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Questions about tubes and gear that glows. FAQ

It Depends

Most audio tubes are relatively harmless. However, certain transmitting tetrodes use a piece of beryllium oxide on the outside of the tube to conduct heat directly from the anode. This material is hazardous and a known carcinogen, and I would not dispose of it in household trash. Mercury vapor rectifiers should also be included in this category of hazardous tubes.



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  • It Depends - Triode_Kingdom 13:52:07 02/21/24 (0)

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