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Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum

tubes with the best 'glow'
tubes with the best 'glow'
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Old 23rd August 2019, 09:00 PM   #81
Wavebourn is offline Wavebourn  United States
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tubes with the best 'glow'
Orange Gu-50 anode. Why? It run away, was gassy. After that external anode surface absorbed gases, and the tube runs like new.
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Old 23rd August 2019, 11:13 PM   #82
Demonkleaner is offline Demonkleaner  United States
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Quote:
Originally Posted by mondogenerator View Post
^ nice! Interesting that some show fluorescence and others not, is that one particular type of tube? I.e the 12SN7

Kyuss fan, by any chance? Guessing from your username.
12SN7GTA's are all RCA.

Yes, I'm fond of Kyuss QOTSA among others.
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Old 25th August 2019, 07:58 PM   #83
hpeter is offline hpeter  Slovakia
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Originally Posted by Wavebourn View Post
Orange Gu-50 anode. Why? It run away, was gassy. After that external anode surface absorbed gases, and the tube runs like new.
hmm do they have a zircon/titan plated plates ???
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Old 25th August 2019, 08:42 PM   #84
claudiomas is offline claudiomas  France
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wen you want use nos transmitting tube you should read this before :
Radio tube reconditioning
no getter tubes go bad if you do not follow minimum reactivation to free thems from gas
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Old 25th August 2019, 09:01 PM   #85
claudiomas is offline claudiomas  France
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Quote:
Originally Posted by panos29 View Post
811a, 845, 211, and 304tl are all amazing glowing devices!
i just find nos 304TL
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Old 25th August 2019, 09:25 PM   #86
Wavebourn is offline Wavebourn  United States
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tubes with the best 'glow'
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hmm do they have a zircon/titan plated plates ???
Something like that, on the external surface of nickel alloy plates.
One guy who served in a military intelligence said that they even had an instruction, in order to reduce power of transmitting to detune antenna until anodes got cherry-red glow.
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Old 25th August 2019, 09:49 PM   #87
claudiomas is offline claudiomas  France
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Quote:
Originally Posted by Wavebourn View Post
Orange Gu-50 anode. Why? It run away, was gassy. After that external anode surface absorbed gases, and the tube runs like new.
life its very very short so enjoy,
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Old 26th August 2019, 04:20 AM   #88
Wavebourn is offline Wavebourn  United States
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tubes with the best 'glow'
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life its very very short so enjoy,
I run it recently, no problem, after several years on a shelf. Looks like cured.

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