No excess length!
A copper wire resistance equals to Ro (the metal conductivity constant), multiplied by its length in meters and divided by its cross section in square millimeters.
The longer the cable the higher is its resistance...
You should have speaker cables as short as possible, to keep the resistance as low as possible.
The shape of how you lay the extra length is not v big deal. the extra length IS!
A copper wire resistance equals to Ro (the metal conductivity constant), multiplied by its length in meters and divided by its cross section in square millimeters.
The longer the cable the higher is its resistance...
You should have speaker cables as short as possible, to keep the resistance as low as possible.
The shape of how you lay the extra length is not v big deal. the extra length IS!