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18w Osram SOX New vs EOL Top, brand new lamp. Bottom, EOL lamp after 3 years, 9 months and 25 days. Didn't really need explaining from the state of it lol. Admittedly the top lamp is the cleanest example I have when I bought 6 off ebay a while ago when they were cheap. All of the others in the batch have varying states of blackening around the electrodes when they were flash-checked at the factory. Cause of death was a fractured arc tube. It's interesting how the cap has been bleached by the sunlight.

18w Osram SOX New vs EOL

Top, brand new lamp. Bottom, EOL lamp after 3 years, 9 months and 25 days.
Didn't really need explaining from the state of it lol.

Admittedly the top lamp is the cleanest example I have when I bought 6 off ebay a while ago when they were cheap.
All of the others in the batch have varying states of blackening around the electrodes when they were flash-checked at the factory.

Cause of death was a fractured arc tube.
It's interesting how the cap has been bleached by the sunlight.

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Filename:387A8426.JPG
Album name:FrontSideBus / HID: Low-Pressure Sodium
Filesize:4246 KiB
Date added:24 Nov, 2019
Dimensions:3070 x 2048 pixels
Displayed:37 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=13081
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Danny   [24 Nov, 2019 at 04:20 PM]
That brown staining at bottom is new?
FrontSideBus   [24 Nov, 2019 at 04:22 PM]
The brown staining on the bottom of the arc tube was there when I last checked it but the brown all around the outer envelope is new.
The big black mark at the top is probably when it leaked and was glowing for ages. The OCV of the ballast I'm using isn't that high and I bet this would have been roasted on ignitor gear!
Danny   [24 Nov, 2019 at 04:28 PM]
Yeah! Definitly! Looks like it had just started the first stages blackening on the outer envelope just before EOL, that blackened sock at electrode makes me think it failed normally then the arc tube almost instantly ruptured! This didnt even look any where near EOL in your last update a week or 2 ago! That surprised me... this is about average really for a 18w.
N418 is 01/2014
Danny   [24 Apr, 2020 at 11:55 PM]
Mine is on the go. 2 years 4 months
FrontSideBus   [25 Apr, 2020 at 01:59 PM]
That guy on LG is pestering me for the EOL lamp. Told him saying im not risking my life atm to send out a fucked lamp!
Be interesting to see if yours looked like mine did at 2yr.
Danny   [25 Apr, 2020 at 08:56 PM]
Haha yeah me too! ... yes i opened the bulkhead up and took a couple of pictures of the lamp this morning. Its in a similar condition to what yours was when you last checked it just before it failed
FrontSideBus   [26 Apr, 2020 at 11:08 AM]
Oh dear lol.

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