Thanks for this most interesting video about a vintage tube checker. Many of those labels, such as the 35C5, are familiar since I grew up in my Dad's radio and TV store in the 1950s. I would spend many after-school hours with a B&K tester using punch cards, testing and labeling those glass tubes, such that the service techs new from the start whether the failed tubes were the problem and easily replaced, or whether further diagnostics were required.
I am glad it brought back some good memories. I remember my dad (an auto mechanic) opening up the back of the TV, pulling all the tubes, and taking them to Radio Shack and testing them. It seemed like magic then which makes it so interesting to me now that I can understand it!
In a vacuum tube current flows from cathode to plate. The flow of electrons is termed electron current. Electrons flow from the negative terminal to the positive. Conventional current or simply current, behaves as if positive charge carriers cause current flow. Conventional current flows from the positive terminal to the negative. the term used in vacuum tube theory is known as thermionic emission from a heated cathode.
You are so right. I use obs studio and rode wireless microphones and somehow my clips have messed. up audio. It drives me nuts. I'll keep working on it!
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Thanks for this most interesting video about a vintage tube checker.
Many of those labels, such as the 35C5, are familiar since I grew up in my Dad's radio and TV store in the 1950s.
I would spend many after-school hours with a B&K tester using punch cards, testing and labeling those glass tubes, such that the service techs new from the start whether the failed tubes were the problem and easily replaced, or whether further diagnostics were required.
I am glad it brought back some good memories. I remember my dad (an auto mechanic) opening up the back of the TV, pulling all the tubes, and taking them to Radio Shack and testing them. It seemed like magic then which makes it so interesting to me now that I can understand it!
In a vacuum tube current flows from cathode to plate. The flow of electrons is termed electron current. Electrons flow from the negative terminal to the positive. Conventional current or simply current, behaves as if positive charge carriers cause current flow. Conventional current flows from the positive terminal to the negative. the term used in vacuum tube theory is known as thermionic emission from a heated cathode.
Why not use a tuner wash to clean the switch contacts?
There's no audio in the left channel.
Wow I can't believe I missed that!
Hay, your blocking the view when you set switch's !!
Ask Rob's Fixit Shop to fix your audio.
You are so right. I use obs studio and rode wireless microphones and somehow my clips have messed. up audio. It drives me nuts. I'll keep working on it!