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Old 8th January 2006, 05:41 PM   #1
imix500 is offline imix500  United States
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Default DC Controlled AC Dimmer?

Hello all, I'm in search of a 0-10v dimmer for 115v. I've scoured the web but haven't found much. I did find a Vellemen kit that will do what I need for about $30, but I wanted to go the diy route if I can. Thanks!
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Old 8th January 2006, 09:25 PM   #2
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what do you mean DC controled AC dimmer? What are you trying to dim?
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Old 9th January 2006, 01:56 AM   #3
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Meaning 0-10v dc control voltage in, 115v ac out in proportion. Run of the mill theatrical type dimmer (except it's not 0-28v I'm looking for)- though I can't seem to find any schematics.
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Old 9th January 2006, 09:45 AM   #4
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I've got schematics for a Celco E-rack around somewhere, (rebadged Pulsar), I'll have a look when I get home tonight. However, wouldn't it be easier just to pick up a small 3 or 4 way pack s/h. Likely to cost less than building, and more likely to get past health and safety guys.

Oh, and where does the 28V come from? Never, ever seen that before.
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Old 9th January 2006, 11:43 AM   #5
imix500 is offline imix500  United States
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Hey pinkmouse, If you can find them that would be great. Buying a old used eta pack or the like is a possibility my mind but I'm looking for a single channel that only has to dim one 25W lamp. Going waay back before amx-192 even, all kleigl and colortran systems were 0-28v.

In my hometown at our civic center we have 3 kleigl scr (the ugly beige cubes) dimmer systems of 12, 24, and 72 channels. 3, 7, ans 12kW. I have to recalibrate those dern things twice a year.
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Old 9th January 2006, 11:48 AM   #6
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And I thought Strand were awkward for using -10V.
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Old 9th January 2006, 11:54 AM   #7
imix500 is offline imix500  United States
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Heh, yeah I'm not sure where that selected control v came from. I'm sure there's a story. Probably involving a few drunken stagehands up here.
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