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Old 20th Apr 2020, 23:29
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mnttech
 
Join Date: Dec 2007
Location: Denver, Colorado, USA
Posts: 197
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The older 1864, 313, 327, 387 etc style lamps just last longer if everything is stable Noise and ripple above 28VDC will shorten their life, and depending on the frequency may even be visible.
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