• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

How to change tubes ??? (NEWBIE)

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leimaster

Member
Joined 2006
Hi to everybody.
I have a Music angel with n°2 12AU7, n°2 12AT7WA and n°4 KT88.
I would like to change the first two kind (I have them from Mullard), but I don't know if something can be broken.
Reading the other posts I saw something about the bias. There is a bias for this kinds of tubes too?
Bye
 
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