BEHRINGER Reference Amplifier A500

WmAx

WmAx

Audioholic Samurai
jvgillow said:
I noticed slight distortion in my A500 unit as well, however it was very hard to hear and it took me over a month to figure out something was wrong. I doubt it is a common occurrence since so many people seem to be happy with their A500 units.
Return the product to Behringer for repair immediately. They have very good customer service these days; you should not keep a defective piece of equipment. In fact, check out the recent instant replacement terms. Now, if you have a local participating Behringer dealer, you can locally return defective equipment for a new unit, within the warranty period. However, I don't know if this applies retroactively to equipment purchased before the policy was initiated.

-Chris
 
J

jvgillow

Full Audioholic
WmAx said:
Return the product to Behringer for repair immediately. They have very good customer service these days; you should not keep a defective piece of equipment.

-Chris
Correct, I did not keep it. I sold it to a local guy that wanted to use it for basic studio work. He was going to let me know if he had any problems in his configuration, using balanced connections I believe opposed to the unbalanced RCA that I was using. I realize that Behringer probably would have been very accomodating in replacing the unit but I wasn't sure how best to explain the problem to them (after all it was pretty circumstantial and not reproducible with just any sound material) and I also found a good deal on some AudioSource amps so I decided to try those instead of my previous plan to get three more A500s to power the rest of my surround channels.

And to Mike C,

I did think about throwing the EP2500 into the mix as well and seeing how that fared with the vocal quality, but it would have taken a while to swap back and forth and I'm only using that amp for subwoofer duty anyhow. I have heard one (not mine) hooked up to some nice Ascend 370SE speakers and it didn't show any signs of distortion.
 
S

Sarius

Junior Audioholic
I've hooked my A500 and have been listening to it. It would seem that it will need a break-in period, I'm hearing the kind of defects that seem to crop up in reviews of other amplifiers when new from the box which then settle down and sound very good.

I'll withhold any other judgements about it until I've got at least 100 hours of various music and such on it to see if it settles down.

I did get it from Parts Express, so I've got 45 days to make my mind up.
 
P

pearsall001

Full Audioholic
Sarius

Good for you & congrats!!!. At least you had the gumption to purchase the amp. Now you can judge for yourself first hand with it in your system. There is no better way to critique a piece of audio gear. Hopefully you will be as impressed as I am with their performance. I am also glad that you didn't put any stock in what some of the other guys said especially when they never heard the amp. Shame on them, let them put the money up & critique it in their system. Then if they don't like it they can send it back. Now they can post a credible review, not the BS like before especially having no credible reference point.
 
S

Sarius

Junior Audioholic
Thanks, though I've been wanting to try bi-amping for a while. For less than 200 bucks and risking only the cost of the return shipping vs. $1,250 for the matching power amp for my Kandy, it was pretty much a no brainer.:)
 
zildjian

zildjian

Audioholic Chief
Pearsall001 seems extremely upset :mad: ; don’t be, this is supposed to be FUN! :D If I insulted your babies (your A500’s), I did not mean to.

As far as higher priced amps vs. lower priced amps, have you forgotten the post you started 2 months ago where you were talking about wanting to upgrade from your precious A500’s? Amp pricing & diminishing returns / what's your take?
Re-read all those replies you got. All these same points I made earlier (aside from the biamping how-to’s) were made there (and even more notably, nobody got their panties in a bunch). The beauty of audio reproduction is that EVERYTHING IS RELATIVE beyond a certain point. We all have friends that don’t hear the major audible differences in our home theater or stereo set ups vs. their all-in-one systems. (I know I have one such friend, he considers himself blessed!) Ignorance can be bliss… Everyone has certain degrees of this though, being able to distinguish differences between products and not being able to do so. What sounds good to each individual is most important.

My point was simply, differences in high-end big $$$ amps vs. low priced amps CAN be a significant issue when the rest of the system is designed well enough to exhibit the differences. If any particular amp is appropriate for an individual depends on his intended application and speakers. You can’t wisely chose an amp without considering what speakers your powering with it.

