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post #31 of 40 Old 08-05-2012, 02:24 PM
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Originally Posted by Kal Rubinson View Post

Out of the box, it seemed a bit bright but I feel that was due to contrast with the amp to which I had listening.  Currently, I still hear the contrast but, among the amps I have on hand, it is the most balanced.

I am an Engineer who likes to prove things but I also don't want to disregard observations that may be explained later. Do you feel that the A31 might have been initially bright but got better. This would match other feedback.

Main Kef: Reference 205/2 & 202/2c, Surrounds: Kef XQ40, Velodyne Optimum 12, Integra DHC 80.3, Oppo BDP-103, Bryston 4Bsst2, Parasound Halo A31. Second B&W: 685 (3), CCM618, Def Tech Powerfield 1500, Onkyo TX-NR1008, DBP 2010, Samsung BD-C7900, Zone 2 Klipsch AW650. Sitting still CCM616, Kef...
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post #32 of 40 Old 08-05-2012, 02:47 PM
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Originally Posted by jima4a View Post


I am an Engineer who likes to prove things but I also don't want to disregard observations that may be explained later. Do you feel that the A31 might have been initially bright but got better. This would match other feedback.

I do not believe so and I do not have any evidence that the amp changed.  IMHO, most so-called break-in is really neural adaptation (but I am a neurobiologist not and engineer). wink.gif


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post #33 of 40 Old 08-05-2012, 03:11 PM
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Originally Posted by Kal Rubinson View Post

 IMHO, most so-called break-in is really neural adaptation
+1 where electronics are concerned. The scenario is identical to jumping into water and finding it cold, but after a bit it becomes comfortable. The water temperature didn't change, your perception of it did.

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post #34 of 40 Old 08-05-2012, 03:31 PM
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Very interesting. I am certainly not in a position to disagree. I have to spend tomorrow deciding whether to keep a Sherbourn PA2-500. So many say amps all sound the same so I must work my imagination, ha! tongue.gif

Main Kef: Reference 205/2 & 202/2c, Surrounds: Kef XQ40, Velodyne Optimum 12, Integra DHC 80.3, Oppo BDP-103, Bryston 4Bsst2, Parasound Halo A31. Second B&W: 685 (3), CCM618, Def Tech Powerfield 1500, Onkyo TX-NR1008, DBP 2010, Samsung BD-C7900, Zone 2 Klipsch AW650. Sitting still CCM616, Kef...
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post #35 of 40 Old 08-05-2012, 05:02 PM
 
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Originally Posted by jima4a View Post

Very interesting. I am certainly not in a position to disagree. I have to spend tomorrow deciding whether to keep a Sherbourn PA2-500. So many say amps all sound the same so I must work my imagination, ha! tongue.gif

Looking the thread over, I don't see a part which explains the need to change out the amplifier. confused.gif

Nothing wrong with amplifier flipping, if that's what you want to do and there's nothing wrong with change for the sake of change. Why the need to change Amps if your Amp is working fine?
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post #36 of 40 Old 08-05-2012, 05:54 PM
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Originally Posted by jima4a View Post

Very interesting. I am certainly not in a position to disagree. I have to spend tomorrow deciding whether to keep a Sherbourn PA2-500. So many say amps all sound the same so I must work my imagination, ha! tongue.gif

I ain't one of those.  I have a number of amps around all the time and the differences range from noticeable to nil.  OTOH, the range of the differences is small compared to those among speakers and rooms.


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post #37 of 40 Old 08-05-2012, 06:15 PM
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Originally Posted by Kal Rubinson View Post

I ain't one of those.  I have a number of amps around all the time and the differences range from noticeable to nil.  OTOH, the range of the differences is small compared to those among speakers and rooms.

+1.

Main Kef: Reference 205/2 & 202/2c, Surrounds: Kef XQ40, Velodyne Optimum 12, Integra DHC 80.3, Oppo BDP-103, Bryston 4Bsst2, Parasound Halo A31. Second B&W: 685 (3), CCM618, Def Tech Powerfield 1500, Onkyo TX-NR1008, DBP 2010, Samsung BD-C7900, Zone 2 Klipsch AW650. Sitting still CCM616, Kef...
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post #38 of 40 Old 08-06-2012, 11:11 PM
 
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Well, they are talented writers/ editors. I've always liked great writings. biggrin.gif
They are entertaining. Some way over the top. But still great for party trevia. biggrin.gif
And we get to see product pictures and sometimes measurements. Good stuff.
It's a fun hobby for all of us who enjoy it.

Agreed, and I actually like Jim cramer, despite his laughable call to sell AAPL when it was $50 per share, hahaha.
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post #39 of 40 Old 08-06-2012, 11:11 PM
 
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Originally Posted by AcuDefTechGuy View Post

Well, they are talented writers/ editors. I've always liked great writings. biggrin.gif
They are entertaining. Some way over the top. But still great for party trevia. biggrin.gif
And we get to see product pictures and sometimes measurements. Good stuff.
It's a fun hobby for all of us who enjoy it.

Agreed, and I actually like Jim cramer, despite his laughable call to sell AAPL when it was $50 per share, hahaha.
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post #40 of 40 Old 08-07-2012, 09:44 AM
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Originally Posted by commsysman View Post

Speaker cone surrounds become more flexible and compliant after a certain number of hours of use.
This is a well-known fact and is why most speaker manufacturers will caution that it takes 50-100 hours of use for a speaker to be fully "broken-in", and work as designed.
It seems to me that this is mostly an issue with bass performance. It does seem to me to change somewhat with some speakers over time.
Speakers have moving parts, so a break-in as a concept is at least physically not impossible. I have to give that, but 50 - 100????? more like few hours if at all
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