If a speaker cable added 1 - 2 ohms of resistance would that be?

At 14 gauge it would need to be over 500 feet long to be around 1-2 Ohms.

It would not be worthy of worry. Better to insert a small resistor and see if you like it.

WHY??

If the speaker’s impedance changes markedly with frequency -- as speakers tend to do -- a couple of ohms in the speaker cable would be a bad thing indeed. It would form a voltage divider whose values vary with frequency. That would change the frequency response in what you hear from the speakers. (I mean it would change it objectively, not in some magic audiophile way.)

I'm expecting a 1-2 Ohms resistance in speaker cables would impact the signal presented to the speakers and different than the designer of the speakers or amplifiers considered.

Good answer Mike in NC.