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#77550 - 08/04/06 03:28 PM Break-in Period
ej Offline
Gunslinger

Registered: 05/29/06
Posts: 122
Loc: Fairview, TX
Over the years I've found almost every piece of high end gear requires a break-in period before optimum performance is achieved. Is this the case with the 990/7700 combo. I must say, out of the box they sound wonderful; and I haven't done any tweeking yet. If someone says these things will sound even better after xyz hrs. of break-in, my wife will never see me again. :-)
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Dedicated HT 15Wx24Dx12H
Outlaw 7700/990
Pioneer Elite DV-79AVi
Panasonic AE900U
ML Aeon i
ML Cinema i
ML Descent
Monitor Audio Bronze
Panamax 5400-EX
Da-Lite 120" Fixed Screen
...and allot of goodies in between

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#77551 - 08/04/06 03:48 PM Re: Break-in Period
gonk Offline
Desperado

Registered: 03/21/01
Posts: 14054
Loc: Memphis, TN USA
I haven't noticed an appreciable break-in with either the 990 or the 7500. For me, both gave great sound basically as soon as they were powered up. If there were changes, they were subtle and were masked by calibration tweaking.
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#77552 - 08/04/06 04:13 PM Re: Break-in Period
charlie Offline
Desperado

Registered: 01/14/02
Posts: 1176
Outlaw, saving marriage one customer at a time.
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#77553 - 08/05/06 09:03 AM Re: Break-in Period
Ritz Offline
Desperado

Registered: 07/03/05
Posts: 547
Loc: NJ/Beijing
Heh. I don't know if I've ever personally experienced an amplifier that "got better over time." However, there can often be noticible and measurable differences in amplifier output between a "cold start" and after the unit has been on a few hours and gotten up to operating temp.

Cheers,
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#77554 - 08/05/06 11:56 AM Re: Break-in Period
AvFan Offline
Desperado

Registered: 09/12/05
Posts: 619
Loc: El Cajon, California
I've often wondered how a solid state piece of equipment could have a break-in period. What changes and if something changes over time how does the manufacturer/designer account for that change? How would a manufacturer assure consistent quality if all their gear was changing after the customer turned it on? If something does change is it noticable (keeping in mind significant figures)? My thought is that over time we grow accustomed to the different sound of the new equipment and it becomes our new norm. This would be particularly true when we change from one well made piece of gear to another. My expectation is that the gear comes out of the box meeting the specs and that they are consistent over time.

Those questions/comments aside, I agree with Ritz's comment about operating temperature, though I've noticed it takes minutes not hours to reach it.
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Outlaw 976 | ATI 2005 | M&K 850s Left, Center & Right, Surround-55s, MX-70B Sub | Harmony 950 remote | Panamax 5100 | OPPO UDP-203 | LG OLED55B7

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#77555 - 08/07/06 06:05 AM Re: Break-in Period
barend Offline
Gunslinger

Registered: 05/20/05
Posts: 112
I would say, break-in of audio gear is often more a parroted urban legend than a reality.
It is often suggested the capacitors need warming up time to "settle" and "form".
Well, I don't know about all these "special capacitors that sound so warm", I often held my ear close to 'em and never caught a peep...(grin)
If a coupling capacitor measures 1 µF right from the start as it should I wonder what other parameters would need to be settled in?
Inductance? Measure it and you'll find a value so small it can't possibly influence the sound...
Fellow Gunslingers et al, beware, there's a lot of snake oil specialists around!
Don't want to offend any real believers though!

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#77556 - 08/08/06 04:31 PM Re: Break-in Period
jmschnur Offline
Gunslinger

Registered: 07/28/06
Posts: 29
Loc: VA
I found that the mylar on Martin Logan defintiely benefited by break in time. I am not sure about the xover.

Plasma TV's also benefit and in fact the latest with to run the new ones for 100 hours or so on an hdtv channel like Discovery to ensure that there will be no burn in on nomral viewing.

There is a rapid change in characteristics in both cases for the 1st 75-100 h0ours or more so that tweaking/calibratins can not be doen until after break in.

Joel

Joel

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#77557 - 08/08/06 07:15 PM Re: Break-in Period
sluggo Offline
Desperado

Registered: 04/19/05
Posts: 361
Loc: Plano, TX
At the risk of this topic becoming contentious....I don't buy into circuit break-in. Mechanical break-in, like speaker cones, etc., sure. But saying that a solid-state amp or prepro needs break-in is like saying that your brand new Dell needs to be run for 20 hours straight (playing minesweeper continuously, of course) before it performs its best.

No offense to the diehards, of course laugh
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#77558 - 08/08/06 09:21 PM Re: Break-in Period
Ritz Offline
Desperado

Registered: 07/03/05
Posts: 547
Loc: NJ/Beijing
Quote:
Originally posted by sluggo:
At the risk of this topic becoming contentious....I don't buy into circuit break-in. Mechanical break-in, like speaker cones, etc., sure. But saying that a solid-state amp or prepro needs break-in is like saying that your brand new Dell needs to be run for 20 hours straight (playing minesweeper continuously, of course) before it performs its best.

No offense to the diehards, of course laugh
I agree completely. It's complete horse poop. Mechanical components can conceivably "break in" and I have experienced this with speakers. With electronic components, once it's up to operating temperature it either performs as designed or it doesn't. You also get the occasional (laughable) claims of wiring needing to "break in." Please....
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#77559 - 08/09/06 12:50 PM Re: Break-in Period
ej Offline
Gunslinger

Registered: 05/29/06
Posts: 122
Loc: Fairview, TX
WOW!! I guess a person's ignorance will piss some folks off. I'd better be careful in the future with the questions. :-(

Ritz...are you satisfied with the Outlaw interconnects and Canare speaker cables? I'm currently running an older set (1995) of Naim Audio speaker cable with Space and Time connectors through my Martin Logan Aeon i's and they still sound pretty damn good...very warm, vocal clarity is amazing, sound stage is live and in concert and the low ends are where they're suppose to be when they're suppose to be there. Although most of the LFE is being sent to the ML Descent Sub, the low end of the Aeon's are much more defined with the 990/7700 pushing them. Unless the Naim cables give me a reason, I'm kind'a set on not changing them just yet.

ML Aeon i
ML Descent
ML Cinema
Monitor Audio Bronze Surr
Outlaw 990/7700
Pioneer Elite DV-79
Panamax 5400
Outlaw PCA's (in the mail)
Naim Audio Spkr Cable
Marantz VP-12S4
Screen Innovations TR120
_________________________
Dedicated HT 15Wx24Dx12H
Outlaw 7700/990
Pioneer Elite DV-79AVi
Panasonic AE900U
ML Aeon i
ML Cinema i
ML Descent
Monitor Audio Bronze
Panamax 5400-EX
Da-Lite 120" Fixed Screen
...and allot of goodies in between

EJ\'s Home Theater

Top
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