Where did 8 say that you’d claimed it was impossible? Or for that matter that I don’t find it convenient to use a tuner? The point I was making was that, if you can’t cope without one and have no contingency plan, you’r effectively stuffed.

Back in the day, a communal Conn ST-11 was a common feature of a band’s backline but I don’t think they were introduced until the 70s.