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Dayton Audio DC380-8 15" Classic Woofer
I am building cabinets for these woofers and I really want the low extension. I will not be pushing high wattage (below 30wattsrms), I just want the low extension at low wattage. So should I go ported? If so, how long of ports, how big of box?
For low power I would recommend a ported enclosure. Ideal volume would be 5.75 cubic feet per woofer, with a single 4" diameter, 8" long port for a tuning frequency of 23 Hz.
Date published: 2014-10-17
I would like to replace my 15" woofers in DIY cabinets, If i paired this with a new 3 way crossover could i get it to range from 40hz to 800/1000hz in a sealed 4.5ft^3 that's the sweet spot i need.
This woofer will cover that range without a problem in that volume.
Date published: 2014-03-03
Automotive recommendations sealed/proted enclosure size?
running parallel to amp with 200-250 watts. Could the enclosures mentioned in previous question work?
A 2 cubic foot sealed enclosure would be ideal for this in an automotive application. It will give you an F3 of 50 Hz which is right where you want to be.
Date published: 2013-09-09
Sealed, vented, how big?
For a music application, F3 ~30Hz or so, what size and type of enclosure is optimized so to speak for these woofers?
This is the closest call I have ever seen. With the box at 3.5 cu ft you could go with ported or sealed. The port will extend slightly lower but the numbers are so close that I would probably stick with sealed just for the difference in power handling. Basically you are looking at a 2db difference at 30 hz and a sharper rolloff with the port so it looks like sealed would be a better choice but only barely.For the record I have two of these in sealed chambers of 3 cu ft and for music they are terrific. The extra .5 feet might make them slightly better for low extension but I haven't tried it to test.
Date published: 2012-01-21