Date: Thu, 02 Dec 2004 17:37:19 -0500

Author: Michael Timmins

Subject: Re: stories

Post:

May I ask what kind of speaker you use? We've always used a PA driver
and these tend to start dropping off dramatically at 500 Hz or so.

Miek

On Thu, 2004-12-02 at 16:54, Wolfgang Rueckner wrote:
> Oh yes, a variable frequency generator IS mandatory. The reason I look
> for wineglasses in a certain range (400 to 500Hz) is because my
> loudspeaker happens to work best in that range and requires the least
> amount of input power to produce a lot of decibels. -- Wolfgang
>
>
> On Dec 2, 2004, at 3:28 PM, Gordon Shepherd wrote:
>
> > Can you really get the frequencies close enough to do the job by just
> > matching them? I thought a variable frequency generator would be
> > mandatory to match the freq's exactly enough to work. You can tell I
> > haven't don it yet.
> > Gordon Shepherd
> >
> > Wolfgang Rueckner wrote:
> >
> >> I buy my wineglasses at the local Crate & Barrel. I hand pick them by
> >> comparing their ring with a tuning fork. Having selected a half
> >> dozen, I brought them up to the register whereupon the young
> >> saleslady asked me "why the tuning fork?" I explained that I was
> >> going to shatter them with sound and wanted glasses in the right
> >> frequency range. She said that was totally awesome and invited me to
> >> come to a party she was having that evening and bring my shattering
> >> wineglass set-up. She thought it would be the hit of the party! --
> >> Wolfgang
> >>
> >>
> >> On Dec 2, 2004, at 8:56 AM, Cliff Bettis wrote:
> >>
> >> Mine, shopping story that is, would be walking into an antique
> >> store with a Geiger counter.
> >> Cliff
> >>
> >>
> >
--
Mike Timmins
University of Virginia
Acadamic Support Supervisor

email: mat3q@virginia.edu
phone: (434) 924-6800
mail address:
382 McCormick Rd
Charlottesville, VA 22904
From Paul.Nord@valpo.edu Thu Dec 2 17:57:15 2004

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