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RE: I'm not going to argue with someone who thinks we know everything about nature.

Vasil,
I have just finished comparing the new Synergistic Research fuse to the Isoclean fuse in my Art Audio PX-25 amplifier (6.3 amp small slow blow). Before testing I confirmed my speakers were (laser verified) in optimal position as they have been known to get jarred out of alignment by others in the house. In summary I preferred the Synergistic Research fuse. The sound is "cleaner". Listening to The Wes Montgomery Trio - SACD was a good test. You have Wes playing a lot of harmonics, Paul Parker (drummer) supplying percussion with delicate brush work, and Melvin Rhyne supplying low bass notes on the organ. The Isolcean has a mellow sound but at a sonic cost. The SR fuse has more detail - the drum brush work sounds better, the low organ bass notes have complexity, and the harmonics when Wes plays those famous cords the decay is richer. The SR fuse also gives a more relaxed musical feel to the music.
Both fuses are certainly better than the stock fuse. The difference between the fuses above are on the order of rolling 6SL7GT tubes. The SR has the clarity (but no brightness or harshness) like a Valvo 6SL7GT. The Isoclean is darker (with less resolution) like a National Union 6SL7Gt tube. The stock fuse is like a disposable Russian tube.


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  • RE: I'm not going to argue with someone who thinks we know everything about nature. - David Pritchard 19:56:58 07/07/12 (0)


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