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15 inch bass horn driver [message #46614] Wed, 30 March 2005 22:49 Go to next message
Tom A. is currently offline  Tom A.
Messages: 12
Registered: May 2009
Chancellor
Has anyone ever used the Dayton PF385-8 in a front loaded horn or a pi aligned bass horn like the 7 pi? Its parameters are nearly identical to a klipsch K-33, but it has much greater power handling capability. The Peavey 1508-8 looks very similar to some of the JBL drivers recommended for bass horns. Does anyone have any experience with these? At first glance, either of these look as good as most of the eminence drivers and the Peavey is less than half the cost of a JBL. Any experiences or help would be very appreciated.

Thanks for the help.

Tom

Re: 15 inch bass horn driver [message #46615 is a reply to message #46614] Thu, 31 March 2005 00:06 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18683
Registered: January 2001
Illuminati (33rd Degree)

What are the T/S specs?


Re: 15 inch bass horn driver [message #46616 is a reply to message #46615] Thu, 31 March 2005 02:50 Go to previous messageGo to next message
Tom A. is currently offline  Tom A.
Messages: 12
Registered: May 2009
Chancellor
Wayne, the T/S parameters according to the Parts Express catalog are Dayton-[ Fs=36hz SPL=97db Vas=7.04 cu.ft. Qms=8.85 Qes=.39 Qts=.37 Xmax=6mm 500Wrms]Peavey-[ Fs=34.8 SPL=97.9 Vas=7.34 cu.ft. Qms=8.78 Qes=.242 Qts=.235 Xmax=4.6mm 600Wrms].

Re: 15 inch bass horn driver [message #46617 is a reply to message #46616] Thu, 31 March 2005 03:57 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18683
Registered: January 2001
Illuminati (33rd Degree)

The Dayton speaker is tuned to be a drop in replacement for the JBL 2226, Eminence Omega 15, Kilomax 15, Magnum 15HO, etc. It's obviously targeted for this application and looks like it will perform quite well in boxes from 2.0ft3 to 8.0ft3 tuned to 40Hz. PiAlign recommends 2.6ftft3 tuned to 36Hz, so it's basically suggesting it be used in the Stage, Premium or Professional Series four π or seven π loudspeakers.

The Peavey driver needs a smaller box or a horn. It is suitable for use in 0.7ft3 to 3.0ft3 cabinets tuned to 55Hz. I imagine its best used as a midrange or wide range driver.


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