Hi, I've a J5 with a PJ4 on order and have just invested in some Markbass gear - an LM Tube head with Club 2x10 and a 1x15 on the way. How do other TBers find the combination of Sadowsky basses and MB gear? What about 'B' strings? Any opinions on 10", 12" or 15" speakers? Cheers.