3.5" sub in a huge box with a really large passive radiator? - Page 4 - diyAudio
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Old 28th January 2013, 08:27 PM   #31
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LOL....yeah I was just trying to be nice about that aspect....
carry on!
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Old 28th January 2013, 09:04 PM   #32
Satyr is offline Satyr  United States
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For the OP, a 3.5" subwoofer doesn't really exist because the physics simply don't work out. And, in a passive radiator enclosure enclosure, even if it wasn't huge- it still wouldn't work. (I cringe every time I see some "ipod" clock radio, or.... wait for it.... EARBUDS claim to have "subwoofers in them." Ugh.)

I think the smallest "subwoofer" driver I've seen (with specs that make any sense) was a Tang Band 6.5 with... was it 30 Hz RF? I'm not sure, but I was surprised, considering the TS parms. I'm not saying that there aren't others out there, but this is the smallest driver that my software could do anything with, and it would still not be with output that would "rock the block" or whatever. Good advice to grab some software and play around with it- several of my projects came from randomly plugging drivers into software- and seeing what they would do.
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Old 30th January 2013, 05:27 PM   #33
bjorno is offline bjorno  Sweden
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Originally Posted by realflow100 View Post
..How much bass could it really put out?..
Hi realflow,

Here are a couple of simulations using small drivers in not that large boxes:


PS: Performance is targeted, not SPL.
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File Type: jpg 3x---4inch_subs.jpg (422.4 KB, 65 views)
File Type: jpg BR-or-ML-TL.jpg (972.8 KB, 59 views)
File Type: jpg Dayton Audio DS115-8.jpg (844.6 KB, 52 views)
File Type: jpg TB_W4-1658SB_Bookshelf_subs10-18L.JPG (464.7 KB, 49 views)
File Type: jpg TB-W3-1876S.jpg (836.7 KB, 47 views)
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