higher freq. box design question

[GrayMatter4tw 10+ year member]

For my senior design project we are building a test apparatus and testing insertion loss, transmission loss, etc. for some parts for caterpillar

My task is to make the speaker box.

The frequency range they requested we test was 100 Hz to 8 kHz.

so we got a speaker that does well enough.

if youre interested heres the spec sheet,

My question is what Fb am I looking to achieve?

I was thinking 100 would get the job done while keeping the box rather small...its not all that important were just going to be running pink noise through the speaker.

Want a small box so this test apparatus is more portable.

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