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Forum: Pi Speakers «»
Posted on: Thu, 31 March 2011 23:03 «»
By: Wayne Parham
three Pi speakers info
f3 = 50Hz
f10 = 30Hz
Add subs for extension and modal smoothing. I'm sure you saw this whitepaper already, but just in case:
High-Fidelity Uniform-Directivity LoudspeakersIt's a good short read that explains a lot of useful concepts used in the co...
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Forum: Pi Speakers «»
Posted on: Sun, 27 March 2011 23:43 «»
By: Wayne Parham
Upgrades
Upgrades are worth their extra cost. I would upgrade in the following order, as I think these bring the greatest improvements in this order:
1. Woofer
2. Compression driver
3. Coils
4. Capacitors
5. Resistors
The upgraded woofer make a bi...
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Forum: Room Acoustics «»
Posted on: Mon, 28 February 2011 08:29 «»
By: SiliconChip
Re: Best place to put subwoofer
Yes, I can see why multisubs would evenly disperse the sound around the room. I've only got one sub at the moment, but may get more than one for my future setup.
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Forum: Room Acoustics «»
Posted on: Sun, 27 February 2011 16:45 «»
By: Wayne Parham
Multisubs
Do a search for "multisub". The idea is to use multiple subs to smooth room modes, making the bass sound good throughout the room. That's the best way to setup subs, but it does require more than one.
If you have only one sub, it will soun...
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Forum: Pi Speakers «»
Posted on: Wed, 02 February 2011 18:10 «»
By: justphil
Re: Multisubs
Wayne I really appreciate your time and explanation. =)
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Forum: Pi Speakers «»
Posted on: Wed, 02 February 2011 11:31 «»
By: Peppennino2
Re: Multisubs
Very interersting informations! Thanks a lot, Wayne!!
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Forum: Pi Speakers «»
Posted on: Wed, 02 February 2011 11:01 «»
By: Wayne Parham
Re: Multisubs
What I mean when I say "leave the mains wide open" is to not high-pass them, let them run all the way down.
As you've said, conventional wisdom is to high-pass the mains at the same frequency you low-pass the subs. This is a traditional cro...
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Forum: Pi Speakers «»
Posted on: Tue, 01 February 2011 21:37 «»
By: justphil
Re: Multisubs
Not to hijak but Wayne when you say run the mains wide open what exactly does that mean? On my AVR I have my current mains cut off at 60hz even though Audessy set them at 40hz because I was told on another forum or read somewhere that 60 hz and lower is b...
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Forum: Pi Speakers «»
Posted on: Tue, 01 February 2011 16:47 «»
By: Wayne Parham
Multisubs
I like to use CARA to model the room and speaker positions. It gives a pretty good indication where in the room the sound field is most uniform. Put the subs where the sound field looks best, especially in the listening area.
As for the use of param...
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Forum: Speaker «»
Posted on: Sat, 01 January 2011 10:02 «»
By: Wayne Parham
Re: Subwoofers
Two subs are definitely better than one.
I wouldn't suggest driving them with tubes. You could, but I think it's a waste. Wrong tool for the job, in my opinion. Use tubes for mains, solid state for subs. Use plate amps for the subs or press an old...
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