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495 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Fri, 17 May 2019 09:33 «»
By: Wayne Parham
Re: Three Pi performance at low volumes
It's not an issue if you incorporate flanking subs, which also solve the problem of self-interference from nearest boundaries and room modes at the higher end of the modal region.
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Forum: Room Acoustics «»
Posted on: Sun, 21 April 2019 10:41 «»
By: Wayne Parham
Re: Improving acoustics in living room
The "most valuable change" is the one that provides the most benefit. That wasn't meant as an impertinent reply, but rather to highlight the fact that different environments have different problems.
The most common problems indoors are rela...
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Forum: Pi Speakers «»
Posted on: Tue, 12 March 2019 14:43 «»
By: Wayne Parham
Re: 3 Pi plans
That sure is a nice looking pair of three π speakers! I like the stands they're on too. They'd be perfect for use with flanking subs.
The way to implement flanking subs is to use the left and right preamp outputs as input signals for the left and ri...
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Forum: Pi Speakers «»
Posted on: Fri, 01 March 2019 10:11 «»
By: Wayne Parham
Re: 3 Pi plans
Flanking subs are really just "helper woofers" except that they are generally tuned to provide deep extension. That way you get both benefits - Blending in the 75Hz to 150Hz range gives SBIR smoothing and extension below that gives more deep b...
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Forum: Room Acoustics «»
Posted on: Thu, 28 February 2019 09:13 «»
By: Wayne Parham
Re: Making your audio sound better
Check out the links below and then do further study by searching terms like "room modes," "multisubs" and "flanking subs." Might also study the concept of the "reverberent field" and the difference between the &qu...
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Forum: Pi Speakers «»
Posted on: Thu, 28 February 2019 08:59 «»
By: Wayne Parham
Re: 3 Pi plans
Those look stunning!
To improve the upper midbass and lower midrange, you have two options that come to mind right away:
1. Upgrade the midwoofer to the Definimax 4012HO. It's a drop-in swap, with only a single capacitor change on the crossover. ...
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Forum: Pi Speakers «»
Posted on: Mon, 03 December 2018 17:29 «»
By: Wayne Parham
Re: Amp for 4pi speakers
I would describe 100-300Hz as midrange. The fundamentals of human vocals are there; Middle C on the piano is in this range. So it isn't bass at all - It's midrange. And, yes, I think having the speakers on stands will modify the sound in this range. ...
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Forum: Pi Speakers «»
Posted on: Fri, 30 November 2018 09:40 «»
By: Wayne Parham
Re: Amp for 4pi speakers
The flanking subs did exactly what I would have expected, which was to reduce 15dB ripple in the 100-200Hz region to 6dB ripple. That's a "textbook case" of what to expect. Flanking subs can smooth the range a little lower than 100Hz - usua...
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Forum: Pi Speakers «»
Posted on: Tue, 27 November 2018 12:21 «»
By: Wayne Parham
Re: Amp for 4pi speakers
It looks like you've done a very good job already, and I have no doubt you'll tweak your system further to make it even better still.
Congratulations!
You're "working with what you've got," which is what 90% of us have to do. High-qualit...
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Forum: Pi Speakers «»
Posted on: Tue, 27 November 2018 03:34 «»
By: vandevoordekoen
Amp for 4pi speakers
Hello
Thanks to Wayne, I've built a set of 4pi speakers a few years ago.
However, the room acoustics of our living room are far from ideal.
We have an L-shaped room and this is the best aesthetic speaker setup:
The 4pi speakers aren't toed-in, ...
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