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1 Forum: Pi Speakers «» Posted on: Tue, 26 January 2021 11:19 «» By: Wayne Parham
Re: 3pi update / 6pi build
That's an excellent idea. Highly encouraged! I think you would probably get deeper bass from a driver like the LAB12. But flanking subs are mostly for the upper midbass anyway, for providing baffle step correction, and for mitigating SBIR and higher...
2 Forum: Speaker «» Posted on: Sun, 20 December 2020 12:36 «» By: Wayne Parham
Re: Futzing with vibration control
I think John was saying that four Pi mains with flanking subs were close to seven Pi's, but that he preferred the cornerhorns. That squares with my experiences too. Where I can use constant directivity cornerhorns, I do. They don't need flanking sub...
3 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....
4 Forum: Speaker «» Posted on: Fri, 13 November 2020 16:36 «» By: Wayne Parham
Re: Futzing with vibration control
It's an interesting observation, isn't it Barry? You know, in the 1980s and 1990s, I used only solid-state amps. I was quality conscious, so I used good equipment but none of it was tube gear. So I was familiar with these speakers on amps that could...
5 Forum: Pi Speakers «» Posted on: Wed, 23 September 2020 14:51 «» By: Wayne Parham
Re: 3Pi and 4Pi Plans Request
I think if you peruse the Pi Speakers FAQ and do searches here in the forum, you'll probably find all the answers to any questions you might have. In particular, you might want to read the H290C Horn/Waveguide thread. It discusses the benefits of tha...
6 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...
7 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...
8 Forum: Pi Speakers «» Posted on: Sat, 02 May 2020 13:35 «» By: Wayne Parham
Re: 3Pi or 4Pi?
The three π model is slightly larger than the four π, that's true. Both have similarly sized baffles though, and they're large enough that baffle step happens right about the Schroeder frequency. So below the baffle step, we're in the room's modal regi...
9 Forum: Pi Speakers «» Posted on: Sat, 28 March 2020 10:38 «» By: Wayne Parham
Re: Corner horns & flanking subs?
Constant directivity cornerhorns don't benefit from flanking subs. The anomalies created by reflections from nearest boundaries when using traditional loudspeakers don't occur in cornerhorn installations. The sound source is acoustically close to the n...
10 Forum: Pi Speakers «» Posted on: Mon, 17 February 2020 11:19 «» By: Wayne Parham
Re: Three Pi and Three Pi Sub Plans
I've always loved ribbon tweeters too. Back in the 1970s, the EMIT tweeters in Infinity speakers were oh-so sweet to me. They offered much greater extension than compression drivers of that era. But they lacked dynamic range. They were relatively fra...
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