It's the only definition that works for high fidelity.
Modern SS amplifiers regularly have THD well below audibility.
I agree. I've spent lots of time on forums discussing with others and later found out that a non-electrically qualified person has misunderstood the original comment. Just as I reckon has happened here.
thanks for the replies guys. I dont have a multimeter but will get one i think. If I was measuring them, how and what do i look out for?.
I dont know the history of the speakers just picked them up fairly recently. cheers