Plans for a mid-bass tractrix horn? - diyAudio
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Old 27th June 2011, 11:10 PM   #1
jdubs is offline jdubs  United States
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Default Plans for a mid-bass tractrix horn?

Guys, I want to pursue something like this:

Bass cabinets

But I need better plans. Is there anything else out there like it? Seems pretty ideal for blending with my Unity horns at ~300hz....and it goes down low (enough - 45-50hz).

Thanks!
Jim
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Old 28th June 2011, 12:30 AM   #2
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Dual 15 PPSL is probably your best be to match up with a Unity Horn as it will provide uniform dispersion between the sub and the horn.
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Old 28th June 2011, 01:53 AM   #3
jdubs is offline jdubs  United States
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Moray, can the dual 15 PPSL run up high enough (300hz or so), frequency-wise, though - and if so, does it sound good that high?

Thanks for the idea.

-Jim
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Old 28th June 2011, 02:03 AM   #4
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The PPSL should be able to reach up to 300Hz, but it really depends on the drivers and the geometry of the cabinet's slot.

I don't think I agree with the above statement that the dispersion is necessarily going to match between the two sections.
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Old 28th June 2011, 04:09 PM   #5
jdubs is offline jdubs  United States
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Guys, given my application, what would be the recommended PPSL design and 15" driver complement?

Thanks,
Jim
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Old 28th June 2011, 05:01 PM   #6
fmena is offline fmena  Canada
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Default 80 Hz midbass horn?

See link for 80Hz midbass horn (click sidebar link for diy 80 Hz midbass horn)

inlowsound.com

Hope this helps

Cheers
FM
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Old 28th June 2011, 05:59 PM   #7
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Quote:
Originally Posted by jdubs View Post
Guys, given my application, what would be the recommended PPSL design and 15" driver complement?

Thanks,
Jim
Don't limit your selection to just 15in drivers.
Do a search here (and audio asylum) for PPSL and DJK.
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Old 28th June 2011, 07:24 PM   #8
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Expo 15 since this is what you were asking for I think.
Info on how to blend a PPSL woofer with a Unity Horn about as good as it gets.
William Cowan's Homepage look under heading of Unity Horn. Best regards Moray James.
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Old 29th June 2011, 04:50 AM   #9
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Quote:
Originally Posted by moray james View Post
Info on how to blend a PPSL woofer with a Unity Horn about as good as it gets.
William Cowan's Homepage look under heading of Unity Horn. Best regards Moray James.
Sounds terrific, but it's not push pull.
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Old 29th June 2011, 05:13 PM   #10
jdubs is offline jdubs  United States
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Guys, I like Eminence drivers...how about plans for 15" Eminence Kappa PPSL? I've done a LOT of searching and can't find actual plans for such cabinets.

Thanks,
Jim
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