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Ron H
Guest
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 Posted:
Thu Nov 11, 2004 7:35 am Post subject:
Noise free dimmer switch??? |
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Does anyone make a trully noise free dimmer switch?
Ron H.
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M Nelson
Guest
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| Posted:
Thu Nov 11, 2004 8:34 am Post subject:
Re: Noise free dimmer switch??? |
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Yes. Either a old-fashioned rheostat or a Variac are pretty well noiseless
in operation. Does take a lot of wall space, though.
--
Mark Nelson (remove .nospam to reply directly)
A collector of TV signal boosters and UHF converters -- God help me!
http://tv-boxes.com
"Ron H" <rnharsh@attbi.com> wrote in message
news:4192bf16_9@Output.100ProofNews.com...
| Quote: | Does anyone make a trully noise free dimmer switch?
Ron H.
x-- 100 Proof News - http://www.100ProofNews.com
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Don Taylor
Guest
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| Posted:
Thu Nov 11, 2004 10:54 am Post subject:
Re: Noise free dimmer switch??? |
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"Ron H" <rnharsh@attbi.com> writes:
| Quote: | Does anyone make a trully noise free dimmer switch?
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Variac (tm) ?
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Adam Stouffer
Guest
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| Posted:
Fri Nov 12, 2004 5:22 am Post subject:
Re: Noise free dimmer switch??? |
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Don Taylor wrote:
| Quote: | "Ron H" <rnharsh@attbi.com> writes:
Does anyone make a trully noise free dimmer switch?
Variac (tm) ?
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http://www.sweetmarias.com/variac_sweetmarias.jpg
Adam |
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Glenn Gundlach
Guest
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| Posted:
Fri Nov 12, 2004 5:31 am Post subject:
Re: Noise free dimmer switch??? |
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dont@agora.rdrop.com (Don Taylor) wrote in message news:<lfCdndD0NZTgbQ_cRVn-3w@scnresearch.com>...
| Quote: | "Ron H" <rnharsh@attbi.com> writes:
Does anyone make a trully noise free dimmer switch?
Variac (tm) ?
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You're right. I never thought about it before so I looked it up
http://www.martinos.org/~reese/VariacPage/
Its one of those really good names. Kleenex, Jell-o, Q-tips, Scotch
tape. Have you EVER heard ANYBODY ask for the Tuck tape? Useless
tidbit. Videotape was a registered trademark of Ampex corp.
gg |
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N. Thornton
Guest
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| Posted:
Sun Nov 14, 2004 2:11 am Post subject:
Re: Noise free dimmer switch??? |
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"M Nelson" <aj2x@comcast.net> wrote in message news:<PcAkd.393120$D%.166920@attbi_s51>...
| Quote: | Does anyone make a trully noise free dimmer switch?
Ron H.
Yes. Either a old-fashioned rheostat or a Variac are pretty well noiseless
in operation. Does take a lot of wall space, though.
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also dont forget mechanical shutters, useful for lights that wont
restrike until they cool down.
NT |
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Jim Murphy
Guest
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| Posted:
Sun Nov 14, 2004 7:30 am Post subject:
Re: Noise free dimmer switch??? |
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Theatrical or architectural dimmers will do the tirck. We sell and install
them. A little pricey for a home though. They are SCR controlled with a lot
of control electronics including a digital control circuit. There are DJ
versions that are not as expensive but you will have to make a heck of a
hole in your wall if you want to install it in the Dining Room. We have a
customer who has a whole farm of rheostats on the wall near the sound
console. Talk about sizzle. We're pricing digital for them. Jim
"N. Thornton" <bigcat@meeow.co.uk> wrote in message
news:a7076635.0411131211.6f7e8421@posting.google.com...
| Quote: | "M Nelson" <aj2x@comcast.net> wrote in message
news:<PcAkd.393120$D%.166920@attbi_s51>...
Does anyone make a trully noise free dimmer switch?
Ron H.
Yes. Either a old-fashioned rheostat or a Variac are pretty well
noiseless
in operation. Does take a lot of wall space, though.
also dont forget mechanical shutters, useful for lights that wont
restrike until they cool down.
NT |
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Robert Casey
Guest
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| Posted:
Sun Nov 14, 2004 11:37 am Post subject:
Re: Noise free dimmer switch??? |
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Ron H wrote:
| Quote: | Does anyone make a trully noise free dimmer switch?
