Almost any transformer is a better voice than the stock oem. Larry Pina details the suitable replacements. I assumed Tom lee did likewise ... Either way, the 128K/512K analogue board is equipped with traces for a larger more robust transformer, which ais n almost universal recommendation in our community, along with a complete re-cap ... Finding he parts at this point may be a bit of amchallenge considering how little demand there is to even preserve an old CRT, much less new ones ...