as of 199? a guitar magazine rated a kendrick 4x10 bassman reissue as best .
the old 5f6a bassman circuitry is hard to fault . this guy eats this stuff up and has cool ideas,
http://www.lynx.bc.ca/~jc/fenderAmps.html
I've been going over some speaker info lately so if you have any questions about tose now is the time to ask because I will have forgotten this stuff in no time at all . I'll come back in a while with some general info .