Good idea, try the tube route first. Cables will only give a very small change and it sounds like you need more than a very small tweek.
Cary and Quicksilver tube amps tend to be more forgiving in the midrange. Audio Research and CJ's tend to be a little more analytical. These are just generalizations.
Cary and Quicksilver tube amps tend to be more forgiving in the midrange. Audio Research and CJ's tend to be a little more analytical. These are just generalizations.