I have a 1984ish Mkii c; I'm the original owner (even still have the one page of settings and the two page manual)
-Serial number 12275 (which I believe makes it NOT a '+' series)
-Features
--60/100
--Reverb
--EQ
--Celestion Blackshadow (just put it in; Electrovoice 1x12 was the original)
I've...