Consider two examples (they are extreme cases, but bear with me). If someone has a general set of everyday speakers that are available on every street corner, will they hear much of a difference between a $300 amp and a $8000 amp? No, of course not. That system is already bottlenecked significantly by the speakers. Take those same two hypothetical amplifiers and put them in a system with more revealing speakers then you bet the quality of amp makes a difference; anyone who’s had a nice pair of Magnepans or Thiels (made right here in Kentucky!) can tell you how revealing they are of lesser amplifiers and prepro’s and how limiting such electronics can be. If you want to reach the full potential of revealing and demanding speakers such as Maggies or Thiels, then you have to be conscious of what you choose when buying your electronics. Anyone who says that’s ‘BS’ should probably reconsider their judgments. Those of course are both extreme examples, but they are just to prove a point that amps CAN make a significant difference. Of course most of us here have gear that falls in between these examples, so it’s harder to determine what makes the most difference in each individual set up, but that’s also what makes all of this fun. I said in my first post that higher priced does NOT always mean higher quality; some seemed to miss that point. It’d be too simple to determine what the best pieces of gear are, and forums like this wouldn’t exist if price always equaled quality. I agree that trying for yourself is the best way to determine if a product is right for you, that’s just about the only piece of advice given on this site that is completely unfaltering.

As far as having a credible reference point to say ANYTHING about this subject (It’s been assumed there was none since I said I have not tried an A500…), I assume many of us here have built our own amplifiers, and I know I have and I’ve rebuilt many a vintage solid state amps. Haven’t you quickly found what components are inside and how much it all costs to make (especially when you build your own amp!); not extreme $ but not minor pocket change either, and I get all my electrical components at cost from a friend who owns an electrical parts store; it still can add up. To sell an amp such as… the A500 is the hot topic so lets stick with it, for $180, after both the reseller (such as parts express) and the manufacturer (Behringer) have made their profits by selling it to us at $180, the cost of manufacture has to be WELL BELOW $100 because of course Parts Express is making more than a mere $40 on it and same goes for Behringer. To have those specs at that price point, I TOTALLY AGREE IS GREAT! However, to think there aren’t numerous compromises made to manufacture such a high-power amplifier for less than $100 cost is ridiculous. Are those compromises significant, as I said before in my first post, it depends on what your application is, what speakers you hook to it as stated above, and MOST IMPORTANTLY, how it sounds to you. If it sounds great to you, great, you’ve found the perfect amp for you; if you need something different, then keep looking; last time any of us checked, weren’t their 1000+ models to choose from? Higher priced amps, SURE their prices are marked up, so is the Behringer A500; not as much as say other amp makers obviously, but Behringer isn’t making this amp for free are they, of course not.

Again, read the posts from here. That set of posts goes on for pages now.

Lastly, I haven’t gotten 'taken to the cleaners' yet like someone guessed! My reference amp is one that I’ve never mentioned it’s model on a forum, and I won’t. It’s an old ‘Pro’ amp actually they stopped making years ago and it’s getting harder and harder to find, so I’m not about to start advertising it’s glory! I have two; use one in my HT room; rebuilt one back to factory spec, and I want more! Just can’t find them anymore. My other HT amp is a Parasound amp I bought used and got for a small fraction of what it was new, meets factory spec and sonically fits my center channel well. Sure I'd like a McIntosh or Bryston amp that'd last forever like my other one, but upgrade fever isn't quite what it used to be, at least for power amps at the moment! Time fixes that though doesn't it?
Sarius, like I said in my first post, let us know how you like your A500's after you get them broken in, and I hope they work great for you.
This post was a lot longer than I anticipated… HA! Good night!
Brad
 
P

pearsall001

Full Audioholic
zildjian

No offense taken. However I do find it interesting, especially after reading that you actually build & repair amps, that curiousity hasn't gotten the better of you to find out how a company like Behringer can manufacture a product that performs this good & can be sold at such a low price point. I know that's what got me to buy 2 of them & to give them a try. I think your comments are based on your knowledge of electronics & the assumption that something this inexpensive just can't be that good.. My comments are based on actual use of the product in my system where specs are thrown out the window & the true measure of it's performance is in the sound that it delivers. If you ever do give one a try I would be very interested in your findings as to the inside electronics as well as how you think it performs. My comments are based only on the A500 in bridged mono mode, I never ran it in stereo mode. If my memory serves me well the mono setting is rated at 440x1 (8 ohm) & stereo is 160x2 (8 ohm). As far as my posts about the A500 I think you might have missed this one reply:

Not to worry, the A500's aren't going anywhere. However being the kind of guy I am I'm always looking for the holy grail so to speak (within my budget) I would love to give other amps a try especially the NuForce 9. I've read so much positive feedback on them that they just might come home for a 30 day trial. Keep in mind that a new amp would have to be so musically superior to my ears to warrant the purchase. If I did happen to be smitten by the performance of another amp I would still have 2 killer amps for my center & surrounds. That would then free up my NAD T773 receiver, which I could then sell & start all over again looking for a new processor. This crazy circle is never completed.
Happy listening to all!!

