What do the numbers mean?

Ken448
10+ year member

Get off my lawn.
I am continuing my long search for subs, and looking at numbers I have no clue what they mean.. Can someone shed some light? Im sure I am not the only one this will help!

Force Factor -Bl: 15.4

Electrical Q Value -Qes: 0.38

Mechanical Q Value -Qms: 4.21

Total Speaker Q Value -Qts: 0.34

Free Air Resonance -Fs: 22.8 Hz

Equivalent Compliance -Vas: 27.1 liters

One-Way, Linear Excursion -Xmax: 12 mm

 
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Ken448

10+ year member
Get off my lawn.
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