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141 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Mon, 22 August 2022 17:01 «»
By: Wayne Parham
Re: My 3π adventure
Measured in-room, I think your response curves are pretty good. This is typical in-room response. Looks to me like all is working as designed.
In-room measurements show the room more than they do the speakers. But having a waveguide speaker really ...
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Forum: Pi Speakers «»
Posted on: Thu, 17 February 2022 15:00 «»
By: Wayne Parham
Re: Recessed baffle and speaker grills
Speaker grilles are sometimes a "necessary evil." They do create a little bit of self-interference because they aren't perfectly transparent, acoustically. But they are close enough to the source that the self-interference isn't too bad, almo...
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Forum: Pi Speakers «»
Posted on: Fri, 01 October 2021 08:38 «»
By: Wayne Parham
Re: 4pi build with stands finally realized
It's hard to say from your response chart, because it looks like a mix of on-axis and off-axis, e.g. power response. Were you measuring indoors, perhaps?
If so, measure outdoors or setup your equipment for a pseudo-anechoic measurement. Place the mi...
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Forum: Pi Speakers «»
Posted on: Mon, 20 September 2021 14:22 «»
By: Wayne Parham
Re: 4pi Speakers - Are My Tweeters Wired Incorrectly?
You've got 'em wired right, and both sets of charts show you that.
As Chris said, a response chart will show a deep notch (greater than 10dB) on-axis around 1.2kHz if the tweeter or woofer is wired backwards.
And an impulse chart should show a spik...
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Forum: Home Theater «»
Posted on: Tue, 17 August 2021 08:11 «»
By: Wayne Parham
Re: 3pis built & subs purchased. Finalizing Placement in AT Baffle Wall
That will probably work just fine. Do set it all up on stands and audition it before committing though. One of the things required for flanking subs to work is an unusually high frequency low-pass on the subs. This provides blending in the upper midba...
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Forum: Room Acoustics «»
Posted on: Tue, 24 November 2020 19:09 «»
By: Wayne Parham
Re: Same stereo/speakers different sound
Rooms definitely have a big influence on the sound. Think about how things sound in a small room (like a bathroom) compared to a large room (like an auditorium).
The most significant influence is from room modes and self-interference from boundaries....
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Forum: Speaker «»
Posted on: Tue, 08 September 2020 13:02 «»
By: Wayne Parham
Re: Radian 475PB
That's awesome, Bruce! The forward lobe is right where you want it to be! Nulls roughly equally spaced and far apart, outside the vertical beam.
As for the nearby boundaries - side and rear wall - give a helper woofer setup a try. It will provide t...
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Forum: Pi Speakers «»
Posted on: Tue, 02 June 2020 17:43 «»
By: Wayne Parham
Re: Corner horn listening distance
Since your room has a front wall span of just under twelve feet across, the best area to listen to the cornerhorns in your room is in the area between about six feet back and twelve feet back from the front wall. You can sit more distant than that and i...
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Forum: Pi Speakers «»
Posted on: Thu, 30 April 2020 09:32 «»
By: Wayne Parham
Re: 4Pi plan request and question.
You've got mail!
I recommend you use flanking subs with these speakers. This isn't done just to add extension, but also to provide modal smoothing and reduce self-interference anomalies from nearest boundaries. Some people also like to run one or tw...
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Forum: Pi Speakers «»
Posted on: Mon, 17 February 2020 15:13 «»
By: Wayne Parham
Re: Three Pi and Three Pi Sub Plans
That's right, exactly. Set the SPL so that 100Hz is the same level as 200Hz and 300Hz. What you'll also get is a reduction in the amplitude of the dip that results from self-interference from the wall behind the speakers and also reduction o...
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