AVS Forum Addicted Member
Join Date: Jul 2006
Location: New Hartford, NY
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Not a fair comparison, try the 25hz tune vs 25hz on the 20hz tune of the ultra. Why? Because the PB13 ultra in the 20hz tune has no ports closed which is ideal for output and the PB/plus/2 had one port closed for 20hz, not ideal. With all ports open it is a 25hz natural tune. I was told a long time ago that the Plus 2 was more powerful 25hz and above and the ultra was better down low. Of course the ultra is no slouch above 25hz and has better sound quality to boot!
There is a reason I went DIY, massive SPL for the price.
Marantz 7702 Atmos
3 Inuke NU4-6000 amps for all speakers.
Speakers- 7 Behringer B215XL's, 4 212xl's for ceiling speakers.
Front subs 12 SI 18ht ported SLLT powered by Inuke 6000
Rear subs 2 XXX ported SLLT powered by IPR2-7500.