how can i find out what this box is tuned to?

[npcout 10+ year member]

Is there a calculation I can use, I believe I have all of the specs?

BOX 1

Box volume: 0.89 cubic feet

H- 11.5

W- 16

D- 15

1 port

Port Diameter- 1-3/4"

Port Length- 19-1/2"

Total port volume: 0.21 cubic feet

BOX 2

Total Box volume: 1.0 cubic feet

H- 14

W- 16.5

D- 14

Port volume: 0.2 cubic feet (per port)

Port dimensions: 19"D x 1-1/2"W x 12-1/4"H

Also one last question, typically, the larger the port, the lower the tune? Is that correct? I am just curious, I am new to this!

thanks guys!

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