Tubes Asylum

Correct settings for the 300B when testing with the Hickok 539C?

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John PA

I have a few settings but not ones I think are correct for testing the 300B with my 539C.

Does anyone have these settings? Thank you.

iBasso DX300MAX Ti. Focal Utopia and Stellia. iBasso SR2. Mr. Speakers, Ether II, Voce stats. Manley, Absolute headphone amp. LTA MZ3, Z10e electrostatic amp. Many other headphones, amps, cables etc.

Follow Ups:

What tube testers do you not have? nt ;^) - alaskahiatt 10:29:33 06/28/23 (2)
nt
- Many. lol What I would like is one that will . . - John PA 09:45:40 07/02/23 (1)
  put actual working plate voltage on the tube. Small tubes, no problem but for anything like a power tube, forget it.
  What I like is that my testers are all calibrated, either by me or by a professional like Daniel Nelson for my TV7s and TV10 (but he will no longer work with the TV10).
  I also have a Hickok from 1927 and knew a guy that used to use one back in the 1920s to the 1940s.
  
  iBasso DX300MAX Ti. Focal Utopia and Stellia. iBasso SR2. Mr. Speakers, Ether II, Voce stats. Manley, Absolute headphone amp. LTA MZ3, Z10e electrostatic amp. Many other headphones, amps, cables etc.
  
  Edits: 07/02/23
  - Daniel Nelson is a terrific guy to work with. He completely overhauled - alaskahiatt 12:19:04 07/02/23 (0)
    a TV-7BU without a case that I had purchased in Taipei.. He brought it up to just short of a TV-7DU and found a case for me. Unfortunately, the original case stencil says TV-7DU.
RE: Correct settings for the 300B when testing with the Hickok 539C? - Tre' 06:26:12 06/25/23 (2)
I read an article about testing the 300b on a Hickok 539B/C and the Hickok testers have a lot of problems.

Check post #9

Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
- https://www.diyaudio.com/community/threads/testing-300b-on-h (Open in New Window)
- Thank you . . - John PA 09:57:23 06/25/23 (0)
  for the link! Very interesting. I have a 177 as well, that is like new and tests well but don't use it very often.
  So it says not to use Range D on the 539C for the 300B.
  I have a nice calibrated TV10 and 752. I guess I need to see what they would do with a 300B.
  
  .
  
  iBasso DX300MAX Ti. Focal Utopia and Stellia. iBasso SR2. Mr. Speakers, Ether II, Voce stats. Manley, Absolute headphone amp. LTA MZ3, Z10e electrostatic amp. Many other headphones, amps, cables etc.
  
  Edits: 06/25/23 06/25/23
- I have a couple of TV7s. . - John PA 09:52:48 06/25/23 (0)
  but was hoping to get a current number as well, which I can do with my 539Cs, since I use a digital meter on the 539cs I have for that purpose.
  
  I have read of some issues as well. I was hoping there was a base line for starting with measurements but maybe not. I never like using my amps as tube testers. :^)
  
  iBasso DX300MAX Ti. Focal Utopia and Stellia. iBasso SR2. Mr. Speakers, Ether II, Voce stats. Manley, Absolute headphone amp. LTA MZ3, Z10e electrostatic amp. Many other headphones, amps, cables etc.

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