Now that we've got that cleared up, running cables in shotgun fashion will DRASTICALLY alter their electrical characteristics. Any "special geometry" between the positive and negative conductors in the original design that was included to increase cable bandwidth ( such as braiding, twisting, etc...) is effectively negated when doing this. Inductance will go WAY up and series resistance should be reduced by half. In effect, we have doubled the gauge of conductors and increased the dielectric gap between the two polarities by a massive amount.
Since the resistance is lowered ( this is a good thing ), you might have better control over the drivers that produce the most reflected EMF ( electromotive force aka "voltage ) like woofers, etc... However, the increased inductance will produce greater roll-off and veiling of details as frequency rises. Dielectric absorption is also increased, as you've got twice as much insulator / cable jacket to work with.
The bottom line is that you'll probably experience warmer, tighter and more robust low frequency response with a softening of upper mids and treble response. One could somewhat "fine tune" the tonal balance of an arrangement like this by playing with the spacing or "gap" between the positive and negative cables. Some have used this to "smooth out" problems with digital glare or sibilance with great results.
Obviously, some speaker / amp / wire combo's would respond differently than others depending on the complex impedance that resulted. Results WILL vary from system to system and would be strictly a matter of personal taste. Sean
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