• 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.

Is this top of bottom view of 12AX7 / 6N30P?

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Reality check before I burn stuff: Is this top of socket view or bottom of socket view for these tubes?

Thanks so much

Petter
 

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Hi Petter.Glad to hear from you.
I think I remembered an old rule for tubes that the 1 was first left view from bottom.Don't know if it makes clear or not, but...I am not so tubed :darkside:

I think you could see the filaments at the center of the tube,should be 4 5 with 6.3V

Sometimes the common is not specified to inside tube for a 12V operation

OUUUPPSS !:bigeyes: :bomb: :pirate:

Hope you won't burn anything....
 
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