SET Asylum: RE: Which SET is next logical "step up" from 300B? by andy evans Single Ended Triodes (SETs), the ultimate tube lovers dream.

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Posted by andy evans (A ) on June 4, 2022 at 03:51:43

In Reply to: Which SET is next logical "step up" from 300B? posted by Funky Bob on June 4, 2022 at 03:29:00:

I'm not familiar with the boutique 300b tubes, just the "cooking" EH ones and some cheaper Chinese ones. I find the 300b a little euphonic overall and prefer it into 5K.

I prefer the more focussed sound of the 2a3. Or alternatively the 6B4G, which I use in the form of the Svetlana 6C4C which is a very good tube supposedly modelled on the RCA 2a3. So that's my personal choice. I use normal 2-way speakers so I need a 2a3 at least.

For high sensitivity speakers you have 801A and then 45, 46 and 47. High NOS prices and you may need to build the amp yourself or have it built. And then the modern replica tubes from various boutique makers. Very specialised and pretty costly. If you don't want to throw money at this I'd stay with 2a3/6B4G. And of course the input section matters hugely - get that right and you have your "step up".

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