SM58 mic [XLR connection] -> RNPreamp -> Benchmark A/D Converter [optical connection] ->
Edirol UA-101 Audint [USB connection to PC & Reaper] + [optical out] -> Audioengine D1 D/A Converter
-> KRK R5 Speakers.
Having read the ADC1 manual several times

----- am I doing it right? Any advice, please.