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π three-way passive crossover 250Hz/1.6kHz [message #40098] Thu, 30 January 2003 21:25 Go to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18683
Registered: January 2001
Illuminati (33rd Degree)
Just a quick word to let you know that I'm now stocking three-way passive crossovers as are used in the π cornerhorns for JBL 2245/2123/2426 or 2241/2012/2426. They're purpose-designed for three-way π cornerhorns, but they are also suitable for other systems that use a woofer, large-format cone midrange and small-format compression horn, with or without horn loading of the woofer and midrange sections.
Re: π three-way passive crossover 250Hz/1.6kHz [message #40101 is a reply to message #40098] Fri, 31 January 2003 04:39 Go to previous messageGo to next message
813 is currently offline  813
Messages: 1
Registered: May 2009
Esquire
Hi Wayne

Is there a chance of an active valve 3-way crossover too?

Your version of the 2-way crossover is interesting,
but a 3-way would be even better. And the crossover points
is just what is needed for my own speakers.

All the best

Jan

Re: π three-way passive crossover 250Hz/1.6kHz [message #40104 is a reply to message #40101] Fri, 31 January 2003 11:18 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18683
Registered: January 2001
Illuminati (33rd Degree)
Sorry, no, I don't have plans to develop an active three-way crossover any time soon. I'll not be doing any further audio development work until at least 2nd quarter 2003 because of other commitments.
Re: π three-way passive crossover 250Hz/1.6kHz [message #40154 is a reply to message #40098] Wed, 05 February 2003 02:36 Go to previous messageGo to next message
Pilkar is currently offline  Pilkar
Messages: 19
Registered: May 2009
Chancellor
Hi Wayne!

Are the plans for this crossovers avaiable? Where can i find them?

Thanks

Re: π three-way passive crossover 250Hz/1.6kHz [message #40159 is a reply to message #40154] Wed, 05 February 2003 13:09 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18683
Registered: January 2001
Illuminati (33rd Degree)
The HF section uses compensation circuitry exactly like my two-way systems. And the MF and LF sections can be padded to suit. Each of these parameters is set for the specific application and optimized to fit the particular needs of the design.
Re: π three-way passive crossover 250Hz/1.6kHz [message #40162 is a reply to message #40159] Wed, 05 February 2003 15:17 Go to previous messageGo to next message
Pilkar is currently offline  Pilkar
Messages: 19
Registered: May 2009
Chancellor
Hi!

Thanks! For the HF i will use the same filter as the two way speakers... for the midrange i will go with 1st or 2nd... only a question about this: how do i figure the values for the bandpass? is a LF filter in series with a HF filter (at 250 and 1600 respectively) or is there something else to look at?

Thank you Wayne for all your help!

Pilkar

Re: π three-way passive crossover 250Hz/1.6kHz [message #40164 is a reply to message #40162] Wed, 05 February 2003 15:37 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18683
Registered: January 2001
Illuminati (33rd Degree)
I'm using a first-order crossover on the low to mid, because wavelengths are long and overlap isn't a problem. For the mid to tweeter crossover, it's very similar to what's used in the two-way design.
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