having finished a 405 clone the burning in theory comes to mind [help=]%[/help] do i leave amp on or off when not in use also i intend to purchase marantz cd63 se or 67 se for upgrade any advise will be a great help thankyou bernard
Could you "burn in" one version of the clone using 24hr 5days of continuous music and then compare that clone to a second clone that is fresh with only a couple of hours of warm up?
IMHO, performing a 'burn in' is more for catching 'infant mortality' in your parts and ensuring there are no hidden issues in design or construction. It is more of a quality control thing; I'm not sure I believe in the sound changing after a few thermal cycles.
My 2¢, YMMV.
My 2¢, YMMV.
"Burn-in" for sound improvement is just another type of "audiophoolery". No science involved. You do not need to do it.
I firmly believe that reforming has a big bearing on the way electrolytics perform in a build.
The manufacturers believe that reforming is part of the specification that ensures repeatability in the testing procedures. They insist that the test cap (DUT) must be reformed immediately (they state a maximum time elapsed) before carrying out the specification test.
I have heard one Member reporting that in circuit reforming has a different sound outcome from reforming before assembly.
I do not believe that an electrolytic that needs reforming (due to previous history) can be installed and perform properly in the first few seconds or minutes of first power up.
This first power up effect is due to the continuous dissolution of the dielectric that occurs in all aluminium electros with time and temperature, whether new or old, i.e from the moment that the caps are manufactured and throughout the history of every individual capacitor.
This is NOT BURN IN
This is simply preparing the cap to do it's job.
The manufacturers believe that reforming is part of the specification that ensures repeatability in the testing procedures. They insist that the test cap (DUT) must be reformed immediately (they state a maximum time elapsed) before carrying out the specification test.
I have heard one Member reporting that in circuit reforming has a different sound outcome from reforming before assembly.
I do not believe that an electrolytic that needs reforming (due to previous history) can be installed and perform properly in the first few seconds or minutes of first power up.
This first power up effect is due to the continuous dissolution of the dielectric that occurs in all aluminium electros with time and temperature, whether new or old, i.e from the moment that the caps are manufactured and throughout the history of every individual capacitor.
This is NOT BURN IN
This is simply preparing the cap to do it's job.
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