Normally the larger the conductor, the more emphasis is made on the low end and vice-versa for smaller conductor. One has to experiment to fin the synergy, ie what gauge of cable to used between each component to achieve the right tonality.
If you like your tonality use a gauge that is the same as the current cable in each position. If non make your IC with a gauge larger or smaller depending on where you would like to go with your tonality. The cotton dielectric makes then most difference in SQ, the size of the wires adjust the tonality.