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Help? Valve Pins Gone Loose On 12AX7-T
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Author:  ILoveHiFi [ 08 Nov 2017, 03:44 ]
Post subject:  Help? Valve Pins Gone Loose On 12AX7-T

I want some suggestions on what I can do, pin 3 on my Shuguang 12ax7-t had gone loose. It can be wiggled by hand.
Not sure if the vacuum tube is gone, since I had just discovered this.

I never checked my pins even from the start. Not exactly sure if the pins were lose when I revived them brand new.

Author:  Geek [ 08 Nov 2017, 06:22 ]
Post subject:  Re: Help? Valve Pins Gone Loose On 12AX7-T

Bum tube, replace it. :(

It happens to many manufacturers that get a bad pin-to-glass seal.

Author:  ILoveHiFi [ 09 Nov 2017, 19:27 ]
Post subject:  Re: Help? Valve Pins Gone Loose On 12AX7-T

Heres some good news, I had let the tube sit for 24 hours and the tube still works today, I suppose the pin was lose brand new, however it does not leak.

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