Hello, I am not sure if this is the right forum to ask this (my apologies if it isn't), but I am just writing in case anybody knows if Promitheus Audio and Mr Nicholas Chua is still in business and answering emails..I ordered a custom made preamp and paid fully more than one year ago...and...

Hello, Is it possible to use an Stax amp like the SRM-007t (tubes) or SRM-717 (solid-state) as a preamp? (line-level I guess, not as a phono preamp, unless that is possible too). Would it be a good preamp? How could it be done, and would it be easy to do? I guess at least a special cable to...