T/S parameters question..

speakerdude123
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Okay so I just downloaded winISD and I'm putting in the t/s parameters for my woofer but I can't seem to find the BL and Pe specs anywhere. I have a 12" type R (4ohm) woofer, the newer one too.

I think the Pe is the RMS rating on the speaker but I'm not sure.

Anyone know what they are or how to find them?

Can I leave it blank?

EDIT: I have been playing with it and it seems as though some of the parameters don't really matter, I can put a value in and it won't change the SPL graph.

 
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