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500 Search Results Found |
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Forum: Speaker «»
Posted on: Tue, 01 November 2011 22:23 «»
By: Wayne Parham
Re: Constant Directivity Speakers Using DSP
Thanks for your comments. I took a few minutes to write-up some notes about the design process for a speaker like this, regardless of what kind of crossover is used (active, passive, analog or digital).
Notes for the DIYerI am able to get very good on-...
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Forum: Speaker «»
Posted on: Tue, 01 November 2011 20:48 «»
By: AudioFred
Re: Constant Directivity Speakers Using DSP
The final verdict is that the speakers sound better using the active crossover. Getting it right took quite a bit of experimenting, but this is much easier with a fully adjustable active crossover than it would have been substituting parts in a passive cro...
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Forum: Pi Speakers «»
Posted on: Tue, 01 November 2011 17:48 «»
By: Wayne Parham
Notes for the DIYer
Several new loudspeaker projects have been started that are similar to my three π and four π loudspeakers. So I'm getting lots of PMs and posts asking what I'd do about this and what I think about that. Most seem to be concerned with the crossover, thi...
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Forum: Speaker «»
Posted on: Wed, 26 October 2011 21:02 «»
By: Wayne Parham
Re: Constant Directivity Speakers Using DSP
As you know, this is a design approach that I'm very experienced with. The Econowave borrows heavily from my designs, and I see the builders of those speakers as kindred spirits. In fact, the configuration you describe is exactly the same as my three π...
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Forum: Pi Speakers «»
Posted on: Mon, 10 October 2011 16:04 «»
By: Marc321
Re: 4Pi crossover question
Thanks. I'll get started on the crossover for 3 - 4 pi's. Might take awhile for completion of everything but I'm satisfied that I have the best solution going for what I want. It's been a long research journey (DIY designs, QSC horns, JBL, QSC cinema desig...
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Forum: Pi Speakers «»
Posted on: Sat, 08 October 2011 19:07 «»
By: skywave-rider
Re: LAB12
You could build one up passively.
Or you could go cheap active, such as: Use the LF portion of a Behringer CX3400. About $100.00.
It will sum L&R out with variable low band x-o starting at 44 Hz. You could use the crossover in that to send a fil...
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Forum: Silicon Valley «»
Posted on: Thu, 29 September 2011 20:59 «»
By: Wayne-o
Re: Active Sub Crossover
Well, this is a very good post. Distorted op amps give solid state a bad name. This is evident in most all receivers and amps that started using them in the late 70,s and early 80,s.
Changing out the op-amp Ic,s and the capacitors makes all the differen...
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Forum: Speaker «»
Posted on: Thu, 22 September 2011 17:54 «»
By: Wayne Parham
Re: Multi sub hook-up question
No, you'll want to low-pass the subs, meaning you'll need some kind of crossover. For flanking subs (nearest the mains), you can use a simple coil in series, but this will only work if the subs are as close to the same sensitivity as the mains (which is...
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Forum: Pi Speakers «»
Posted on: Wed, 21 September 2011 17:59 «»
By: gofar99
Re: subwoofer use for old cabinets
Hi Wayne, Funny thing, I have a pair of the Pyles. I was considering making some upgrades but haven't gotten around to it. Another alternative that is not costly is to get a pair of XM1 kits from Marchand (on the web. These are 24 db/oct active crossove...
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Forum: Pi Speakers «»
Posted on: Wed, 21 September 2011 15:49 «»
By: Wayne Parham
Re: subwoofer use for old cabinets
Don't high-pass the mains, let them run wide open. Low-pass the subs depending on their distance from the mains. If you only have a couple subs, make them flanking subs and low-pass them around 90Hz. Put the mains on stands, and put the subs on the floor...
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