Tube tester help for 2A3 audio tube


Joined: 11 years ago
Posts: 26
Topic starter  

Hi I have a 2A3 audio tube that is not listed in my tube tester chart. Does anyone have a tube tester that shows the 2A3 tube in the chart. A heathkit model IT 17 will test this tube. 

Any help will be appreciated. Thanks 

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