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Which tube does my amp use? 12AU7 12BH7 12AX7 6CG7 others?
Which tube does my amp use? 12AU7 12BH7 12AX7 6CG7 others?
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Old 27th November 2010, 10:02 PM   #21
SY is offline SY  United States
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Which tube does my amp use? 12AU7 12BH7 12AX7 6CG7 others?
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.
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Old 27th November 2010, 10:09 PM   #22
HP8903B is offline HP8903B
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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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