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 mobiele eenheid wrote:

 Actually IIRC the LF has about 5.5 mm of X-max and can be used in large reflex boxes 
Don't get fooled by the appearance of the Kappa 15 LF based only on it's T/S-parameters!
In any (not unreasonable) large reflex enclosure it wont withstand more than an approximated 400 to 500 Watt before reaching the Xmax . That's kinda sad for a speaker rated at 600 Wrms. The SPLmax won't be that good either. At least not any better than most budgetspeakers will perform.
By the way IIRC means? 
Cheers 

Well my friend, take the NEXO LS500 with his original RCF 15 inch loudspeaker L15P540, these parameters are good for this 6th order Band Pass cabinet like the NEXO LS500??
I don't think so! But yes NEXO uses this RCF speaker!!
I have four copies of NEXO LS500 loaded with Eminence Kappa 15 LF (600Watts/8 Ohm) driven with one Crown XTI 4000 without problems the last 2 years.
RCF L15P540 fs= 50Hz
Kappa 15LF   fs= 38Hz

Check for yourself the parameters and simulate with both...

Chau!

Tot de volgende keer!

Dave