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Original Message
RE: 0B2 & 0A2 Regulator tubes...should they be shielded?
Posted by danlaudionut on June 18, 2012 at 18:30:05:
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