dB
Silver Supporting Member
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- 4,449
First a Mullard and now a Telefunken. What's causing this to happen?
Both times the glass cracked at the base and the top got completely smoked. The only thing that I have been doing out of the norm is not using the spring loaded tube cover that holds it securely in place. Not sure how that would cause this to happen, however.

Both times the glass cracked at the base and the top got completely smoked. The only thing that I have been doing out of the norm is not using the spring loaded tube cover that holds it securely in place. Not sure how that would cause this to happen, however.