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EL34 have a bluish glow

The new EL34s(SED) in my MV-55 have a bluish glow in certain parts of the tube along with the orangish glow on the top and the bottom. Is that normal? Are these symptoms of overdriving the tubes? Is my amp chewing up the tubes too fast? The amp has been biased as given in the manual and it sounds perfectly fantastic. Any insights?

Regards,


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Topic - EL34 have a bluish glow - Yogesh Verma 06:38:00 09/05/03 (7)


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