Despite their loudness, they could absorb a lot of punishment.
A remake, reissue, or custom builder? Early to mid 69 are generally like late 68 era from the amps I have owned and worked on.
A center toggle switch offers mid punch, mid-scoop and a flat option.
Thinking about a complete reuild of the 68, but I would love to be able to diagnose the problem, if there is one, more precisely.
Here's another clip which demonstrates a harsh breakup which happens particularly with one guitar with the 68.
Go examine the schematics of both circuits and you'll find they are almost the same.
Just can't decide either to go vintage, albeit a 72 Superbass or go Metro for the 67 circuit I believe? People also listen to all these YouTube clips of various old Super leads or any old amp for that matter and I think they forget that they are listening to amps that are now 50 some years old and the components have drifted etc.