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WY1P

Joined: Sun, Jun 16th 2019, 00:49 Roles: N/A Moderates: N/A

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Gassy vacuum tubes w7MH on 3/6/20
If it's a 3-500Z or similar, the anode must get red in order to de-gas the tube. It has a zirconium "getter" coating that only becomes effective when hot.

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