Yes, the 50-60hz cut does get you incremental head room back, and, help "keep it tight."
Boosting 120-250 puts some of that fat back, shelving bass can be used for that too.
I typically keep passive mids at about 10-11 oclock.
I tend to run para treble boosted at 4khz, and shelving treble boosted a bit too.
I too am a fan of the 50 hz cut on the WA, especially with the combo cab. But I'm wondering how you might boost anything below 200 to put some fat back if you are using the bass para to cut at 50-60? My para mid only goes down to 200 (it's a blackface) - do earlier WAs have different para eq parameters?

