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.

Which tube does my amp use? 12AU7 12BH7 12AX7 6CG7 others?

Thread starter HP8903B
Start date 2010-11-27 6:32 am

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SY

2010-11-27 11:02 pm

2010-11-27 11:02 pm

#21

Thanks- my memory failed me, the second hole is also a 12A*7. The third hole is a cathode follower, and that's likely to be 6CG7/6FQ7.

HP8903B

2010-11-27 11:09 pm

2010-11-27 11:09 pm

#22

The third hole is a cathode follower, and that's likely to be 6CG7/6FQ7.

Yeah I think you had this one right the whole time as this socket only lights up the 6CG7.

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