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Posted: 11/22/2014 10:13:54 PM EDT
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Ok, the positive and negative leads are easily identifiable on a 14 tube to test outside of the shell. I also have. An MX10130D tube I want to test before buying a 7 kit but I have no clue which contact is +/-.
Here is a pic which I'm sure you all are familiar with.. 
Can you tell me which lead is positive and which is negative? Thanks..jp |
| Thanks rbhoover. Do you know if you can half volt it to test like a 14 or do you need the full 3V? I'm pretty sure it's a O-IV\V tube so it won't flicker at half voltage being it's not auto-gated but to be sure I'm not calling it a dead tube using 1.5v when I need the full 3v to light it up. |
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Quoted:
Thanks rbhoover. Do you know if you can half volt it to test like a 14 or do you need the full 3V? I'm pretty sure it's a O-IV\V tube so it won't flicker at half voltage being it's not auto-gated but to be sure I'm not calling it a dead tube using 1.5v when I need the full 3v to light it up. I don't believe you can run it on 1.5 volts but I'm not 100% sure... use a CR123 (not a rechargeable one!) and you should be good to go! |
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