Head-Fi.org › Forums › Equipment Forums › Dedicated Source Components › Schiit Bifrost Uber Analog Upgrade
New Posts  All Forums:Forum Nav:

Schiit Bifrost Uber Analog Upgrade - Page 18

post #256 of 1139

LOL, I considered rubbing it with the cat for good luck :-)  

I emailed Jason and was told it can take a while to open up. I'll report back... currently burning it in.

post #257 of 1139

LOL, I considered rubbing it with the cat for good luck :-)  

I emailed Jason and was told it can take a while to open up. I'll report back... currently burning it in.

post #258 of 1139
Did Jason give a recommendation how long? TIA
post #259 of 1139

So Jason believes in burn in for DACs? 

post #260 of 1139
Quote:
Originally Posted by traehekat View Post

So Jason believes in burn in for DACs? 

If you go back to the original Bifrost thread, yes he does. I believe 100 hours was the time given in that thread. Maybe 50? can't remember, and too lazy to look it up.

post #261 of 1139
Quote:
Originally Posted by traehekat View Post

So Jason believes in burn in for DACs? 

 

If I recall correctly Schiit does a short burn-in run at Schiit HQ for each unit they assemble before shipping (this is for both their amps and DACs), so yes. No idea if they burn-in the the Uber or Gen 2 cards before shipping out, though.

post #262 of 1139
^ I think it was something like 100 hours recommended, and 50 hours at the factory. I referred to it in my review, but too lazy to look it up as well.

IDK that this means he necessarily 'believes' in it though.

Maybe his view is like (the quantum physicist) Schrödinger's. On being challenged about the 'lucky' horse-shoe nailed to his office door: "Surely you don't believe in this superstition?" he replied:

"Of course not! But I heard it works anyway, whether you believe in it or not..."
post #263 of 1139

Solid state electronics mind burn-in?  I rub my lucky rabbits foot.

post #264 of 1139

AiDee, exactly.

 

Nothing ventured, nothing gained, etc.
 

post #265 of 1139
Quote:
Originally Posted by Rope View Post

Solid state electronics mind burn-in?  I rub my lucky rabbits foot.

 

That's exactly what I thought.  I can't say I noticed a difference with the uber upgrade.  But I was going to return my Burson Conductor after I plugged it in.   After ~24 hours, then again ~100 hours it sounds like an altogether different amp.  I didn't give much credence to solid-state burn-in before that experience but I do now.

 

Unless it's not actually the solid state components, but rather the capacitors.  I'd like to find the scientific explanation for the phenomenon.

post #266 of 1139
Quote:
Originally Posted by BobJS View Post

 

That's exactly what I thought.  I can't say I noticed a difference with the uber upgrade.  But I was going to return my Burson Conductor after I plugged it in.   After ~24 hours, then again ~100 hours it sounds like an altogether different amp.  I didn't give much credence to solid-state burn-in before that experience but I do now.

 

Unless it's not actually the solid state components, but rather the capacitors.  I'd like to find the scientific explanation for the phenomenon.

 

The best theory I've heard so far is Electron Migration.

 

I know that burn in is real with solid state devices, I found out when I was into overclocking gaming computer rigs.

post #267 of 1139

IMO. Bifrost has burn in, period. I experienced it. (same goes for the little Modi)

post #268 of 1139

I definitely also experienced burn in with the original board on the Bifrost. I remember being underwhelmed initially.

@AiDee, Jason didn't give an exact time, he just said it can take a while.

post #269 of 1139
Thanks boulous.

Just checked the draft of my review from 2011. The account of my first impressions was: "I had just listened to five tracks earlier that morning [with the Eastern Electric MiniMax DAC IIRC]. With the Bifrost barely warmed up, I listened again. I had not equalized levels at this stage; this was not an A/B. Based purely on audio memory, my impressions were the Bifrost was exceptionally clear, had excellent attack, seemed over-bright and a touch thin, and - straight out of the box - just might be a little wearing with extended listening.". It sounded different later, of course.

A regret is that I didn't A/B with my other two dacs during burn-in. Could've been instructive. OTOH, I didn't think I'd hear differences between the dacs anyway, let alone burn-in changes!

Also recorded, concerning Bifrost burn-in, was this: "Although it struck me as a fairly casual issue to Jason - he had to be asked after all - his answer on this point was that all units are burned in for 24 hours at the factory, and their amplifiers benefit from 50-100 hours after that. He suggested a similar period would apply to the Bifrost."
post #270 of 1139

 A perverse question: is there anyone who prefers original Bifrost to Uber-upgrade Bifrost? Is there anything in the original that sounds better than in Uber-?


Edited by korzena - 6/5/13 at 5:21am
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Dedicated Source Components
Head-Fi.org › Forums › Equipment Forums › Dedicated Source Components › Schiit Bifrost Uber Analog Upgrade