Yep Keith, like I've ever said I get better results than anyone else, as a result of tweaking. Or that someone else would do way better if they tweaked.
Many tweaks are mechanical devices, absorbing energy in certain frequencies and/or radiating it delayed in time. Electrical devices are much harder to accept or understand, as they deal mostly with the indirect effects of EMI/RFI noise in our systems, and our expertise ends at 20 KHz ...
If this is the case it also makes sense to be very careful as we can simply add distortion on top of distortion. What if we have 3 tweaks that actually affect the same thing all stacked together, all creating their own non-linearities? Possibly a big fat mess that is worse than simply sitting the component on the floor.![]()
And then we have this "tweaked out" system and make decisions about cables and maybe even components on top of all that... it's easy to imagine how it's impossible to judge anything anymore. Even if we only change one thing at a time, without understanding what it's actually doing when we do something else we can't understand how they interact.
Well said, Dave. I made this error myself re: TT isolation and haven't looked back.
I agree with this. We try "tweaks" without understanding them, which is why we call them "tweaks" and don't refer to them according to what they actually do most of the time.
In the case of footers and racks I believe all we are doing is modifying the system's electromechanical feedback devices. An easy example is any vacuum tube. The speaker causes vibrations in the air that are transmitted to the glass envelope of the tube and acts as a transducer to convert some of this mechanical energy into electrical energy. Depending on material properties of the system such as mechanical impedance, energy storage and hysteresis, some frequencies will be attenuated more than others and of course there is some time delay, which may vary too.
I believe if the tweak makes the sound coming from the speaker closer to what the brain expects to hear then we call it better. It is clear and obvious, imo, that most prefer to have some amount of added harmonics and reverb. I've experienced the addition of these things make female vocals sound more clear and intelligible than without them added. I don't think a lot of this behavior is very intuitive because it would seem to defy logic. Yet, it's not anything modern acoustics will teach you, but possibly an expert on psychoacoustics could...
If this is the case it also makes sense to be very careful as we can simply add distortion on top of distortion. What if we have 3 tweaks that actually affect the same thing all stacked together, all creating their own non-linearities? Possibly a big fat mess that is worse than simply sitting the component on the floor.![]()
And then we have this "tweaked out" system and make decisions about cables and maybe even components on top of all that... it's easy to imagine how it's impossible to judge anything anymore. Even if we only change one thing at a time, without understanding what it's actually doing when we do something else we can't understand how they interact. Couple that with the difficulty of remembering acoustic events accurately and human bias and it's pretty obvious how systems can vary so much and that really good systems are either luck or setup by someone with an intuitive understanding of how the system works. Also, it explains how you can setup $1M in gear and get fairly ordinary results, which is common enough...
I am reminded of Rockitman's TechDAS AF1 which has its own air isolation but also sits on a custom HRS platform. This combination was then placed on top of an active isolation table which did not improve the sound, as I recall.
Now the brinkmann balance was voiced on an HRS platform.
Hello Sujay,Hi Tang, I notice you have used the Uni Din alignment curve. Is this the same you are using to align the Master Signature as well?
Detrich made me a special XXL Axiom for the EMT 927 original mounting hole. The pivot to spindle distance was a bit off so the cart setup was not at optimal. Only a few days ago he sent me the new mounting base with more flexibility for adjustment. Now I have the perfect alignment to his Smartractor.
Noone got it right the first time with custom arm. Mr.T went with the Thales camp using a custom Statement arm and it also didnt work properly the first time. If the tt werent too heavy and I had a visa, I might carry mine over to his place for the shoot out to see whose 927 setup sounds better. We both use the GFS on 927.
@Bonzo. I just have to leave you wonder how much better it sounds now.
Tang
View attachment 46510
iPhoneGreat picture. Can I ask what camera or ccd microscope you are using to take it?
Wow! Is it an audiophile model?![]()
Thanks!Hello Sujay,
No, that is only for my Axioms. I used the DBSystem for my Master Sig. which is on the SME.
Tang
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