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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: SE Pentodes? posted by rws on February 27, 2016 at 17:10:16:
To expand a little on hifipaul's contribution, triode-wired pentodes (and beam tubes) are almost always less linear that the older triodes. That can add some warmth to the sound at low levels, at the price of some congestion at higher levels. A modest amount of feedback can help but it's always a two-edged sword.
In pentode mode, they are usually more efficient but the output impedance is very high, requiring much more feedback to match speakers.
As hifipaul indicated, there are many pentodes and beam tubes to choose from, while the traditional triodes are few, dominated by the 45, 2A3, 300B, 211, and 845.
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Follow Ups
- RE: SE Pentodes? - Paul Joppa 19:17:06 02/27/16 (1)
- RE: SE Pentodes? - morricab 04:17:34 03/03/16 (0)
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