What's the best way to break a system in?
Comments
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SolidSqual wrote: »I can't find the results . . . anybody got a link?
This is a different article, but here is a link:
http://www.audioholics.com/education/loudspeaker-basics/speaker-break-in-fact-or-fiction -
sucks2beme wrote: »Dumb teminals. line printers, PDP11's, AS400, system 38.
You aren't the only one! My head is full of now useless trivia.
MTTF was a useful planning tool. The U will always be the pattern
of failure.
It's a shame no one has made any real studies on break in
of electronic/cable combos. It's got to be measurable.
If it can be heard, it has to be making a change that can be measured.
PDP 11/70s, 11/45s, Vax/VMS 11/780s, 11/44s, RSX 11, DEC LA 36 and DEC LA 120 printers, and here is one I'll bet you've never heard of, Beehive dumb terminals and if you can tell me the model numbers you win a prize. I was sent to Salt Lake City for a week in 1978 to learn the various Beehive terminals and I can't for the life of me remember the model numbers I do however remember those piece of **** E-PROMs that were so static sensative that you had to wear an grounding strap, spray static guard and stand on anti-static mats to burn them and then place them in the stand-offs. . . man do I feel old! -
The audioholics article looks like bs "The post - break in specs are derived from a 5% increase in suspension mechanical compliance. The focus here is on those specs that changed following the initial break in." So they never actually measured anything, just took the numbers changed them by 5% and then based their conclusions on that?
See if you can find the article by Dannie Richie of GR Research a little while back. He did extensive testing on this with various drivers at various time intervals and actually measured their specs...he didn't just guess.
If I recall correctly he found the bulk of break in to occur in the first few hours of play, but found that drivers still break in past that. Lots of time at lower volumes or a little time at higher volumes should do the trick. -
The audioholics article looks like bs "The post - break in specs are derived from a 5% increase in suspension mechanical compliance. The focus here is on those specs that changed following the initial break in." So they never actually measured anything, just took the numbers changed them by 5% and then based their conclusions on that?
See if you can find the article by Dannie Richie of GR Research a little while back. He did extensive testing on this with various drivers at various time intervals and actually measured their specs...he didn't just guess.
If I recall correctly he found the bulk of break in to occur in the first few hours of play, but found that drivers still break in past that. Lots of time at lower volumes or a little time at higher volumes should do the trick.
I found it:
http://www.gr-research.com/burnin.shtm
Seems to come to some of the same conclusions. That most of the break in happens early on, and many of the driver parameters revert back each time the driver cools.
It would have been interesting if he had also measured a tweeter. They seem to get smoother after a few hours. But they don't have a large spider to break in, which is what they seem to attribute most of the break in change to.
