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93 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Sun, 23 January 2011 16:45 «»
By: Wayne Parham
Re: 4 pi with alternate compression drivers
Yes, acoustically the crossover is pretty close to a 4/4. The main thing we're looking for is a clean forward lobe with the center pretty much straight forward and vertical nulls approximately equally spaced above and below the speaker, outside the horn...
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Forum: Pi Speakers «»
Posted on: Sun, 23 January 2011 13:44 «»
By: dryfly_6x
Re: 4 pi with alternate compression drivers
Hi Wayne:
been studying the plans /crossover and have a few questions: any need to recess drivers? any strong preference between mdf and baltic birch for cabinets?
I assume from the 3rd order topology that the crossover is something close to a LR...
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Forum: Pi Speakers «»
Posted on: Thu, 06 January 2011 16:37 «»
By: Wayne Parham
Re: Help with tweeter to woofer distance please
With direct radiators, closer is better in almost all cases. The thing you have to juggle is the fore/aft spacing and crossover phase. With first-order, it's a pretty good rule of thumb to align the voice coils on direct radiators but that only really ...
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Forum: Speaker «»
Posted on: Tue, 26 October 2010 11:05 «»
By: Wayne Parham
Re: Blown Speakers - Failure Modes
I agree with you, generally, as long as people use reasonable care in their equipment purchases, they should expect their loudspeakers to last a lifetime. This is true in the commercial high-fidelity and home theater markets, at least, because the power...
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Forum: Pi Speakers «»
Posted on: Sun, 05 September 2010 20:35 «»
By: rkeman
3 Pi Review
Introduction
The life of an audiophile is often complicated and filled with frustration. Several years ago I relocated and left behind a dedicated listening room with superb acoustics that seemed to bring out the best in any speaker. My new listening ro...
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Forum: Pi Speakers «»
Posted on: Fri, 02 July 2010 15:02 «»
By: Wayne Parham
Crossover optimization for DI-matched two-way speakers, revisited
I usually fine-tune the position of the forward lobe by adjusting the low-pass circuit slightly. I know within about 10° where the centerline of the forward lobe will be before I start, because of mathematical models or previous design efforts or both. ...
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Forum: Swap Meet «»
Posted on: Wed, 03 February 2010 13:22 «»
By: prow2
Numark NS7 DJ Turntabel Controller.........$900
We gladly welcome you to PAUL ROW DJ EQUIPMENT LIMITED, we are dealers of all kinds of Dj Equipment Such as Mixers, Speakers, Headphones Gears and many more. All our products are brand new,Original , comes with complete accessories and they also come with ...
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Forum: Swap Meet «»
Posted on: Tue, 01 December 2009 19:22 «»
By: newton09
For Sale: Pioneer DJM--1000 Mixer, Pioneer CDJ-2000 Turntable
We gladly welcome you to NEWTON DJ EQUIPMENT LIMITED, we are dealers of all kinds of Dj Equipment Such as Mixers, Speakers, Headphones Gears and many more. All our products are brand new, Original, comes with complete accessories and they also come with 1 ...
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Forum: Speaker «»
Posted on: Wed, 30 September 2009 08:23 «»
By: Marlboro
Symmetrical and asymmetrical slopes in crossovers
Rick has made several references to the use of asymmetrical slopes in crossovers.
While I'm only knowedgeable about this aspect of crossover design by reading about it, but not in its use, I wonder if someone might share something about this.
As I un...
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Forum: Speaker «»
Posted on: Thu, 06 August 2009 21:04 «»
By: Villain3g
First speakers - a little ambitious - curved array
When I finally decided to build a pair of speakers, I knew that I wanted to do something different. I also wanted it to be relatively "simple". The first thought was a single full range driver in a transmission line but they look like conventiona...
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