Actually the official curves demonstrate a considerable amount of 2nd harmonic at the operating points we use, probably more appropriate for PP operation. I have never been entirely happy with the GM70 SE sound, though we have had loads of fun with it, such valves as the 211 destroy it in my book.
Quite possible the GK71 will kill it once and for all.
We'll see.
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Quoting Paul above ... but they are so cheap! And I enjoy them. VT4cs are very expensive - they are better of course and I'm using audionote iron. GM70s are fun and capable. GK71s, I've doen adn await with baited breath for someone to demonstrate their magic - but at that price, does it matter! I don't see that a GK will 'destroy' a GM actually but dare I also hint ....
Curves are curves and measurements are only measurements but using the valves are something else (Is this being a flat earther?). I'll be advocating homeopathy and talking to trees soon
I am eager to hear this latest generation of GKs and GMs - roll on Owston.
Philosophers have only interpreted the world - the point, however, is to change it. No it isn't ... maybe we should leave it alone for a while.
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