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Mystery part in tube tester
I have a Heathkit IT-21 tube tester. I decided to replace the paper cap and noticed a "stack in a clamp" of small disks. Is this a rectifier, a voltage reference, a 2000 amp fuse in a 20 mil ckt, or what?
There's no space between the disks and I didn't want to disturb it. This is a very basic tester I know but it done me well for what I do. What is this mystery part? |
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