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Now here's a GP22 I'm testing, gives good emission but has blue spot in gun under test (only one gun connected & tested at a time). Filament color a bit warm ? (camera may exagerate this)
Not too clear on picture but the three getter patches are approx 1" x .5" (diminished from factory size ?)
What pictures do you think this would make ? Safe to operate ?
Like most 1st generation tubes, probably had low actual Gun operation hours.
Last edited by NewVista; 02-04-2011 at 12:48 PM.
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