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Re: Singing light bulb on dimmer switch

On Sun, 21 May 2006 20:54:28 -0400, "David D."
<daviddiamond.remove-if-not-spam@xxxxxxxxxxx> wrote:

>    Thanks for the offer.  But I do need a G50.
>    A G40 is a 5" diameter globe with a standard screw base.   I could use a
>plain 150w bulb, but it would not be as attactive.  This is an tiffany-shade
>type ceiling swag over the kitchen table.

So the bulb itself shows. And it's 5 inches, so it might have a much
bigger filament than the minimum size 150 incandescent.

You might be better off removing the dimmer and buying the size you
most want to use.

I wanted the 150 for the dining area, because I only have one lamp, a
floor lamp, in my living area.  It's always sort of awkward to get to
it, and sometimes near impossible, and it doesn't light up the whole
area.  So I want a bright dining room bulb.  If it weren't for that, I
think I'd use a 100W.

> - David
>"mm" <NOPSAMmm2005@xxxxxxxxxxx> wrote in message
>> On Sat, 20 May 2006 03:22:00 -0400, "David D."
>> <daviddiamond.remove-if-not-spam@xxxxxxxxxxx> wrote:
>> >Most light bulbs hum loudly when dimmed via a dimmer switch.
>> That's not been my experience.
>> >A few are ok,
>> >because they contain extra filament supports at critical positions.
>> I only have three dimmers for lights, but I've never had a lightbulb
>> hum because of one.  Until a couple weeks ago, I was using a 150 watt
>> bulb in a desk lamp with a built-in dimmer right next to me.
>> Unfortunately, I knocked the lamp off the table and broke the bulb so
>> I don't have it, but I think it was the standard GE 150 watt bulb they
>> sell in supermarkets.
>> In the dining room I also have a 150 with a dimmer, and I'll check the
>> brand if you want me too.  I only have to take off the cover.  It's
>> probably not G-40 since I've never heard of that, so let me know if
>> you want me to check.
>> Otherwise, I'd say just try a different brand.
>> >My hanging (swag) kitchen tiffany-style light takes a G40-150w bulb.  It
>> >hums badly when dimmed.
>> >
>> >(1) Is there a brand of G40-150 bulb that does not hum when dimmed?
>> >(2) Alternatively, is there a small, in-line filter available, or a
>> >filtered, table-top dimmer switch, that would create a smoother
>> >short-duty-cycle output than the intermittent, alternating square-wave
>> >created by a typical dimmer switch?   Would that be safe for a household
>> >lamp application?  Would that eliminate the audible humming?
>> >
>> > - David

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