13 w7 vs 12 fi q with bp option

Everyone I've talked to told me the oposite, and the BLs I've heard were much louder than the Qs. I really wish I could get my bro to meter his BL 12 (in a really crappy ported box) because I know it's low 140s, unless it's one of those crazy sounds-much-louder-than-it-meters deals.
Well, once again according to the Big 12" challenge, the premiere Fi SPL subwoofer, the 12" Fi BTL fully loaded and as its most optimal performance levels performed a whopping 1.69db higher on average than the Fi Q.

The BL is the smaller level spl subwoofer than the BTL....

 
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