If 8" woofer needs .75+ cuft for optimum, should I only include one in my box?

[Jonnyiphone]

I have a 2013 F150 Crew Cab and I want to build a box under the back seat. I can see from others that have posted their boxes online that there is about .65 cuft per speaker in a box back there. Since my 8" says it needs .75 to 1.25 cuft for optimal sound then would it be better to only include one woofer in my box?

I once took 10"s out of a box and cut holes bigger for 12"s and I lost a lot of bass...

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[kr15 5,000+ posts]

A sub in an optimal box, will almost always outperform a larger sub in a crammed box

 

[ilikeradios 10+ year member]

Your post confuses me, are you saying you currently have 2 subs in a box that is .65 each side?

 

[Jonnyiphone]

No, I am about to build a box but I need to decide what will give me the best performance in a box with roughly 1.3 cuft. Should I buy two woofers or is that overkill for the space I have and wouldnt just one 8" sound better with the limited space?

 

[Popwarhomie 5,000+ posts]

Get 2 sundown sa-8s or E 8s. They are good in 0.5 to 0.75 each.

 

[Boomin_tahoe 5,000+ posts]

I have a 2013 F150 Crew Cab and I want to build a box under the back seat. I can see from others that have posted their boxes online that there is about .65 cuft per speaker in a box back there. Since my 8" says it needs .75 to 1.25 cuft for optimal sound then would it be better to only include one woofer in my box?
I once took 10"s out of a box and cut holes bigger for 12"s and I lost a lot of bass...

Well yeah...bigger subs that usually require more airspace.