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499 Search Results Found |
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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: Wed, 28 November 2018 15:17 «»
By: vandevoordekoen
Re: Amp for 4pi speakers
Thank you for the answer, Wayne. I've read the post through and I realised that this was exactly what I tried to do a few years ago in our previous house!
This was my setup with (temporary) flanking subs:
This was the measurement with one ...
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Forum: Pi Speakers «»
Posted on: Tue, 27 November 2018 16:47 «»
By: Wayne Parham
Re: Amp for 4pi speakers
In my experience, 200Hz is about the limit of the flanking sub (helper woofer) approach. But I've blended the woofer with the mid(woofer) to ~250Hz in some loudspeakers and it has worked well.
Some specialized cases, like the constant directivity cor...
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Forum: Pi Speakers «»
Posted on: Tue, 27 November 2018 13:51 «»
By: vandevoordekoen
Re: Amp for 4pi speakers
Hi Wayne
Thank you for your quick and helpful answer!
You're right about the notch at 120hz. I always like to smooth the measurements a bit because it gives a good feeling.
A less smoothed image of the measurement from listening position witho...
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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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Forum: Pi Speakers «»
Posted on: Sat, 10 November 2018 11:32 «»
By: johnnycamp5
Re: For Sale 4Pi Speakers
I agree with Barryso......the improvement is not subtle.
I would try them approx. where your white boxes are in your pics. Right next to (and behind) your mains. Sometimes outside of them is better, but yours look pretty wide apart.
The trick here is h...
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Forum: Pi Speakers «»
Posted on: Sat, 10 November 2018 10:40 «»
By: Barryso
Re: For Sale 4Pi Speakers
You should try Wayne's multi sub trick. It takes things up a level or two.
I've been playing with flanking subs and a distributed (rear) sub with a pair of 2 Pi Towers. The addition of the subs, setup as Wayne suggests, takes the sound quality up quit...
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Forum: Pi Speakers «»
Posted on: Fri, 09 November 2018 16:58 «»
By: johnnycamp5
Re: For Sale 4Pi Speakers
That's true.
And still they'd not likely be as good overall. The dynamics and uniform directivity are hard to beat.
Are you running flanking subs? It really was the icing on the cake for me lol.
I've had a few different types of loudspeakers over the...
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Forum: Speaker «»
Posted on: Tue, 04 September 2018 16:18 «»
By: Wayne Parham
Re: Horn mouth vs. front baffle or "speaker cone"
I definitely understand what you've described. Geddes suggests placing one sub high in the air like that, specifically to deal with modal smoothing in the vertical dimension.
My guess is your troublesome mode is probably in the 60-80Hz range. Partly...
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