Has anyone else done the upgrade from 3.0 to 3.1 - I have M60s of very recent vintage with power and vcap upgrades. It does not seem expensive. I do wonder what the changes are internally and how the perfomance changes, improves? with the upgrade.
Is that class A A/B switch on the M60 3.0? If it is, I never saw it before. I did have the power regulation upgraded 1-2 years ago, so I wonder if my unit would see much changed in the PS.
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