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  1. #1

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    Default Infrasonic subwoofer

    Check out this bad boy, a friggen rotary subwoofer.



    http://home.comcast.net/~thomasw_2/RMAF2005.html

    This thing goes down to 1 Hz. Rumour has it that it has killed 3 people.

    More here:
    http://www.eminent-tech.com/RWbrochure.htm

    Oh yeah it costs only 13k.
    Last edited by gatemplin; 09-30-2005 at 11:19 PM.

  2. #2

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    I heard about that on S&V a while back...

    The general consesus there was BS Flags..
    www.Vr3Mods.com ///// www.Version3Audio.com

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro

  3. #3

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    did they stick their head in the propeller?

    Chris
    Receiver: Onkyo TX-SR502-S
    DVD Player: Pioneer DV-578A-S
    Left and Right: R50
    Center: CS1
    Rear Center: R15
    Surrounds: R30
    Subwoofer: 10'' Dayton 100 Watt

  4. #4

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    Quote Originally Posted by Vr3MxStyler2k3
    I heard about that on S&V a while back...

    The general consesus there was BS Flags..
    In other words, "the general consensus from people who havent heard it and dont know how it works". :p

    The pics were taken by someone who's audio opinion I highly trust, who had a demo by the guy who invented the sub and explained to him how it works.

    "Bruce ran test tones from 40Hz down to 2Hz. The drywall in the room was flexing as the room pressurized. His intended audience is ultra $$$ HT where it's intended to augment the lower octaves below where your normal sub dies..."
    Last edited by gatemplin; 09-30-2005 at 11:33 PM.

  5. #5

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    I could see something like that really hurting people if it does actually hork out that kind of output so low. My guess is that since the average person with good hearing can only hear to 20Hz the fact that this produces sound you can't even hear you won't know you are melting your ears until you start to feel pain and at that point you have already done damage.

    To me it just looks like a fancy 1/2 hp electric motor with a fireplace fan attached to the front :D I think I'd enjoy audio more without one of those and having the privilege of being able to control my bowl movements ;)

  6. #6

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    Quote Originally Posted by michael_w
    I could see something like that really hurting people if it does actually hork out that kind of output so low. My guess is that since the average person with good hearing can only hear to 20Hz the fact that this produces sound you can't even hear you won't know you are melting your ears until you start to feel pain and at that point you have already done damage.

    To me it just looks like a fancy 1/2 hp electric motor with a fireplace fan attached to the front :D I think I'd enjoy audio more without one of those and having the privilege of being able to control my bowl movements ;)
    Well because of this subs output and the Fletcher-Munson curve, you may be able to "hear" quite a bit lower than 20 Hz.

    Here is another quote from Thomas, the guy that runs "the Cult":

    "Below 10Hz the drywall was visibly flexing, and his assistants were leaning on all the doors, otherwise they were rattling in their frames."

  7. #7

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    Here is a video thingy, look at how the blades pivot like helicoptor rotors.


  8. #8

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    nice fan..!!

  9. #9

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    I hooked up my clothes dryer with some monster extreme to two 500 watt monoblocks, sounds awesome. Selling for 12k, a 1k savings for you guys, just because I'm a nice club member. :) My next version will totally knock all your walls down, its a wrecking ball version. Still in the lab on that project....
    Last edited by eugene65; 10-01-2005 at 02:02 PM.

  10. #10

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    I bet it does move some air, which is what producing sound waves is all about.

    Weird.
    Check your lips at the door woman. Shake your hips like battleships. Yeah, all the white girls trip when I sing at Sunday service.

  11. #11

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    Quote Originally Posted by michael_w
    To me it just looks like a fancy 1/2 hp electric motor with a fireplace fan attached to the front :D I think I'd enjoy audio more without one of those and having the privilege of being able to control my bowl movements ;)
    Beware of the 7Hz soundwaves!!

    Brown Noise

    Interesting infinite baffle system. Seems to use ideas obtained from helicopter rotor studies. I wonder if the hotel they set up in knew they'd remove the door between two rooms, build the enclosure for the driver, then run tests down to 1Hz.
    1. JM Labs Electra 920.1 and CC30; MB Quart Vera Sub; Pioneer SC-57; Squeezebox Touch; Panasonic BDT-500 Blu-Ray; Samsung 52" LCD; FIOS; PS Audio Power Plant Premier; MIT S3 cables
    2. Polk SDA-SRS 2.3TL; Sonic Frontiers Line 3 SE; Classe Model 25; Marantz SA8004; Acoustech PH1P; Squeezebox Touch; Music Hall MMF7; PS Audio P1000; MIT S2 cables
    3. Polk SDA 2A; Parasound Halo JC-2 and A21; Musical Fidelity X-DAC; Squeezebox Touch; PS Audio 4.7; MIT S1 cables

  12. #12

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    I wonder if my SVS PC-Ultra will go that low..?

    I would like to try that on the other unsuspecting members of the house..!!!

    I know it`s mean, but hey three females...every stinkin month..!!???

  13. #13
    Stronzo
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    Thats wicked...

  14. #14

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    You might be able to hit around 10-12Hz in room with the ultra. Just guessing by reading the specs but if it's placed correctly...

  15. #15

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    enuff for serious stainage, but no doodoo....

  16. #16

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    As PT Barnum said " there is a sucker born every minute "

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