I have done a lot of the above w/ speakers, DAC's, CD players just to name a few. Some gear found a home & some were sent back. This is FUN!!
 
WmAx

WmAx

Audioholic Samurai
zildjian said:
My point was simply, differences in high-end big $$$ amps vs. low priced amps CAN be a significant issue when the rest of the system is designed well enough to exhibit the differences. If any particular amp is appropriate for an individual depends on his intended application and speakers. You can’t wisely chose an amp without considering what speakers your powering with it.
Interestingly, the [low cost] A500 amp at subject here is capable to power virtually any speaker without problem, even those exhibiting extreme demands on the output devices due to severe capacitive and/or inductive reactivity.

Consider two examples (they are extreme cases, but bear with me). If someone has a general set of everyday speakers that are available on every street corner, will they hear much of a difference between a $300 amp and a $8000 amp? No, of course not. That system is already bottlenecked significantly by the speakers. Take those same two hypothetical amplifiers and put them in a system with more revealing speakers then you bet the quality of amp makes a difference; anyone who’s had a nice pair of Magnepans or Thiels (made right here in Kentucky!) can tell you how revealing they are of lesser amplifiers and prepro’s and how limiting such electronics can be.
If the amplifier is driving the load properly, and with a linear response, there will not be an audible difference. One major problem with the speculative evidence that you just provided is that it's speculative. In the overwhelming majority of cases, people do not even bother to level match the amplifiers within the required 0.1dB of each other to prevent physiological hearing differences from becoming a factor(human hearing is not linear; it's frequency response changes with SPL). In addition, almost all such comparisons are performed under sighted conditions, and with significant time delay(s) between the amplifier comparisons. The statistical value of these is also very low; which is pointless to go into considering the substantial errors in the basis methodology that precede. These types of comparisons lack credibility/reliability.

To sell an amp such as… the A500 is the hot topic so lets stick with it, for $180, after both the reseller (such as parts express) and the manufacturer (Behringer) have made their profits by selling it to us at $180, the cost of manufacture has to be WELL BELOW $100 because of course Parts Express is making more than a mere $40 on it and same goes for Behringer. To have those specs at that price point, I TOTALLY AGREE IS GREAT!
Behringer is an interesting company. They have been(in the past 2 or 3 years) producing products of such dollar to performance ratio that has caused the entire professional electronics sector to become upset(by forcing them to take smaller margins to remain competitive). Behringer is willing to take small profit margins in exchange for high volume and market share. Some of their products defy reason. One example being the DCX2496. I have priced just a few of the components in this device and it would be difficult to purchase the items used in this product in low quantities for cheaper than the final product price. I can only assume that Behringer buys the parts by the tractor trailer load and receives huge discounts as a result. I am not aware of any comparable product to the DCX2496 that is close to the price of the DCX2496. The closest product costs nearly twice as much, and has some inferior capabilities.

H
however, to think there aren’t numerous compromises made to manufacture such a high-power amplifier for less than $100 cost is ridiculous.
The Audio Critic did a full analysis of this product, and found no shortcomings, besides a cosmetic one(the front cover is plastic, thus may be perceived as low quality).

-Chris
 
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mtrycrafts

mtrycrafts

Seriously, I have no life.
WmAx said:
I am not aware of any comparable product to the DCX2496 that is close to the price of the DCX2496. The closest product costs nearly twice as much, and has some inferior capabilities.

-Chris

Maybe they plan well and use the parts in a number of their other products as well, if they actually do the assembly, or just the design.
 
S

Sarius

Junior Audioholic
mtrycrafts said:
Maybe they plan well and use the parts in a number of their other products as well, if they actually do the assembly, or just the design.
The amp is designed in Germany and manufactured in China. Which explains a lot, Chinese quality can be excellent.

BTW- so far,so good. This is an amp that does need to be broken in, I've got about 20 hours on it now and it has improved substantially. Tomorrow I'm going to directly compare it to the Kandy with some of my 'usual suspect' material, then set up the bi-amp and see how that goes.

At the moment as the sole driver of my speakers, it's sounding quite good and given the sonic changes I've heard in the first 20 hours, I'd expect it to continue to improve a bit more.
 
mtrycrafts

mtrycrafts

Seriously, I have no life.
Sarius said:
BTW- so far,so good. This is an amp that does need to be broken in, I've got about 20 hours on it now and it has improved substantially..

