These things fascinate me to no end. I want one but hard to find.

http://www.youtube.com/watch?v=ffJ46...eature=related

it converts low frequency signals into acoustical output without the physical limitations of conventional voice coils, cones, spiders, and surrounds. The result of this innovation is a subwoofer with ultra low distortion and 3 times the displacement of a conventional 12-inch subwoofer."

hmm interesting

Is this actually meant for audio then? Sounds like they must have just been generating noise?

It does produce sounds, it moves air just like a speaker. thats all sounds is, movement of air.
Adire had somthing similar before they went out of business.
Eminent makes a similar product for the home, a variable vane fan to move massives amount of air.

http://www.rotarywoofer.com/

Hey DallasNeon! I see we have a new Audio Enthusiust! Awesome! What r u running?
I have seen those Rotary Fan Woofers.. Really interesting

interesting. i just wonder what they sound like. is that pg piece in production yet?

Currently I'm trying to finish up my install. I'm using some older source units, more SQ oriented. most stuff was bought second hand to get the prices i wanted.

Nakamichi CD-45z + 80gig iPod on Aux input (Used)
Nakamichi MB-70 6 disc changer (Used)
JBL MS-8 (New)
Zed Audio Draconia (New)
Zed Audio Minilith (Used)
DLS Iridium 6.3i Front (Used)
DLS Classic C4 Rear (New) rear fill turned down most times
Aurasound RPM10 sealed box may go ported undecided (Used)

These r from back in the mid '90'* i believe

Nice gear! Sounds like you spend some time over at DIYMA

I am, I just don't post often, come to think of it, I don't post a lot anywhere.LOL