What type of Box for a Shiva Mk4?

[PhatalOne 10+ year member]

I just purchased two Adire Shiva Mk4's for my daily driver and I want to know what type of box I should put it in. I'm thinking of a vented box about 2 cubic feet tuned to somewhere like 22-30 Hz. I've seen vented recommendations tuned all the way down to 18Hz. My main goal is to get the most low end out of the sub i can. They will be powered at 600 WRMS each.

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[jemorgan85 10+ year member]

That enclosure sounds good for the woofers. If you want to tune your box that low it would be fine, but the real output will be around 28 hertz.

 

[PhatalOne 10+ year member]

I found some plans from Adire for a 85L with a final tuning of 20Hz and a 95L (3.3 cu ft) box with a final tuning of 22.2Hz. It looks like they were designed for home theater use but I believe the dimensions would fit in my trunk fine. Would it be a good idea to use these box plans?