I have no idea what %.
That some recordings sound better in one polarity flipped at the loudspeakers, no doubt.
Whether an upstream switch rather than speaker invert is better, I can't say. More convenient, definitely. Remote controlled, even better.
Today, I don't bother.
That some recordings sound better in one polarity flipped at the loudspeakers, no doubt.
Whether an upstream switch rather than speaker invert is better, I can't say. More convenient, definitely. Remote controlled, even better.
Today, I don't bother.