I was thinking the other day, many of us own or mix with UREI mixers, we all love his sound, but what if his components (30/20 years old) start to get old? capacitors, circuitery, Just asking your opinion and thoughts regarding the posibility of thinking that no matter how good a unit can be purchased through ebay or other sources , his sound will not be the same as 20 years ago, If so, which mixe