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1 Forum: Pi Speakers «» Posted on: Thu, 02 November 2023 16:14 «» By: Wayne Parham
Re: 3Pi plans and questions
You've got mail! You can buy waveguides and crossovers from us. I wouldn't suggest modifying cabinet dimensions unless you can do acoustic measurements to verify there is no regression from the changes. The thing to watch out for is lower-midrange...
2 Forum: Pi Speakers «» Posted on: Fri, 02 June 2023 10:53 «» By: Wayne Parham
Re: Jbl 2226h and 2447h
I've sent plans to your email address. The horn you'll need is the Pi Speakers H290C waveguide/horn. It's the only part you can't buy locally because we're the only company that makes it. All the other parts you can purchase anywhere. You don't h...
3 Forum: Pi Speakers «» Posted on: Sat, 21 January 2023 16:34 «» By: Wayne Parham
Re: Multisubs for pi7
I love basshorns, but they're just so big. Their size often makes it inconvenient to use hornsubs for multisubs. The main benefit that hornsubs offer is maximum acoustic energy. But we really don't need maximum acoustic energy to make it ear-shatter...
4 Forum: Pi Speakers «» Posted on: Wed, 18 January 2023 09:48 «» By: Wayne Parham
Re: Plans for 7 Pi and 4 PI Please
Snatch up those 2226HPL drivers! The only differences between the 2226H and 2226HPL versions are cosmetic. Do make sure they're in good shape though, and if in doubt, have 'em reconed with OEM parts. Don't use aftermarket cones. Reconed 2226H drivers...
5 Forum: Pi Speakers «» Posted on: Fri, 16 September 2022 11:47 «» By: Wayne Parham
Re: Horn loaded Corona Build
Truly excellent. I hear you about subs that are smaller than the midwoofer in the mains. It just seems "wrong." And you can get higher efficiency from a larger sub, so there's definitely an advantage in using a larger subwoofer. But the...
6 Forum: Pi Speakers «» Posted on: Tue, 23 August 2022 14:29 «» By: Wayne Parham
Re: My 3π adventure
I agree with you generally about almost everything you said except the part about time alignment. This is impossible in the modal region. Outdoors, you want sound sources acoustically close together - within 1/4λ of each other - and the electrical si...
7 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 ...
8 Forum: Pi Speakers «» Posted on: Tue, 05 April 2022 18:40 «» By: Wayne Parham
Re: 8 years later
So glad your technician was able to find the problem! I kind of thought it was that coil - Even though it is attached with silicon, it is the one most likely to shift and push a wire into a PCB trace. I don't see it as often in domestic shipments as I ...
9 Forum: Pi Speakers «» Posted on: Tue, 19 October 2021 12:44 «» By: Wayne Parham
Re: How about a subwoofer?
Three Pi subs work great with constant-directivity cornerhorns. Place 'em in Geddes or Welti configuration and you're good to go. The 12Pi hornsubs is also suitable. It's awesome - but it's big. When used indoors, I personally would rather have...
10 Forum: Pi Speakers «» Posted on: Sun, 16 May 2021 09:16 «» By: Wayne Parham
Re: four Pi and subs
Compression driver changes sometimes need different R1/R2 values to match voltage sensitivity. The amplitude and polar response is set by the waveguide, which is has much more influence than the driver. The only things set by the driver are mass-roll...
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