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1996 Osram SON-R 400W after start up A unique lamp that was only sold in the UK, first by GEC and then by Osram. This is the 400W variety with an internal snap starter. The othher 310/360W variety was more popular as it was a drop in replacemnt for HPM lamps with only selecting another ballast tap. This pictures shows the lamp just after starting.

1996 Osram SON-R 400W after start up

A unique lamp that was only sold in the UK, first by GEC and then by Osram. This is the 400W variety with an internal snap starter. The othher 310/360W variety was more popular as it was a drop in replacemnt for HPM lamps with only selecting another ballast tap. This pictures shows the lamp just after starting.

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Filename:IMG_0619.JPG
Album name:Alex / High pressure sodium lamps
Filesize:3189 KiB
Date added:05 May, 2026
Dimensions:2730 x 2048 pixels
Displayed:104 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=24848
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FrontSideBus   [05 May, 2026 at 04:38 PM]
The snap starter does make a nice noise Smile

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