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To be honest

...It really wasn't a lot of time or work. I bought a blank board from Tubes4hifi and stuffed it with the previously mentioned caps and resistors. I didn't mean to imply that I had tried, and then removed all the Xicon components.

To a pure objectivist, I certainly wasn't doing any worse by using (mostly) Mil-Spec Dale RN's over the Chinese Xicons VTA was using, even if they "sounded" the same. The exception to the Dales are Riken as grid stops, Kiwame on the plates, and a few PRP in the B+

The same with the Panasonic electrolytics I built it with. They have low ESR, are rated at 105 ÂșC, and had higher capacitance than the Xicon value VTA used. Possibly a lateral move, perhaps, but certainly no worse.

The point of all that is, I feel that I've given the stock circuit a fair chance, and then tweaked via tube rolling, if not the passive components.

I'm not familiar with a pentode input stage, but it sounds interesting.

Oddly enough (or perhaps not) my most involving amp is SS, but it's a (Nelson Pass) First Watt F1J, so it's hardly a typical SS circuit. If the late Art Dudley's Stereophle review is accurate, I'd need to use a good 2A3 SET circuit to better the F1. Maybe it's time to explore that a bit further.


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