Little B
Well-known member
Anyone have any info on the factory tube layout of the 3100?
I have a m 90 with a manual but nothing in it about the 3100.This 31's powertubes are 6ca7's on the outer and j j 34's on the inner 2.Is that factory correct?
I have a m 90 with a manual but nothing in it about the 3100.This 31's powertubes are 6ca7's on the outer and j j 34's on the inner 2.Is that factory correct?