It is entirely speaker / system dependent.....full stop.
without taking a bi-wire loom for an A-B in-house bake-off, you will never know if a bi-wire is an improvement or a marketing o,scebo. Otherwise, all the blind responses herein are nothing more than anecdotal with no assurance that it will actually work in your system.
So ask your dealer for a weekend loaner for the cables and put it the litmus test, with the understanding that if you do change, he gets the sale (don't stiff him by then buggering off to the used ads in AGON)
without taking a bi-wire loom for an A-B in-house bake-off, you will never know if a bi-wire is an improvement or a marketing o,scebo. Otherwise, all the blind responses herein are nothing more than anecdotal with no assurance that it will actually work in your system.
So ask your dealer for a weekend loaner for the cables and put it the litmus test, with the understanding that if you do change, he gets the sale (don't stiff him by then buggering off to the used ads in AGON)