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366 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Sat, 15 January 2022 16:16 «»
By: Wayne Parham
Re: Plate amp for 3pi subs
The SPA250DSP plate amp will work just fine, and yes, you'll need the DSP version for flanking subs because it will allow you to set the low-pass filter to 12dB/octave. It will also work for distributed multisubs if you decide to add one or two of those...
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Forum: Pi Speakers «»
Posted on: Sat, 15 January 2022 09:40 «»
By: Jensen
Plate amp for 3pi subs
5 degrees and blowing 30mph this morning... it's clearly Project Season.
I'm ready to build a pair of subs to compliment my 4pis (that I love). They would be strictly for music (no HT) and need to support a 20'x20' room at moderate SPL.
For a myri...
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Forum: Pi Speakers «»
Posted on: Sun, 09 May 2021 19:09 «»
By: pjanda1
Re: Amp Camp Amp
Excess gain is a frequent problem with high efficiency speakers the dramatically shortens the list of possible preamps. But if you are going to drive SS subs other than from the speaker output (or especially a DSP for the sub(s), some of which have nasty l...
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Forum: Pi Speakers «»
Posted on: Sun, 24 May 2020 08:45 «»
By: dawiipgh
Re: Horn loaded Corona Build
Hi Wayne,
I've been searching through the FAQ, threads and other website locations. I found the performance data of the 4 Pi speakers:
https://www.pispeakers.com/Measurements/fourPi.html
Your note at the bottom states that "Measurements were ta...
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Forum: Pi Speakers «»
Posted on: Sat, 16 May 2020 14:36 «»
By: Wayne Parham
Re: Horn loaded Corona Build
There are lots of other great build threads too. Some people have built some really great looking home theaters. Some have made super nice dinner theater installations. And there are plenty of great finishes from various builders too. Almost too many...
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Forum: Pi Speakers «»
Posted on: Mon, 03 February 2020 18:23 «»
By: Barryso
Re: Low Pass
Hi Rusty,
Don't blame you for not doing work in the winter cold. Both the winter cold and summer heat are great ways to kill motivation.
Yes, the Amp Camp Amp is an 8 watt class A amp and it's being used as the main amplifier for the system. The RE...
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Forum: Pi Speakers «»
Posted on: Sun, 02 February 2020 07:27 «»
By: Barryso
Re: Low Pass
A couple more sub oddities.
The first oddity is regarding the Amp Camp Amp. The amp reverses phase, which isn't all that odd, but it reverses the speaker outputs inside the amp. It's red speaker terminals are really ground and the black is really posi...
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Forum: Pi Speakers «»
Posted on: Sun, 02 February 2020 07:22 «»
By: Barryso
Re: Low Pass
Rusty, did you ever get a chance to play with the Rolls crossover?
I've ended up with a quasi minidsp-type fix.
The solution was hiding in an upstairs closet. A DBX Driverack PA was originally purchased 15 or 20 years back to try room correction but...
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Forum: General «»
Posted on: Thu, 30 January 2020 07:49 «»
By: johnnycamp5
Re: Vibration Control
Hello Barry good job.
I hope your enjoying the 4Pi's!
I too built the Whammy and put it in their suggested (cheap) chassis...I forget which brand and model off hand.
The pcb slides in the chassis's long grooves, so It doesn't really get screwed in har...
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Forum: Pi Speakers «»
Posted on: Tue, 14 January 2020 18:39 «»
By: Wayne Parham
Re: Flanking subs
All three subs are multisubs. The two nearest the mains are flanking subs and the distant one is a distributed multisub.
Check that your plate amp DSP can support 100Hz second-order and 50Hz fourth-order Butterworth slopes. I'm sure it does, but che...
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