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18's for 10pi's [message #45647] Wed, 20 October 2004 18:49 Go to next message
john is currently offline  john
Messages: 32
Registered: May 2009
Baron
I see the 10pi's are designed for a 15-inch driver. Is it possible to "adapt" for an 18-inch woofer, which would mean making the woofer "box" bigger. A lot of times multiplying ALL the dimensions by 1.2 was the suggested way, but is that what is necessary here, or are using 18's just plain a bad idea. Thanks.


John

Re: 18's for 10pi's [message #45648 is a reply to message #45647] Wed, 20 October 2004 20:31 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18787
Registered: January 2001
Illuminati (33rd Degree)
You can run PiAlign to calculate what size ten π's are right for your drivers. I'd suggest using only woofers with Qts less than 0.35.

Re: 18's for 10pi's [message #45664 is a reply to message #45648] Thu, 21 October 2004 21:19 Go to previous messageGo to next message
john is currently offline  john
Messages: 32
Registered: May 2009
Baron
Having a Mac, whithout the translator program I can't open the PiAlign file you mentioned. At this point you've already let me know the 18's I have won't work anyway as they have a Vas of 17.77, a Qts of .37 (which is higher than you recommend) and an Fs of 24.2. One of these days I'll have to get a computer that runs Windows just for projects like this. Thanks for all your help on this. What is your thought on the EV15L / EV 15B. ? Thanks!!!!


John

Re: 18's for 10pi's [message #45667 is a reply to message #45664] Thu, 21 October 2004 22:23 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18787
Registered: January 2001
Illuminati (33rd Degree)

Those EV's are great speakers. I'm a big fan of JBL Pro and the new Eminence Magnums, but there are plenty of other good drivers I like a lot too. Your EV's, TAD's and Altecs are good examples.

How about using a PC emulator on your MAC? PiAlign.exe is an "old school" DOS program that doesn't take much to run. So you'll be able to use it just fine with an emulator.


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