Since i was experiencing few click,it get loud due to high gain amp and potentially blow my speakers knowing these are 450 watt at 8 ohms. I made few listening which one would work on my case without ruining tonal balance from low to high volume. Line level doesn’t ruin tonal except if I choose the lowest 500mv. Pregain which I think ruin bit perfect and line level voltage does not. I could be wrong.Yes presumably because he used positive Pre-gain. What was your point about line voltage?