WTB: LUXMAN C-120A Pre Amp ? Can I use any Lux Pre

Hi,
I have a Luxman M-120a Amp and am currently looking for the matching Luxman C-120aA Pre Amp on vgc.

One other question, is the C-120A the only pre amp that I could use with my M-120A or will any Luxman pre amp work?

TIA