The arc of my Sylvania HSI-TD 70W/NDL
[url=https://postimg.cc/QFqPmRK8][img]https://i.postimg.cc/QFqPmRK8/IMG-1274.jpg[/img][/url][url=https://postimg.cc/SY6XYPcV][img]https://i.postimg.cc/SY6XYPcV/IMG-1281.jpg[/img][/url]
Have Na-Sc.

Edit 5.1.2026: [url=https://www.youtube.com/watch?v=AOeNcjZmGEQ] Video of the lamp in operation [/url].
Edit 2: [url=https://www.youtube.com/watch?v=mpck8i4Tj20] Better video of the hot restrike, when my room is darker [/url].

The arc of my Sylvania HSI-TD 70W/NDL


Have Na-Sc.

Edit 5.1.2026: Video of the lamp in operation .
Edit 2: Better video of the hot restrike, when my room is darker .

IMG_0684.JPG stuckstarter.jpg IMG_1275.JPG IMG_1273.JPG IMG_0632.JPG
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dor123   [01 May, 2026 at 01:52 AM]
Update: Better pictures.
AngryHorse   [01 May, 2026 at 06:19 PM]
I have a BLV similar to this with a heavy halide dose Cool, that’s a similar yellowish colour, probably 3500 K
dor123   [01 May, 2026 at 06:36 PM]
@AngryHorse: This lamp don't have such a heavily dose of halides. The arc can clearly be seen. The 3000K version have a heavily dose of halides that the arc is partially obscured.
At least, the hot restrike looks impressive, compared to the 3000K and my past 5500K Sylvanias.

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