Indeed we must all learn by experiment the art of rightly applying Sorbothane ... I thought that my sansui amplifier with his 28 pounds would adequately compress the sorb under it, and who want to put a heavy load on top of his amplifier in the first place ?... It was an error, it must be with the amp. like it was already with my speakers and with my other gear, i estimate now that
it need around (+or- 5 pounds) 40 pound of load to compress adequately the sorb. duro 70 under any gear ... i put approx.15 pound of load more on top of the amp. to obtain the same rate of compression i have already with my speakers and other piece of gear, like my dac, and, By god! the sound coming from the sansui now trough the speakers or trough the headphone out is now way better, imaging also, more lush and airy sound and voice... i am amaze by the potency of sorb. to upgrade my system...
People can mock me, if they prefer to pay thousand dollars for an external sidegrade, they can pay it, i cannot ...Sorbothane is very true internal upgrade, reversible, for peanuts...My sansui amplifier + sorb. is a marvel .....
By the way no audio cie. will say in his marketing rant : «
all audio gear vibrate, our product are the best but you must put 40 pounds of load on top and sorb. duro 70 under it after that, and only after that you will have the best audio in the world»...No way...Vibrations and negative resonance are universal plague in audio, no gear can touch his potential better sound if his enclosure produce polluting resonance that destroy imaging and timbre's cues in the sound space, and it seems that not one cie. in audio world face it truly, but after all they cannot sell load of granite with sorb.duro 70 to remedy that, this would be ridiculous, for sure they can sell you 4 feet of sorb. with a lighter duro, but it will not do the job adequately, i have been there...Hence only in this thread the problem was pointed to by Edstrelow , and the beginning of a solution emerge...
In almost all forums, there is subjective impressions about folk's new gear, an often durable and permanent insatisfaction and the necessity to pay more for better gear, i think perhaps if we have already good piece of audio gear, (for me for example Sansui au 7700 is one of the best amp in 1975 and is certainly not obsolete by any means now, stax are good headphone, he 400 good can also, Mission v60 good speakers ) perhaps if we eliminate vibrations and bad resonance, this good gear will improve to his true own's higher level, and truely that is my experience indeed... When someone is satisfied it is more easy to wait some years before an external expansive upgrade...I say to all of you, try it before buying the new hype product....
(the new hype for headphone is now the Utopia, it is the headphone to buy,but at this price it is impossible for me..The good news is i am no more frustrated, because my headphone is now so good that , (yes Utopia will be better but i will not kill myself eaten by envy before buying it
), my he 400 or Stax are on par with my speakers system, and it is already audiophile sound, hence i can wait couple of years
)
P.S. you can use duro 30 or 40 or 50 , and perhaps you will not feel the need to put some heavy load on top of your gear, but in my experience duro 70 is better for absorbing audio resonance,but it must be compressed, the result are way more evident... ...
