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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: OPT for 2A3/300B design posted by Tre' on July 14, 2011 at 12:19:47:
The WE 300B data above shows that you get about 3% second harmonic and 0.6% third harmonic at the reference load impedance - which I called RL(opt) when I made this plot. Less linear tubes will have more distortion of course; I have seen as much as 5-10% with some tubes such as regulator and TV tubes not designed for linear audio service.
Notice that the distortion values are tightly clustered, while the efficiency cluster is more broad. That's because the actual beam resistance plays a role in efficiency but not in distortion. These plots are just the standard WE table as published with the original 300B data sheets.
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- RE: OPT for 2A3/300B design - Paul Joppa 19:16:38 07/14/11 (0)
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