More fun to be had modding the input/driver board on the ST70! I have one like that with upgraded caps and three dual triodes in place of the two 6GH8's.
McIntosh MC275 vs Dynaco ST70
I did some comparisons between the two in this video for those who may be interested. I mostly cover the aspects of their sound signature. Happy to respond here regarding any comments others may have to share. Always curious to get others opinions.
Happy listening, ---daniel aka drD
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@viridian : You sir are correct! I said 6GH8 because I couldn't pull the correct 7199 out of memory. Either will work on that input/driver board, with some re-wiring for the different pin-outs. |
@rankaudio nicely done. I enjoy your youtubes and have a Will Vincent ST-70 myself. Kenny's builds look great and keep up the good work. |
Ok I can chime in here, I have owned both and do own 3 Will Vincent St 70s. one in triode. It depends on speakers and preamp, both are great amps, here is my analogy, as a football fan, the MC275 is like Jim Brown, one of the all time greats The restored St70 is like Gale Sayers, also one of the all time greats, but boy do they run the pigskin differently. With a proper and preferred tube preamp, and dynamic speakers, the MC275 has muscle and power and goes deeper, just like Jim brown with my Khorns, I would choose the ST70 every time, finesse, cut , dance and clarity with a run to the end zone, just like Gale Sayers.
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