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In the Forum: Horn-Loaded Speakers
In the Thread: Good midbass is complicated, if not unobtainable.
Post Subject: Pictures - Third Time's a CharmPosted by skushino on: 9/28/2013
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Another very quick post - I have guests arriving from Japan in a couple of hours.  Will respond more thoughtfully when I have some free time.

University Dean plans: 

Mouth - 1080 in^2

Throat - 78 in ^2

S(d) - 132.7 in^2

Compression ratio - 1.70

Path length ~ > 1.3 m

If my math is correct, the profile should be valid for horn loading down to around 55 Hz


university dean plans-2.jpg

C-15W Dual Impedance Woofer:

This woofer does in fact have dual coils.  Agreed this is one of many unknowns affecting the sound.  I like the idea of having the ability to vary the impedance as another tool in shaping the final sound.  In addition to these drivers, I have others to audition in this horn, including Altec 515G and EVM-15.  The back chamber in the horn appears adequately large to optimize for various drivers.

University C-15W.jpg

C-15W Nude:
University C-15W Nude.jpg

Dean Horn Exposed:
Dean Horn Exposed.jpg



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