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advice with valvo el84's

Posted: Wed 04/20/11 5:53 pm
by lespaulblues
Hi i bought 2 valvo el84's, they sound really good to me but
one of them is glowing more than the other at the top of the valve,
They are both the same colour at the base.
I had old sovtek's in there and they were same an even glow.
Is this ok.

Posted: Sat 05/21/11 10:41 pm
by dotfret
Probably OK, as long as it is heater glow you are talking about - it's likely down to how much of the glass is covered by the getter metal.