Adc converter does it meters ?

[eladeb]

Hi ,
I have stereo gold .
Wanted to connect them to my turnble .
Have puffin preamp with coaxial .so rca to turnble coaxial from puffin preamp to
ADC and ADC to toslink to speakers .

Two questions:
It that worth the hassle ? Sound wise .
Does it matter what ADC is connected ?

Thanks