Well, you will find out at this website that this is an audio myth, nothing more. There is no evidence to support this.
How did you compare a 20 hr on that amp and when it 0 hrs? Memory?

Good reading material here, just a few:
http://www.google.com/search?sourceid=navclient&ie=UTF-8&rls=GGLG,GGLG:2005-38,GGLG:en&q=echoic+memory
 
N

Nick250

Audioholic Samurai
Sarius, I knew mtry would jump on you with the amp break in stuff. But whens he's right (usually) he's right. It's most likely the amp breaking you in rather than the other way around IMO.

Nick
 
S

Sarius

Junior Audioholic
...Well.... what can I say :D

When I unplugged the Kandy, which sounds great, and attached the speakers to the Behringer there was a most noticeable 'nails on a blackboard' harsh characteristic to music that I was very familiar with, which made it quite unpleasant to listen to, especially on female vocals. :eek: Not subtle at all! Now, it seems to be gone and the listening is more enjoyable. When I make the switch back to the Kandy, I intend to listen to some CD's on one, then immediately on the other to compare before I set up the bi-amp. I'll be happy to post what I hear.

I would say that had I not considered 'break in' as a real possibility, I'd have just packed up the amp and shipped it back the first time I listened. It really was that bad! It isn't that bad now and it's hard to imagine that my ears have adapted that much.

I would mention that most of the break in has been with FM at fairly high levels, I've been mostly working on the other side of the house with the volume high enough to be a good background music level in the room I'm in. I've only spot listened critically to CD's, so I find it hard to imagine that the amp has 'broken me in' :confused:
 
S

skrivis

Junior Audioholic
Sarius said:
...Well.... what can I say :D

When I unplugged the Kandy, which sounds great, and attached the speakers to the Behringer there was a most noticeable 'nails on a blackboard' harsh characteristic to music that I was very familiar with, which made it quite unpleasant to listen to, especially on female vocals. :eek: Not subtle at all! Now, it seems to be gone and the listening is more enjoyable. When I make the switch back to the Kandy, I intend to listen to some CD's on one, then immediately on the other to compare before I set up the bi-amp. I'll be happy to post what I hear.

I would say that had I not considered 'break in' as a real possibility, I'd have just packed up the amp and shipped it back the first time I listened. It really was that bad! It isn't that bad now and it's hard to imagine that my ears have adapted that much.

I would mention that most of the break in has been with FM at fairly high levels, I've been mostly working on the other side of the house with the volume high enough to be a good background music level in the room I'm in. I've only spot listened critically to CD's, so I find it hard to imagine that the amp has 'broken me in' :confused:
Well, you have an expectation that an amp that is brand-new will sound harsh and will then sound better after being "broken-in." So the amp isn't actually changing but your perception of it is.

There are a lot of very clever engineers around that would love to be able to show that electronic products require extended break-in, if true. Engineers like to be able to explain things. :)

Since nobody has actually been able to show these supposed changes that occur during "break-in" and "break-in" has been a debated topic for years if not decades, I think we can conclude that "break-in" is a myth.
 
S

Sarius

Junior Audioholic
Well, silly to argue about it. My Yamaha receiver sounded great right out of the box as did the Kandy which had a rep of needing a long break-in. This one didn't... so much for expectations.

What I can tell you is that, for example, Eva Cassidy "Live At Blues Alley" which I like quite a bit sounded screechy and unpleasant initially when played through this amp and now sounds good. I had been very familiar with the sound of this CD through the Kandy which was dandy. Obviously with the same speakers and cables.

After 40 years of music listening, I believe that I can tell screechy and unpleasant when I hear it. To be exact, there was a distinct harshness to the highs that was very fatiguing to listen to. It was consistant over all the tracks I listened to. After 20 hours or so of run-in, the same tracks sounded fine and the harshness was gone. When compared to the Kandy as I rewired, the Kandy seems to sound a bit better overall, but it's close enough that I will admit that it could be a memory trick. Listening to the same CD tracks that were unacceptable before, they all sound very good now and the amp is a keeper.

