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14 year old EOL GE 8w triphosphor 2700k tube This tube Has probably averaged around 3-4 hours daily over 14 years in my picture light with electronic ballast. Replaced with Luxram triphosphor 2700k tube

14 year old EOL GE 8w triphosphor 2700k tube

This tube Has probably averaged around 3-4 hours daily over 14 years in my picture light with electronic ballast. Replaced with Luxram triphosphor 2700k tube

DSC_0004.JPG 24vInvertec.JPG 20241008_225439.jpg IMG_20240525_202640692.jpg IMG_20240525_203123651.jpg
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Filename:20241008_225439.jpg
Album name:RobTDCI / Failed
Filesize:2406 KiB
Date added:08 Oct, 2024
Dimensions:1988 x 2048 pixels
Displayed:12 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=21845
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Comment 1 to 5 of 5
Page: 1

Flurofan96   [09 Oct, 2024 at 12:40 AM]
It has done very well
dor123   [09 Oct, 2024 at 07:16 AM]
Which electronic ballast it have? It seems to continue to work despite it is EOL, and that there are no EOL protections.
RobTDCI   [09 Oct, 2024 at 09:22 AM]
Not sure if the ballast has EOL protection. I noticed an occasional flicker so replaced
tube immediately before any damage to the ballast could occur.
Beta 5   [09 Oct, 2024 at 12:28 PM]
I wonder if this has got a HF matchbox blue or similar? I think those can keep an EOL tube going until vacuum loss. Good life on that tube, was it a Hungarian or Chinese made one?
dor123   [09 Oct, 2024 at 12:55 PM]
The HF matchbox blue have lamp filament fusing. Only the cheap electronic ballast don't have any protection and drives the EOL lamp to vacuum loss.

Comment 1 to 5 of 5
Page: 1

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