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In Reply to: RE: Thanks. How different are the Emilar horns (really) than 811Bs? posted by gilmorneau on October 02, 2016 at 20:29:53
"Woofers are 414A's in just over 5 cu ft."
How did you tune this enclosure? I'm working on something similar but still deciding on cabinet volume and tuning.
Thanks,
Randy
Follow Ups:
mine are built from the plans in the link. you can modify the internal volume by adding material to the interior of the cabinet, and you'll need to cut a different 'sub panel' for the 414 vs the 15 inch speaker the cabinet was designed for.
Actually, I didn't tune them at all, per se. They're a version of the Altec 612 cabinet built to mimic the Lansing Iconic enclosure. They're a little smaller than the later versions of the 612, and, while I liked the sound of Altec 416A's in them, I liked the 414A sound better. Not as much bass, of course, but much better mids and integration with the horn.
Doing some quick calculations, it seems the boxes are tuned to about 32Hz, but I may still mess with that. Easy enough to do--just cut another baffle with different size port--but for now I'm happy to listen.
Thanks! Do you have a link to the cabinet design? I can only find the standard 612 and the 614. It would appear that 4-5 cu ft seems to be the sweet spot for 414's. I suppose that I could simply wing it and tune it to 40 hz with a simple port.
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