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How far have ss amps really come in the last twenty years?

I have owned and enjoyed my Jeff Rowland model 8 ( recently modded and upgraded by Jeff to the last version) for many years. I recently had the opportunity of comparing it ( after mods) to a few of the current ss models from Gamut, D'Agostino, YBA, Parasound, Sim audio, CH precision, Constellation,PS audio,Pass Labs  and Musical Fidelity. The results were very interesting, because to my ears and in the systems that we did the comparison, the Rowland held its own against all but the most expensive D'Ag and CH amps. Even those were only very slightly outclassing the Rowland in the areas of top end resolution...and a tad in the bottom end resolution. Now the thing is that the last revision to the Rowland 8 was designed by Jeff over ten years ago! 
So, my question for those more technically inclined than myself is...how far has the design of ss amps come in the last ten...or even twenty years? 
daveyf

Showing 2 responses by georgehifi

georgehifi's avatar
georgehifi
10,312 posts
 
a lot of manufacturer’s now depend on fancy casework to attract the hobbyist and to justify the very high pricing structure.
They seem to know where their customer base is and design the casework appropriately...regardless of the technical merit..or the actual SQ. All IMHO.

Ditto.
And there’s a lot of these "Glitz Queens" in audio, they think if it looks the goods it must sound the goods, and ignore even if if their ears are telling them different (or they can’t tell).
They’re usually the same ones that put these "glitzy" components up on just as "glitzy pedestals" in between the speakers (unknowingly ruining the stereo imaging) so they can gaze at them in wonderment and awe at what they've purchased while "trying/pretending" to listen to music.

Cheers George
georgehifi's avatar
georgehifi
10,312 posts
 
How far have ss amps really come in the last twenty years?

Quite a bit, just to pick one area, global feedback was used too much to get distortion down 20 or more years ago, these days the good ones do it without too much feedback, and with the use sometimes of just local feedback, but that takes a bit more matching ect to do right but the rewards are exponential.

Cheers George 
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