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In Reply to: RE: 0B2 & 0A2 Regulator tubes...should they be shielded? posted by danlaudionut on June 17, 2012 at 09:20:13
They'll strike at a lower voltage if there's light available. I haven't heard that they'll regulate to a lower voltage with light. What would cause that?
Follow Ups:
Kyle
They are a "cold cathode voltage regulator tube".
The voltage drop biases the tube.
Direct sunlight will add bias energy to the tube
so that the voltage will be slightly lower.
DanL
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