Interesting post, Atmasphere.
It might have been yet more interesting had you noted that you yourself used the 6DJ8 and 6CG7 in earlier versions of the MA-1, and then explained how you later came to the realization that these tubes did not provide the best performance.
It might have been yet more interesting had you noted that you yourself used the 6DJ8 and 6CG7 in earlier versions of the MA-1, and then explained how you later came to the realization that these tubes did not provide the best performance.