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Report Review for product Vacuum Tube - 5AR4 / GZ34, JJ Electronics

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I purchased this tube (GZ34S) in for use in a Dynaco ST-70 I rebuilt. It worked great for about 5 weeks then I accidentally hot switched the amp and the rectifier promptly flashed over internally. Yes, this is my fault but upon examination of the tube under the magnifier the cathode and plate connections on one side were just too close to each other.

I rated the tube a 3-star for product construction, perhaps this is too harsh but darn it...

On the other hand, I am very happy this was only a $15.00 tube! I would buy it again, especially for trying out new constructions and first time power up.

NoSpark - December 20th, 2018