AtmaSphere Upgrade from Mk 3.1 to Mk 3.3

I have a pair of MA-1 Silver Anniversary edition amps that I had upgraded to Mk 3.1 some time ago. I see they are now up to Mk 3.III. Has anyone made this upgrade? What did you hear different, and how significant was it?

honest101-18-2020 2:22pm

...
9 posts total
View entire discussion

gdnrbob Details Discussions Posts This discussion Message User 4,409 posts 03-15-2021 at 09:16pm Copy Comment URL Report Comment Edit Delete @honest1 , I am glad you posted your experience. I am also glad that you found it a significant upgrade. BTW, did you get the Caddock Resistor upgrade? Bob
honest1 OP Details Discussions Posts This discussion Message User 586 posts 03-16-2021 at 12:26pm Copy Comment URL Report Comment Edit Delete I had already had the Caddock resistors installed in a previous upgrade.
gdnrbob Details Discussions Posts This discussion Message User 4,409 posts 03-16-2021 at 08:50pm Copy Comment URL Report Comment Edit Delete Thanks for that info. I really wish I had done it while it was in the shop. Oh well, something to add to my upgrade list... Bob

9 posts total
View entire discussion

More to discover