Keep your amp as it sounds it’s running great and guessing the extensive work done was likely the caps, which is what the 300 series are known for. The amp may last you another twenty five years. If you’re looking to upgrade, speakers will always be more noticeable/rewarding or speaker cables. That’s a beast of an amp so if you don’t have dedicated circuits, you have no idea what your 333 is capable of.
Will a New Amp Sound Better Than My ML333?
I have a Mark Levinson No. 333 amplifier that we bought new over 25 years ago. It was repaired by an authorized service facility 5 years ago. I do not know whether the facility performed any restoration beyond the needed repair, which was fairly extensive. The ML333 is my main amplifier today, as it has been since we acquired it.
Anyway, I generally believe that new technology is better than old technology, so I have been wondering whether I should consider replacing the ML333.
Will, for example, two Benchmark AHB2's in mono mode, or a Bryston 4B3 offer a sonic improvement over the ML333?
If I "upgrade," the amp must have the possibility to be the last amp that I ever buy and must not restrict my possible choice of speakers in the future.