Open baffle field coil project - diyAudio
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Old 4th December 2010, 12:54 PM   #1
jonjin is offline jonjin  United Kingdom
diyAudio Member
Join Date: Feb 2008
Default Open baffle field coil project


Just got my hands on some field coil 8" from Germany - cheapo Sachsenwerk and easily available. I have put them in an open baffle and they do sound nice but are obviously bandwidth limited and when I did rough measurements, start rolling off at 300Hz. Therefore I'm up for suggestions on something that can fill in the lower 2 octaves. Something efficient enough and I would have thought 12" considering it needs to go that high.

I did think about the Supravox 285 but these are not so easily available in UK.


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Old 6th December 2010, 11:19 AM   #2
diyAudio Member
Join Date: Jan 2002
Location: Tyrone Ga. U.S.A.
Have you looked at the OB articles by Martin king ? I believe in one design he uses
2 of the emmince alpha 15A drivers crosed over to a lother driver crossing the 15A's
over at 200hz and the lother at 300hz. By the way just how cheap and easy to get
are those drivers?
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