Originally Posted by kaigoss69
Actually, I just looked up the specs on the 12W7 again and the Pt (Pe) is 1000W so I'd say you're good! At 1000W, keeping the same 25Hz 4th order subsonic filter, your calculated xmax is 24 mm at 29Hz.
Many thanks for reassuring the value of Pe.
From my experience, I guess I am running approx 750-800W with bass boost turned on. It already gets really loud, but I guess I will adjust the gains as per instructed.