My main 'uke now is a Kala KA-6 six-string tenor, factory-strung as G4, C4-C3, E4, A4-A3. That means it's high-G, the C doubled an octave up, and the A doubled an octave lower. In each double-string course, the lower-octave string is on top. I found it impossible to hear the high A!
First thing...