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| Re: Theater 4 or 3 Pi in Onken enclosure? [message #43932 is a reply to message #43915] |
Fri, 13 February 2004 05:29   |
JLapaire
Messages: 156
Registered: May 2009
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Master |
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Tightwad, I can't see the image in your post - is it similar to the above? I've used deep slots for tuning with some success when for whatever reason a tube wouldn't fit. I think they're more resistive than tube ports though and care is needed when the height/width ratio gets large. John
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| Re: Theater 4 or 3 Pi in Onken enclosure? [message #43938 is a reply to message #43932] |
Fri, 13 February 2004 12:03 |
Tightwad
Messages: 41
Registered: May 2009
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Baron |
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Yes, exact same thing. Here's a link to the page from which the picture comes. It's the original Jensen Ultraflex design. I've found an Onken calculator (Excel spreadsheet) online which yields volume and vent numbers from T-S params.
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| Onken calculator [message #43980 is a reply to message #43955] |
Tue, 17 February 2004 11:49 |
Tightwad
Messages: 41
Registered: May 2009
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Baron |
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Here is a direct link to the Excel file, from James Melhuish's web site. I believe an Onken bass box is still the standard accompaniment to the Oris horns, so if you are interested check out Oris's web page. I have tried hunting around for Onken's article on the design, with little luck.
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