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499 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Sun, 29 March 2009 08:23 «»
By: Champion
Re: Active crossover for 3Pi
So that is the tube implementation? Is there an opamp circuit as well? I prefer solid state so I don't need a high voltage supply ...Thanks.
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Forum: Pi Speakers «»
Posted on: Sun, 29 March 2009 02:55 «»
By: Wayne Parham
Re: Active crossover for 3Pi
Yes, it would work just fine for the three or four π speakers. There was a PCB available from Gary Kaufmann back when I did the Spice model, so hopefully you can still get them from him.
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Forum: Pi Speakers «»
Posted on: Sat, 28 March 2009 20:32 «»
By: Champion
Active crossover for 3Pi
Hi Wayne,I have read about the opamp implementation of active crossover for 4Pi. Is that suitable for 3Pi as well? Have anyone designed a Kit?Thanks.Regards,Jacky
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Forum: Pi Speakers «»
Posted on: Tue, 17 February 2009 11:48 «»
By: Wayne Parham
Re: LAB-12 CROSSOVER ?
I use an active crossover with 90Hz 12dB/octave low-pass slope. Sometimes, it is good to go a little higher, sometimes a little lower. Don't high-pass the mains, let them blend. The further away the subs are, the lower the low-pass frequency for the su...
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Forum: Speaker «»
Posted on: Mon, 16 February 2009 12:20 «»
By: Wayne Parham
Baffle step and collapsing directivity
I was just in another discussion with some folks that considered baffle step correction a mandatory step in crossover design. I don't dismiss it entirely, but I do think it is sometimes given too much emphasis. Another thing I noticed is that these peop...
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Forum: Speaker «»
Posted on: Fri, 06 February 2009 18:56 «»
By: jphaggar
DEQX
I know Jim Griffin and Rick Craig are using DEQX processor/active crossover , I am actually using DCX 2496 from behringer that already outperformed the passive crossover by a good margin , there is no dout the difference is huge in price and quality , bu...
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Forum: Speaker «»
Posted on: Fri, 23 January 2009 12:25 «»
By: Wayne Parham
Re: low pass/crossover and different ohms help
A passive crossover requires a specific load to work with. Too large resistance and it is underdamped, making a peak near the crossover frequency. Too little resistance and it is overdamped, making a shallower slope than expected. In either case, the c...
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Forum: Pi Speakers «»
Posted on: Tue, 21 October 2008 18:29 «»
By: badman
Target transfer function for 4pi?
Hi Wayne: I have some of the JBL 4725s I'd previously asked about, and an active crossover. I'd love to see what this similar driver/cab configuration sounds like with the 4Pi crossover function, but need to know what I'm shooting for in terms of FR sha...
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Forum: Speaker «»
Posted on: Sun, 21 September 2008 11:23 «»
By: Scott L
Design Stage : a 4-way system
An open invitation for those of you familair with building a 4 way system. I'd like to hear your thoughts.My concern is the lowest x-over frequency. Right now, 60 Hz is the choice.Below 60 Hz will ultimately be infinite baffle bass. No concern there. Wher...
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Forum: Speaker «»
Posted on: Mon, 08 September 2008 13:04 «»
By: Marc G
Salvaging my misguided array Help Fred
I thought I had chosen compatible drivers but my buyout Foster meets Dayton neo dome array circles the drain. I chose the Foster woofers over the extended range drivers as the midrange looked a lot smoother. It all started out as a Tallerey, I then saw ...
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