Anyone has a curve tracer to trace Western Electric 436A 448A 418A in triode mode ? - diyAudio
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Old 12th February 2015, 04:59 PM   #1
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Default Anyone has a curve tracer to trace Western Electric 436A 448A 418A in triode mode ?

I want to have the triode curve for the WE 436A, 448A, and 418A.

Does anyone have a curve tracer that can trace these tubes and would like to trace them for me ?

I would ship you these tubes.
I would provide the socket if necessary.

Thank you in advance
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Old 27th June 2015, 01:43 PM   #2
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bump
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Old 27th June 2015, 02:26 PM   #3
DUG is offline DUG  Canada
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Probably be a good idea to include your location in the world...someone in your neighborhood might have something.
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Old 27th June 2015, 02:33 PM   #4
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Old 27th June 2015, 03:20 PM   #5
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Are you finding a lot of the tubes gassy? I had a bunch of 429A's that are gassy and exhibit blue glow between the grids.
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Old 27th June 2015, 04:05 PM   #6
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Quote:
Originally Posted by astouffer View Post
Are you finding a lot of the tubes gassy? I had a bunch of 429A's that are gassy and exhibit blue glow between the grids.
No
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Old 1st July 2015, 12:04 AM   #7
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Anyone ?
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Old 1st July 2015, 12:33 AM   #8
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Morgan Jones did a review of a vacuum tube curve tracer, in a recent Linear Audio magazine. As luck would have it, that article is one of the few that are available for purchase individually: (link). Jones was very enthusiastic about this curve tracer, as I recall.

You might consider reading Morgan Jones's article, then possibly buying one of these curve tracers for yourself -- or finding four other people who all want a tube curve tracer, and each paying 20% of the purchase price. The web page says "More than 400 uTracers in operation in more than 40 countries."

(Here is the site) and the price appears to be 225.
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Old 27th August 2015, 09:36 PM   #9
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bump
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Old 8th March 2016, 02:26 AM   #10
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Bump... any news?
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