Guys,
I found this website http://www.thielesmall.com/

First, lets begin with definition of these (found when u select the speaker type - X/Vas/Qts/Fs/Sens/Pmax/Xmax)
well these terms i think is use by this web..

but here are the normal terms:

- Efficiency Bandwith Product
- Vas in Liters
- Total Damping
- Nominal Free Air Resonance Frequency
- Sensitivity in dB at 1 m
- Nominal Maximum Power
- Half of peak to peak (mm)

err anybody mind to explain?

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Added on March 5, 2008, 6:04 pmwaa.. no sifu willing to download ilmu?

btw... what 'Nominal Free Air Resonance Frequency' mean?
how effective the woofer in free air use?

This post has been edited by tasriri: Mar 5 2008, 06:04 PM

I believe if you googled it will get more info than here. bro. too technical liao.