Sounds like you're overthinking a $60 map, dude.

Freezing works but it's a band aid, not a fix. That pitch wobble is the tape stretching when it got yanked, and no amount of cold brings that back. Tapes are fun until they eat your only copy, so I'd track drums clean to digital and keep the Tascam for the vibe stuff where a lost take won't wreck you.

Cut a 70 year old guy's sideburns uneven once and he said his hat hides it.