When does the law diminishing returns kick in?

in economic terms, production is optimal when mr=mc, i.e., marginal revenie - marginal cost.

in audio it means if you spend an additional dollar to attain less than a dollar's worth of sonic improvement, diminishing returns has been achieved.

this is subjective of course. but i think, i have defined, literally what diminishing returns means.

it is a term used in economics quite frequently as most corporations try to maximize profit.

if you produce too much the additional cost of production will exceed the additional revenue.

in audio , if you spend too much, the additional benefit in sound is not cost justified--subjectively speaking of course.

its almost a corrolary of the famous equation:a sale occurs when the value in use = the value in exchange.

the value in use , could translate into the value placed upon the sound of a a component.

keep it simple. it's basic economics 101. each person has an optimal price to pay for a component. when you exceed that price, your returns have diminished , relative to the cost of the component.