New vs Used - Significant sonic improvements in preamp/amp design in the last 20 years?


I've read many opinions that preamp and amp technology has been mature for many years. Assuming a preamp or amp was rated “Class A”, designed/built well and can still be easily repaired or modified, is there a significant sonic benefit to purchasing new equipment vs well cared for equipment that is 10-20 years old? I’m specifically asking only about preamps and amps (tube based and SS).

If there has been significant sonic improvements over the past 20 years, what design improvement attributed to that change and what are the sonic benefits?
jrader

Showing 1 response by bigkidz

Yes Sir - We option with Caddock resistors (which are custom built for us) and so far have yet to see anything surpass them (please note that Caddock makes a number of different parts that are intended for different applications, so my statement applies to a certain model).


Most designs have not changed that much.  It is not IMO that old versus new but design versus design.  What I mean is for example Counterpoint which I repair and upgrade had 6 or more preamp designs so upgrading the basic preamp versus the top of the line models have benefits but it is not until you modify the lower end models to make the design change to be more like the higher end models do they begin to sound the same.  Even the higher end Counterpoint preamps used a $7.00 volume control.  But like stated above, replacing the older caps and resistors can make big sonic improvements for not much ching.

I would say that most any component can be repaired or modified unless the parts cannot be source but even then there may also be some workarounds to repair them - cost may be the overall limiting factor.

I would put my old Lafayette KT-550 tube power amp up against most any amplifier and probably still be competitive in stock mode.

Happy Listening.