Atmasphere, is correct. the mastering machines benefit greatly from bypass caps and general parts upgrades. Have donr quite a few myself.
What is not mentioned is the large leap in head technology that occurred at the peak of the analog mastering days. take a 1950s or 1960s vintage ampex 300 or tube magnecord, and slap in a set of the better nortronics heads or JRF headds, and those machines take a giant leap in sonics.
I still do some live to 2 track work, mostly hi rez digital, but sometimes still lug along a hi speed analog half track.
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What is not mentioned is the large leap in head technology that occurred at the peak of the analog mastering days. take a 1950s or 1960s vintage ampex 300 or tube magnecord, and slap in a set of the better nortronics heads or JRF headds, and those machines take a giant leap in sonics.
I still do some live to 2 track work, mostly hi rez digital, but sometimes still lug along a hi speed analog half track.
best
best