#1
So yeah I have a Marshall AVT100 (which has a valve pre-amp on it) I decided to take it just out of curiosity and when i played i realised that the valve doesn't actually "glow".

Is it meant to glow at all? see i'm not too sure because i'm pretty sure they are meant to :S

P.S i know very little about the actual electronics of amps so it is probably a stupid question.
#2
It's supposed to glow at least a little bit.

The AVT's valve doesn't really do anything.
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#3
Quote by Raijouta
It's supposed to glow at least a little bit.

The AVT's valve doesn't really do anything.



yeah i thought so, and yeah i knew that before i bought the thing, it was an alright amp for price (second hand)
#4
Quote by Raijouta
The AVT's valve doesn't really do anything.


This
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#6
New Sensor tubes don't really glow (EHX, Tung Sol) so it could be one of these? And for the price of the AVT 2nd hand you could've had a much better amp, if you like it though that's what matters
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