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1 Forum: Speaker «» Posted on: Sun, 20 April 2008 00:05 «» By: real_one
Audibility Of Loudspeaker Distortion
Klippel is making a statistical analysis of people's threshold of audibility of distortion. You can take the test right now on your computer, as long as it is connected to a good sound system.The test is an "enforce blind A/B comparison" meaning: 1. You c...
2 Forum: Speaker «» Posted on: Sun, 04 March 2007 06:08 «» By: Marlboro
Re: anyone tried equidistant spacing?
My thought is to space the tweeters equidistantly - probably packed tightly together at the middle and expand to maybe 3" apart at the ends of the line. That way I would get earlier nodes but it should blur the frequency where I get nodes making them (hop...
3 Forum: General «» Posted on: Wed, 01 February 2006 15:37 «» By: Duke
Re: Earl Geddes chapter on Measurements now online
Hi Akhilesh,Earl focuses more on measurements as a means to get enough useful information about what a loudspeaker is really doing, but he does give some interesting psychoacoustic information along the way regarding audibilty of THD and group delay. Ap...
4 Forum: Speaker «» Posted on: Fri, 16 December 2005 14:05 «» By: akhilesh
What measurements matter to audibility?
Very interesting discussion below on the goodness of Voigt pipses versus folded VPs versus Straight MLTL versus back loaded horn. The bottom line question from a listening perspective is: which of these isses are audible? For example, is the superiority o...
5 Forum: Speaker «» Posted on: Fri, 24 December 2004 14:47 «» By: Earl Geddes
Re: Another perspective
The problem with 40 x 90 is that direct radiating sources can't have this pattern and its hard to keep a constant coverage angle as the frequency goes down.The shorting ring is probably the only distortion (I'm only talking non-linear distortion here) in ...
6 Forum: Speaker «» Posted on: Sun, 19 December 2004 13:49 «» By: tomservo
Re: Accuracy versus subjective preference, yes
If one presumes that the speakers job is to reproduce the music as opposed to be part of its production (as in a guitar amp etc), then one can look at it from the perspective of the speaker deviating from an ideal device where what goes is in = what comes...
7 Forum: Speaker «» Posted on: Thu, 15 January 2004 02:41 «» By: Adrian Mack
Re: Rationale for single driver speakers
Hi AkhileshPhase shifts can be minimized well below audibility, so thats not a concern in a multi-way system. Comb filtering between subsystems can also be highly minimized by using steep order crossovers, controlled dispersion horns, close driver spacing...
8 Forum: Pi Speakers «» Posted on: Sun, 10 August 2003 23:35 «» By: Adrian Mack
Push Pull Subwoofers
Hey Wayne,In a recent post of yours regarding the audibility of phase, you mentioned that you were going to do an article on push-pull subwoofers. Did you ever get around to this? They interest me too, and having the cones directly coupled and wired out of...
9 Forum: Pi Speakers «» Posted on: Tue, 01 July 2003 08:22 «» By: Wayne Parham
Re: Audibility of Phase
I agree with you, 100%. The condition of rooms in most North American homes is such that a good quality loudspeaker will usually sound pretty good, but there is definitely more influence by the room than anything else. There are walls and tables and pets...
10 Forum: Pi Speakers «» Posted on: Mon, 30 June 2003 11:39 «» By: Wayne Parham
Audibility of Phase
Mike Baker sent me an excellent article today about the audibility of phase in loudspeakers, written by Rod Elliot. I had planned to make the next little tidbit be about push-pull woofers, 'cause they are on my mind these days. But I'll save that one for...
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