my new BIB (again...)

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nirvana

nirvana

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Joined 2007
#1
supravox signature 215 bicone
 

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#12
caisson RJ

OB is great for mid and high freq.
I dont want to miss bass . In BIB, the bass is very good and i
think the caisson RJ will produce good bass too.

i will try soon. picture of caisson RJ (mantra sound )
 

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#14
Claude,

Thanks for your replies. I like the sound very much. I have them mounted a 12x48in front panel with two hinged wing panels, one 10x48, and the other one 8x48. When I figure out how to post some pictures, I will do it. I'm embarrassed to say the wing panels are only fastened with duct tape. I just have not gotten around to a more permanent arrangement. Looks like your driver is mounted on a removable panel. Do you use this bib for other drivers? Thanks.

Jon
 
#15
For interest's sake, 1/2 space plot showing the relative differences in LF performance between the drivers assuming the BIB cabinet dimensions refered to above. The 12in AN needs a much larger Vp to 'breath' (as in about 84ft^3)so I imagine that its LF & midband sounded somewhat choked & lacking in transient attack. To a lesser extent, I'd expect something similar from the Supravox, as that high Q also wants a very big pipe (about 45.5ft^3). YMMV of course & there are other factors to consider too. Personally, I'm a big fan of Supravox drivers, even though they generally need very large cabinets.
 

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#16
supravox 215 signature bicone

Scottmoose, please give me dimms for "perfect cabinet" for my
supravox 215 signature bicone.

thank you very much for the graph.spec. What do you think about
supravox TQWT design and the caisson RJ from SUPR. too ?



Claude
 

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#17
Scottmoose, please give me dimms for "perfect cabinet" for my supravox 215 signature bicone.
Click to expand...

You could do it yourself easily enough via the various spreadsheet dimension calculators here: http://www.zillaspeak.com/bib-howtobuild.asp

As I mentioned, you'd need a very large cabinet of ~45.5Ft^3 (each), making for a box of 67.25in x 28.75in x 40.625in (internal HxWxD). Relatively weak motor + highish Vas = large Vp.

What do you think about supravox TQWT design and the caisson RJ from SUPR. too?
Click to expand...

I prefer not to, in the former case. Nothing like enough volume. The latter is a trad. sort of cabinet, but not of a type I personally like all that much.
 
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