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In Reply to: RE: 30 or 40 ? posted by claudej1@aol.com on August 30, 2014 at 10:12:15
This is about a perfect match for what you need, try it with a 6dB/oct first!
Note: PPSL boxes measure a bit more efficient than they model, so it should match well at the 150hz crossover point.
The green excursion curve is with 500W and no eq, the yellow is with 1KW (peak)and a Q=2 at 27hz filter.
Edits: 09/03/14 09/03/14Follow Ups:
How high will this sub go? I need something that
will go up to 350Hz.
Hi Dennis,
I am a bit confused by the modelled sensitivity in your sim. This is four drivers, voice coils in series, drivers in parallel for 4ohm system. Given the 89.6db/w per driver, shouldn't this result in 95.6db/w for the four, or 98.6db/2.8v? Where is the extra 3db coming from?
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"When Khruschev said "we will bury you" I don't think he meant with surplus parts." zacster
How about two less expensive 15's instead?
Are you kidding?
The 12's are about $50 each, do you know of some 15's that would be less than $100 each and work properly?
I don't.
Those 12" drivers perform very well. I have a pair of the 10's in sealed boxes only 1 cu. ft., and they work great.
sorry, I didn't look at the brand and type closely. Looks like it's very dollar efficient too.
Dimensions?
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