[b]Hey guys. Can anyone recomend some 6l6 tubes too put into the mts 100? Like some tubes have 6l6 s. Or 6l6 r or 6l6 str 440? Just want too put the four 6l6s in. And bias it myself. A good brand that can recomend? And when i replace the 12 ax7 ones the v1 v2 v3 ones do i just put them in ? Or...