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A close up of the VU1's phosphor coating, Red green and blue speckles.

A close up of the VU1's phosphor coating, Red green and blue speckles.

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Looking closely at the VU1's phosphor coating, when lit, you can actually see that it's not uniform, but a sputtering of red, green, and blue "splotches", more easily visible towards the edges. This is NOT camera/CCD noise, the red/green/blue patterning and differences can absolutely be seen with the naked eye, moreso towards the edge of the phosphor. Presumably they're using a mix of these 3 phosphors to get their warm white 3000k-ish output. (Click full size for a better view)

finally-inductive-startup-op3.gif vu1-2.png vu1-3.png vu1-turnon-opt3.gif

Light Information

Light Information

Manufacturer:VU1
Model Reference:R30
Lamp
Lamp Type:BR30
Filament/Radiator Type:CRT / Cathode Ray
Base:E26
Shape/Finish:BR30
Service Life:11000h
Fixture
Fixture Type:N/A
Ballast Type:Self Ballasted internal
Arm Type:N/A
Electrical
Wattage:19.5
Voltage:120
Current:163mA
Optical
Lumen Output:500
Lumen Efficacy:25lm/watt
Color Temperature:3000k
Color Rendering Index:90
Physical/Production
Dimensions:6x4in
Factory Location:China
Fabrication Date:2015
Application/Use:Downlight

File information

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Filename:vu1-3.png
Album name:michilumin / Modern / HighEfficiency lighting
Keywords:Lamps
File Size:2730 KB
Date added:Apr 02, 2015
Dimensions:1588 x 1054 pixels
Displayed:96 times
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-106781
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themaritimegirl
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themaritimegirl themaritimegirl themaritimegirl
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Apr 02, 2015 at 07:23 PM Author: themaritimegirl
Really neat view!

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michilumin
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michilumin michilumin
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Apr 02, 2015 at 07:29 PM Author: michilumin
Thanks much, trying to show as much detail on these as I can because really they are very interesting to look at up close and in person. Definitely an odd lamp.
Solanaceae
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GoL Solanaceae.Keif.Fitz Keif Fitz bubby_keif
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Apr 02, 2015 at 07:37 PM Author: Solanaceae
Interesting. Where'd you get yours? I might buy myself some for the basement.

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michilumin michilumin
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Apr 02, 2015 at 07:57 PM Author: michilumin
Got them at www.destinationlighting.com -- shipping is steep but if there's some more you can find to get it over $50, that's free shipping so, figured that was the way to go. They have decent refund/exchange policies on lamps that arrive DOA too. (usually will cross ship.)
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