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Equipment burn in time

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jessearias:
I usually try to burn in new stereo equipment at least 100 hours strait before I put it into service. Is that enough? I have no problem burning it in more, but trying to get an opinion on what is enough initial burn in to get good performance.  :?

mikeeastman:
I find that 200 hrs  for most gear works, but I recently had some op amp that took 400 hs  before they sounded their best.

tmazz:
It really depends on what you are trying to burn in and what is inside of it. 100-200 hours is OK for lots of things, but certain caps and dielectric materials (like teflon) can take much longer sometimes even 400-500 hours. You can certainly listen during this time, but will often hear differences in sound quality as things burn and/or break in.

Nick B:
There was an old thread a couple of years ago about my Antelope Gold dac. Sounded horrible out
of the box. The consistent advice I got was put lots of hours on it, up to 500. The more hours, the better it sounded. I took notes along the way. Back then, I was using old speaker cables and ic's.
With ganders aka Gary's cables that I use now, the differences would've been even more pronounced. I'm certainly a believer in the break in phenomenon. Maybe a couple of the manufacturers here can chime in
Nick

BobM:
And don't forget turn-on time. We all know tubed equipment takes 20-30 minutes from turn on to sound good, but even SS electronics take time. Some say SS amps should be left on all the time because they sound better a day later. I've heard a DAC sound like crap 10 minutes after turn on only to shine 45 minutes later.

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