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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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In Reply to: RE: How's the bass posted by Jon L on March 21, 2021 at 13:50:38:
The application note is very interesting " By coating the plate with graphene, rather than carbon, our engineers have improved the 300B's capacity for thermal emissivity and electrical conductivity between the plate and filament. Graphene's single atomic layer adheres to the proprietary, "five-nines" pure nickel alloy of the plate, sustaining a higher vacuum that significantly reduces gas evolution detrimental to tube life over time. In addition to extending tube life, this improvement yields higher average plate current and dramatically reduces the effects of secondary emission."I am however not so sure if this is all correct. The heat transfer is mostly reduced by the glassbulb, the quality of the glass. The electrical conductivity shouldnot be an issues too.
But the secondairy emmision dos, that is why nickel, molybdeen , graffite where always use as a plate material and grafeen as a new devellopped material is a bonus.
And how the vacuum would be sustained by graffeen? Why?Btw, I still see blue light in the tube. Probably some free electrons causing a fluorisense effect, hopefully not gas.
Edits: 03/22/21 03/22/21
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Follow Ups
- RE: How's the bass - kobasa@xs4all.nl 08:40:05 03/22/21 (5)
- RE: How's the bass - Brandtacious 18:57:00 03/22/21 (3)
- RE: How's the bass - rivervalley817 19:08:45 03/22/21 (2)
- RE: How's the bass - Brandtacious 19:23:59 03/22/21 (1)
- RE: How's the bass - rivervalley817 19:33:35 03/22/21 (0)
- RE: How's the bass - Brandtacious 18:14:52 03/22/21 (0)
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