So, if what I hear is based on expectations, they seem to be oddly inconsistant in that the few reviews I'd read about the Kandy indicated that it needed 100+ hours of break-in, but that wasn't my experience. I had read no reviews about the Behringer and thus had no expectations, but I heard what I heard. The point of this is that if someone buys an A500, plugs it in and then immediately wants to pack it up and send it back... my advice would be not to, and run it a while before making a final decision or you might miss out on a fine little amp.
 
mtrycrafts

mtrycrafts

Seriously, I have no life.
Sarius said:
So, if what I hear is based on expectations, they seem to be oddly inconsistant in that the few reviews I'd read about the Kandy indicated that it needed 100+ hours of break-in, but that wasn't my experience. I had read no reviews about the Behringer and thus had no expectations, but I heard what I heard. The point of this is that if someone buys an A500, plugs it in and then immediately wants to pack it up and send it back... my advice would be not to, and run it a while before making a final decision or you might miss out on a fine little amp.
Sarius said:
Well, perception, what you really have, is a curious animal. You don't know when it is reliable and when it is not. Similar to a placebo effect. Sometimes it works, and sometimes it doesn't. You cannot turn it on, or off. It has a mind of its own.

But research is very clear on this issue. Perception can be very unreliable. That is why the bias control protocols along with proper setup is required if one want reliable outcome.

I bet none of those reviewers used such a protocol. Hence, none of their observations and perceptions can be relied on, not much to it for credibility.
40 years of experience is not an insurance policy or a blanket exemption from having unreliable observations and perceptions.
 
The13thGryphon

The13thGryphon

Audioholic
I'm not arguing that break-in occurs, as I don't believe that I've ever experienced it other than in speakers, which are a mechanical device. However, I do find the debate interesting given that a number of reputable manufacturers believe in it, and discuss the subject. I.E., Odyssey Audio: http://www.odysseyaudio.com/setup_tweak.html

Given that a number of well known, high end retail sales establishments would believe in it; such as Galen Carol Audio: http://www.gcaudio.com/resources/howtos/breakin.html

Given that a V.P. of a very well known major audio label would state that break-in does occur, and that it is related to the caps, transformer and transistors settling in to their “normal” bias and operating temperatures.

Or given that so many audio reviewers believe in, and believe they do hear changes.
Keith Forrest – Soundstage (http://www.soundstage.com/revequip/threshold_s5000e.htm)
Richard George – TNT Audio (http://www.tnt-audio.com/ampli/norhleamp_e.html)
Richard Olsher – Enjoy the Music (http://www.enjoythemusic.com/magazine/equipment/1002/manleyshrimp.htm)
Ross Mantle – Ultra Audio (http://www.ultraaudio.com/opinion/20030801.htm)

Oh, and one more thing... I guess we all agree that science has explained every facet of our existence and our universe, and that scientists are NEVER wrong... right?

Just a little fuel to keep those "friendly debate" fires burning.
 
mtrycrafts

mtrycrafts

Seriously, I have no life.
The13thGryphon said:
I'm not arguing that break-in occurs, as I don't believe that I've ever experienced it other than in speakers, which are a mechanical device. However, I do find the debate interesting given that a number of reputable manufacturers believe in it, and discuss the subject. I.E., Odyssey Audio: http://www.odysseyaudio.com/setup_tweak.html

Given that a number of well known, high end retail sales establishments would believe in it; such as Galen Carol Audio: http://www.gcaudio.com/resources/howtos/breakin.html

Given that a V.P. of a very well known major audio label would state that break-in does occur, and that it is related to the caps, transformer and transistors settling in to their “normal” bias and operating temperatures.

Or given that so many audio reviewers believe in, and believe they do hear changes.
Keith Forrest – Soundstage (http://www.soundstage.com/revequip/threshold_s5000e.htm)
Richard George – TNT Audio (http://www.tnt-audio.com/ampli/norhleamp_e.html)
Richard Olsher – Enjoy the Music (http://www.enjoythemusic.com/magazine/equipment/1002/manleyshrimp.htm)
Ross Mantle – Ultra Audio (http://www.ultraaudio.com/opinion/20030801.htm)

Oh, and one more thing... I guess we all agree that science has explained every facet of our existence and our universe, and that scientists are NEVER wrong... right?

Just a little fuel to keep those "friendly debate" fires burning.
You started out OK enough but when you posted this
Oh, and one more thing... I guess we all agree that science has explained every facet of our existence and our universe, and that scientists are NEVER wrong... right?

I am at a loss. Are you equating the understanding of the universe, and ever facet of our lives or any life, is equal to this voodoo, 'break in?'

We don't have to know the workings of the universe to show and know that this myth is voodoo. Or, test this silly claim. After all, our hearing has limits, well known.