A rectifier diode is reasonably quiet, but you |
get only one dim setting. You would have 3 choices:
full on, half brightness, and off. If you have
a pair of light bulbs both independently dimmed
by diodes, and if one is 40W and the other 100W
you could get 9 different brightness levels with
the pair. Each bulb gets its own "off-half-full"
switch, and with the pair that gives 9 possible
light levels. |
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Ralph Cameron
Guest
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| Posted:
Mon Nov 15, 2004 2:09 am Post subject:
Re: Noise free dimmer switch??? |
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I'm using Leviton and have no noise whatsoever and I'm a ham so am very
conscious of the noisy devices sold today including the switch mode
converters for low voltage halogen lamps.
Ralph C
"Ron H" <rnharsh@attbi.com> wrote in message
news:4192bf16_9@Output.100ProofNews.com...
| Quote: | Does anyone make a trully noise free dimmer switch?
Ron H.
x-- 100 Proof News - http://www.100ProofNews.com
x-- 3,500+ Binary NewsGroups, and over 90,000 other groups
x-- Access to over 1 Terabyte per Day - $8.95/Month
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N. Thornton
Guest
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| Posted:
Mon Nov 15, 2004 2:16 am Post subject:
Re: Noise free dimmer switch??? |
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Robert Casey <wa2ise@ix.netcom.com> wrote in message news:<uaCld.10545$_J2.927@newsread2.news.atl.earthlink.net>...
| Quote: | Ron H wrote:
Does anyone make a trully noise free dimmer switch?
A rectifier diode is reasonably quiet, but you
|
For most apps the best dimmer is a switchbank, one switch per light
fitting, or with larger venues several per switch. Wont replace all
dimmer apps but has considerable advantages where it is appropriate.
NT |
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Jim Thompson
Guest
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| Posted:
Mon Nov 15, 2004 2:21 am Post subject:
Re: Noise free dimmer switch??? |
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On 14 Nov 2004 12:16:20 -0800, bigcat@meeow.co.uk (N. Thornton) wrote:
| Quote: | Robert Casey <wa2ise@ix.netcom.com> wrote in message news:<uaCld.10545$_J2.927@newsread2.news.atl.earthlink.net>...
Ron H wrote:
Does anyone make a trully noise free dimmer switch?
A rectifier diode is reasonably quiet, but you
For most apps the best dimmer is a switchbank, one switch per light
fitting, or with larger venues several per switch. Wont replace all
dimmer apps but has considerable advantages where it is appropriate.
NT
|
Stage dimmers use motorized big-ass inductors with a removable core...
core all the way in, much inductance, much dimming; core out, no
dimming.
...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |
I love to cook with wine. Sometimes I even put it in the food. |
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Nicholas O. Lindan
Guest
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| Posted:
Mon Nov 15, 2004 9:42 pm Post subject:
Re: Noise free dimmer switch??? |
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"Ralph Cameron" <ramcam@magma.ca> wrote in message
| Quote: | "Ron H" <rnharsh@attbi.com> wrote in message
Does anyone make a trully noise free dimmer switch?
I'm using Leviton and have no noise whatsoever and I'm a ham so am very
conscious of the noisy devices sold today including the switch mode
converters for low voltage halogen lamps.
|
Very low noise dimmers are made for theatres (the ones with live actors).
Dimmer noise otherwise gets into the sound reinforcement system.
Expensive - not like the $3.98 at Walmart kind:
http://www.etdimming.com/
A variac works very well in this application, and is the standard
in small installations.
--
Nicholas O. Lindan, Cleveland, Ohio
Consulting Engineer: Electronics; Informatics; Photonics.
Remove spaces etc. to reply: n o lindan at net com dot com
psst.. want to buy an f-stop timer? nolindan.com/da/fstop/ |
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sparky
Guest
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| Posted:
Tue Nov 16, 2004 5:28 am Post subject:
Re: Noise free dimmer switch??? |
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"Ron H" <rnharsh@attbi.com> wrote in message
news:4192bf16_9@Output.100ProofNews.com...
| Quote: | Does anyone make a trully noise free dimmer switch?
|
Use a saturable reactor. Virtually noise free.
| Quote: |
Ron H.
x-- 100 Proof News - http://www.100ProofNews.com
x-- 3,500+ Binary NewsGroups, and over 90,000 other groups
x-- Access to over 1 Terabyte per Day - $8.95/Month
x-- UNLIMITED DOWNLOAD
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Uncle Peter
Guest
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| Posted:
Mon Nov 22, 2004 5:50 am Post subject:
Re: Noise free dimmer switch??? |
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"Ralph Cameron" <ramcam@magma.ca> wrote in message
news:CsOdnadc9_RGgAXcRVn-gQ@magma.ca...
| Quote: | I'm using Leviton and have no noise whatsoever and I'm a ham so am very
conscious of the noisy devices sold today including the switch mode
converters for low voltage halogen lamps.
Ralph C
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Ditto here. The "quieter" brand name dimmers are marketed
as such, look for something on the packaging to that effect.
Pete |
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