Hi, Jim. No, they are not on a dimmer. I have used a number of different
brands including Sylvania and others. No particular indication on the
bulbs other than 75W/120V/680 lumens. Maximum diameter of bulb is about 5
inches.
Larry
>X-From_: owner-rfi@contesting.com Sat Jul 8 22:10:29 2000
>From: "Jim Smith" <jimsmith@bigvalley.net>
>To: <rfi@contesting.com>
>Subject: Re: [RFI] Singing Floodlights
To: <rfi@contesting.com>
>Date: Sat, 8 Jul 2000 20:08:18 -0700
>X-Mailer: Microsoft Outlook Express 5.00.2919.6600
>Sender: owner-rfi@contesting.com
>Reply-To: "Jim Smith" <jimsmith@bigvalley.net>
>X-Mailing-List: rfi@contesting.com
>X-Sponsor: W4AN, KM3T, N5KO & AD1C
>
>
> Larry,
>can you tell us exactly what kind of lamps these are? Are they on a dimmer,
>and if so, what type?
>Jim Smith, KQ6UV
>
>----- Original Message -----
>From: "Larry Burke WI5A" <lburke@wt.net>
>To: <rfi@contesting.com>
>Sent: Friday, July 07, 2000 6:47 PM
>Subject: [RFI] Singing Floodlights
>
>
> >
> >
> > This is not technically an RFI problem, but it's somewhat related. I have
> > four 75 watt recessed floodlights in the ceiling of my shack. As they age
> > and get ready to burn out they produce a singing sound for several days...
> > then poof. What causes the noise? Also... the lights seem to experience
> > sympathy pains... when one goes out the others are not far behind. Is the
> > later problem due to the increased voltage present when the first one
>blows
> > or what? I wouldn't have thought the increase was enough to cause a
>problem.
> >
> > Perspiring minds want to know.
> >
> > Larry Wi5A
> >
> >
> > --
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> >
> >
>
>
>
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