(...) In audio, SQ changes due to burn-in does seem to be a real phenomenon. New speakers, electronics and cables all seem to undergo gradual initial changes. The same changes are not heard when well used items are substituted into a system, indicating that its an item’s newness that is key. Similarly items like footers, platforms and racks, which have no electronic component do no undergo gradual changes....the changes they render are, at least in my experience immediate and stable, ruling out listener acclimatisation in the phenomenon.
Whoa. I don't want to go chasing down that rabbit hole.
Is there a clear and logical scientific reason why components work better Whe. 'burned in' and does this mean they deteriorate from optimal state shortly after having been burned in?
With the exceptions of vacuum tubes, transducers, mechanical moving parts and some electrolytic capacitors, NO the don't measurably change.I never realised that my question would turn into such a long thread. My question was specific and two-fold:
1. do components measurably........
With the exceptions noted above, electronic units don't deteriorate.2. do they just carry on in that way hence deterioration
With the exceptions of vacuum tubes, transducers, mechanical moving parts and some electrolytic capacitors, NO the don't measurably change.
With the exceptions noted above, electronic units don't deteriorate.
Oops! I should have written 'meaningful change'.
Of course now with high resolution test equipment, over time, temperature, humidity, voltage and current there very well may be measurable changes in any part or unit.
According to Vishay some precision resistors measurably change during the fist few hundred hours - typical audiophile burn-in time.
What I find most fascinating is that mechanical settling-in times are miraculously close to their electrical object counterparts' burn-in times. In fact, small mechanical objects settling-in times are essentially identical to small electrical object time frame of 53 hours. This leads me to suspect that maybe, just maybe there is no such thing as a real burn-in after all, but perhaps it's all just variations of mechanical settling-in when an energy travels.
+1, really fascinating. We have been wildly experimenting with platforms / footers. There are undeniable mechanical settling "burn in" effects with a remarkable similarity to effects reported from equipment /cable burn in. These experiments are being carried out across a large variety of systems / users.
Also take note of this re XO stability:
View attachment 49495
One thing worth noting. Mechanical settling-in times and electrical burn-in times are remarkably similar when just scratching the surface. But the more extreme the method for managing mechanical energy, the longer it takes to reach a substantially fuller maturity / substantially greater performance levels. But the sonic benefits are so worth the wait because your playback system's level of musicality will be in uncharted waters.
A few years ago I responded in another forum regarding resonant energy mgmt by stating the following,
"The more I dabble with extreme forms of electrical mgmt. and extreme forms of vibration mgmt., the more I’m convinced it’s all just variations of managing mechanical energy. Or was it all just variations of managing electrical energy? No, it’s all just variations of mechanical energy."
I think that sums things up pretty well.
It seems we're travelling similar paths. An interesting thing I noticed is playing your system at higher volume levels reduces mechanical settling times. I'm in an industrial area so I can leave my system playing at high volume levels out of office hours.
Would you mind if I contact you directly to exchange notes? We may learn something from each other.
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