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Questions about tubes and gear that glows. FAQ

Tell us more about the PX4 and PX25....

The PX4 is a very nice tube by reputation. There's TJ Fullmusic new production version with 15W dissipation. So is it any better than a 2a3 sound-wise? All the versions, NOS or new, are very expensive, so it would need to sound superior to a 2a3 to have any viability.

The PX25 has brilliant specifications - better than the 300b. So why did it die out and the 300b become so influential? There are KR and TJ versions, but again very expensive compared with 300b.



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