250w Philips Master SON-T PIA Plus: Ignition.
Shown a couple of seconds after striking.
The lamp glows a lovely white for several seconds before the sodium vapourises and joins the discharge.
Obviously a fair amount of Xenon in there. 
Runs up bloody quick too!

250w Philips Master SON-T PIA Plus: Ignition.

Shown a couple of seconds after striking.
The lamp glows a lovely white for several seconds before the sodium vapourises and joins the discharge.
Obviously a fair amount of Xenon in there.
Runs up bloody quick too!

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AngryHorse   [30 Oct, 2016 at 09:33 AM]
My 50watt Master does the exact same thing!, comes on almost white, them out runs the other two to full out put! Very Happy
Danny   [30 Oct, 2016 at 01:24 PM]
Lush. Some of mine have what looks like a ball of light in the arc tube at switch on

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