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spice model for omega 15 pi 4 [message #40044] Sat, 25 January 2003 09:52 Go to next message
djstan is currently offline  djstan
Messages: 26
Registered: May 2009
Chancellor
Thanks for the info on using my 16 ohm md2001. You suggested the
replacement components in the spice model program, using the 16 ohm driver but i don't have a copy of the spice model. Thought it might be in your pi information on your web site. Can you please forward.
Thanks
Re: spice model for omega 15 pi 4 [message #40045 is a reply to message #40044] Sat, 25 January 2003 15:32 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18723
Registered: January 2001
Illuminati (33rd Degree)
I didn't include Spice models of every driver in the distribution archive. It's pretty easy to do though, a simple model can be made using Re and Le of the voice coil. This is sufficient for most analysis of woofers, where the crossover is primarily affected by the behavior of the driver at frequencies far above the resonant frequency of the woofer/cabinet system.

Tweeters and midrange circuits are a different story, since resonant behavior affects the crossover filters. So I would recommend that your models include tank circuits that describe the resonant behavior for midrange and high-frequency subsystems. But for a woofer, you can usually use a simple model and expect reliable results.

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