Have you contacted any of those reviewers, or makers to provide credible evidence to support their hype??? I suppose then by your logic here, all the snake oil wire makers must be also correct, no? They are in business, their wires get rave reviews, and their VPs and owners believe their own nonsense. How about that CD demagnetizer? Why would that be preposterous? Or that tweak made from rare earth material to weed out all the bad electrons. The list is endless.

Or, you could ask those individuals for a few DBT data??? I forgot, none of those reviewers do DBT comparisons, do they?
 
The13thGryphon

The13thGryphon

Audioholic
mtrycrafts said:
You started out OK enough but when you posted this
Oh, and one more thing... I guess we all agree that science has explained every facet of our existence and our universe, and that scientists are NEVER wrong... right?

I am at a loss. Are you equating the understanding of the universe, and ever facet of our lives or any life, is equal to this voodoo, 'break in?'

We don't have to know the workings of the universe to show and know that this myth is voodoo. Or, test this silly claim. After all, our hearing has limits, well known.

Have you contacted any of those reviewers, or makers to provide credible evidence to support their hype??? I suppose then by your logic here, all the snake oil wire makers must be also correct, no? They are in business, their wires get rave reviews, and their VPs and owners believe their own nonsense. How about that CD demagnetizer? Why would that be preposterous? Or that tweak made from rare earth material to weed out all the bad electrons. The list is endless.

Or, you could ask those individuals for a few DBT data??? I forgot, none of those reviewers do DBT comparisons, do they?
Remember, I started my post stating that I wasn’t arguing for the “break-in” of audio equipment myself (other than speakers), and that I simply found the argument interesting. My point in stating “I guess we all agree that science has explained every facet of our existence and our universe, and that scientists are NEVER wrong... right?” was simply to remind us all that just because we can’t explain something today, does not mean that it cannot possibly exist. Science is fallible and scientists are much more human than we typically give them credit for being.

Albert Einstein once said: "Two things are infinite: the universe and human stupidity, and I'm not sure about the universe." Never a truer word was said. Just to prove his point, and that he too was fallible, he also stated "There is not the slightest indication that energy will ever be obtainable from the atom."

This fallibility of the scientific community in general is very aptly demonstrated by the following few examples:

Only a few hundred years ago the greatest scientific minds of the day knew, absolutely and without a doubt, that the world was flat.

In 1913 an ape's jaw with a canine tooth worn down like a human's was uncovered at a site near Piltdown. British paleo-anthropologists came to accept the idea that the fossil remains belonged to a single creature that had a human cranium and an ape's jaw - offering this as evidence of the “missing link” between apes and humans in the evolutionary chain. In 1953, Piltdown 'man' was exposed as a forgery. The skull was modern and the teeth on the ape's jaw had been filed down.

NASA scientists launched the Hubble telescope to create a lens 10 to 20 times more powerful than those based on earth. A gross design error in the main mirror was discovered immediately after launch in April 1990. Hundreds of millions of dollars were needed to send an astronaut up to repair the mirror.

Why did Sir Isaac Newton -- the scientist who single-handedly created the foundations of modern day physics -- have a little known obsession with alchemy? Sir Newton was apparently convinced for much of his life that he would be able to change base metals into gold. Haven't seen that one available on the market yet. Of course, maybe it's being housed at Fort Knox.

Or how about the refusal of the medical community in the mid 1800s to accept the theory that disinfection of doctors' hands could save the lives of surgical patients and women in the obstetrics wards? Because these doctors and scientists could not see germs, and there was no scientific evidence at that time that they existed, it was believed to be rubbish.

My charge to you mtrycrafts is not to tell others that they should scientifically prove to you that break-in exists, but for you to scientifically prove that it is impossible… using the knowledge and technology that will be available 100 years in the future. Because until then, when we'll know what it is we don't know today... there are no germs, man will never fly, and the world is flat.
 
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zildjian

zildjian

Audioholic Chief
This has nothing to do with the Behringer A500, but reading The13thGryphon's post above about the fallibility of scientific forsight at times made me think of a quote I heard earlier today actually.

"Everything that can be invented has been invented."
- Charles H. Duell, Commissioner, U.S. Office of Patents, 1899

Interesting to think about in the context of audio since Edison made the first recordings of a human voice in 1877, maybe this same debate of break-in happened then in the early days of the phonograph! 'No the wax cylinder does not need to be broken in...'
 
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