Direct By- Pass

There is a difference, most pre-pros will take the analog 2ch source like a cd player, send it through its digital processors, then to it's preamp section, even when you use the RCA style input. The music is getting converted twice, once from your cd player or dac and then through the preamps A/D chips. Unless it says true analog by-pass this is whats occuring.

Receivers without a pass through get digitized by the DAC and degrade the sound. Receivers with the pass thru keep the signal analog using the CDplayers dacs.

I think I'm following this - So if a pre-pro does not have A
HT pass or direct pass, the sound can be no better than the
pre-pro regarless of whether I use the digital cable to the pre-pro or the analog RCA. I have read on this site some
things on HT pass and this helps clear this up.

Finally is it better to have a HT pass or direct pass? If
it's a direct pass than is the sound still from the pre-pro
just using the dacs from a CD player?

Regards