Sorry, but that is 100% not true... there are very good sounding
speakers in the world that have relatively high "SPL", i.e. sensitivity.

Granted, driver designers sometimes sacrifice sensitivity to achieve
lower Fs, or for other reasons, but it's never the only solution.

JD

Avanti wrote:

"Johan Wagener" wrote in message
...


what parameters determines the performance of a subwoofer? XMax is how


much


the cone can move in and out?(bigger better)



Not necessarily.

; Fs - the lowest frequency


(lower better?) ;



Not necessarily.

SPL - higher better?

Definately NOT.
Better sounds subs will always have a low SPL.