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25 Watt, 48 Inch T8 Alto

25 Watt, 48 Inch T8 Alto

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The top lamp is a brand new F32T8/ADV841/XEW/ALTO...these are about the crappiest lamps I've dealt with, even among the Altos. Its rather dim and has those rings running the length of the tube...they never go away even after warm up.

The bottom tube is a full wattage full mercury GE, and even though its very much near EOL its STILL brighter then the alto. The fixture is of course boring electronic instant start.

This light is in the mop closet at my work, is on a motion sensor, so it is frequently switched.

IMG_9039.JPG Duray_preheater.jpg Photo-0004.jpg Photo-0005.jpg

Light Information

Light Information

Manufacturer:Philips
Model Reference:F32T8/ADV841/XEW/ALTO
Lamp
Lamp Type:Liner fluorescent
Base:Medium bi-pin
Fixture
Fixture Type:Basic two lamp strip
Ballast Type:Electronic instant start
Electrical
Wattage:25

File information

File information

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Filename:Photo-0004.jpg
Album name:Peach_Lover / Fluorescent fixtures/lamps
Keywords:Lamps
File Size:42 KB
Date added:Apr 21, 2011
Dimensions:800 x 600 pixels
Displayed:182 times
DateTime Original:2010:1218:18 11:02:2
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Model:SGH-T439
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DieselNut
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jonathon.graves johng917 GeorgiaJohn
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Apr 21, 2011 at 01:13 PM Author: DieselNut
Frequent switching + instant start = lamp killer!

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

Peach_Lover
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Apr 21, 2011 at 01:23 PM Author: Peach_Lover
Trust me I know, and now that we've switched to Altos we seem to be killing ballasts too. But hey at least we're 'going green' right
DieselNut
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jonathon.graves johng917 GeorgiaJohn
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Apr 21, 2011 at 02:08 PM Author: DieselNut
The 25 watt is probably a ballast killer, much like the 34 watt lamps are to a F40 ballast. I know the 28 watt lamps I have are JUNK!

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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Apr 21, 2011 at 03:04 PM Author: jercar954
Our local Walmart store relamped the entire store with the 32 watt version of these lamps about nine months ago and about 80% of these lamps are still swirling to this day.

Preheat and T-12 fluorescents forever! Down with LED's and instant start T-8 fluorescents.

suzukir122
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suzukir123
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Jan 18, 2012 at 05:02 PM Author: suzukir122
@jercar954... that's actually the same with the walmart store
I go to here in Ohio. They recently relamped every lamp in the
store from "warm white" 32 watt T8's, to "Daylight" 32 watt T8's.
About 80% of the lamps were swirling. But now some of the lamps
are either dead or contain a dead ballast. When will people learn...

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