A on alto is C in concert pitch, which is D on tenor. And yes, lowest A on alto (2 finger LH) would be D (3 fingers on each hand) + register key. Cos the alto actually plays below, not above concert pitch, and the tenor is below alto.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.