fit a 4 cubic foot box in my trunk after port displacement and sub displacement.

Also if I tune to say 32hz will I get enough bass upwards of 45hz or will it start to roll of/

Also what size port should I use I was thinking 3 inch wide 12 high

does port size affect frequency response such as making the response shorter or longer.

Hope some one can be of assistance

 

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