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Two Sylvania 20w Designer 800 3000K lamps, 1980s and 2009.

Two Sylvania 20w Designer 800 3000K lamps, 1980s and 2009.

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The 1983 GTE Sylvania Color-Brite and the 2009 Designer Soft White are the same thing. But the latter looks pinker and has a lower quality phosphor distribution. Plus it blinks and swirls a lot.

E9491DE0-F71C-48D1-B480-610A258555E5.jpeg 118B5779-BE21-43A6-9FC0-536FB1AB4597.jpeg F2C05B23-6EC5-4EC3-97D5-A7C5E76FB624.jpeg 2E4A7A19-D72D-4BCA-9CAD-A4645978CAE3.jpeg

Light Information

Light Information

Manufacturer:Sylvania
Model Reference:F20T12/CB and F20T12/DSW
Lamp
Lamp Type:Fluorescent
Filament/Radiator Type:coiled coil cathodes
Base:G13 bipin
Shape/Finish:T12 coated
Service Life:9000 hours
Electrical
Wattage:20w
Optical
Lumen Output:1200 lumens
Lumen Efficacy:60 lumens per watt
Color Temperature:3000K
Color Rendering Index:80
Physical/Production
Dimensions:24 inches nominal
Factory Location:Danvers, MA (1983), Versailles KY (2009)
Fabrication Date:1983, 2009

File information

File information

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Album name:silverliner / Fluorescent - T-12 and larger
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Date added:May 25, 2019
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Date Time:2019:05:25 01:14:11
DateTime Original:2019:05:25 01:14:11
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Comments
fluorescent lover 40
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Lights are awesome! :)


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May 25, 2019 at 07:32 PM Author: fluorescent lover 40
Nice!

Power provider: Southern California Edison (SCE)

-Date decoder of some US lamps 1960-present.
-Switch and receptacle collector.
-I'll save any vintage lamp! Smiley

rjluna2
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Robert


GoL
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May 26, 2019 at 03:11 PM Author: rjluna2
That's tell us how the quality of making bulbs goes south

Pretty, please no more Chinese failure.

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