Can you really hear the difference between amps?

If all amps sounded exactly the same then we would all be running cheap a$$ pyramid, profile, boss, etc amps.

This is like saying since all cars will get you from point A to point B, then a Kia is the same as a Lambo right? //content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif

 
I completely agree with squeak. All the things itsbacon stated are virtually inaudible in a car's setting. Once again, it seems everyone is falling into the amplifier manufacturer's trap. Somehow everyone gets hung up in these specifications, when almost every amp on the market is going to sound the same regardless. If you can prove me wrong, you should take this test and win $10,000.
Just a //content.invisioncic.com/y282845/emoticons/fyi.gif.9f1f679348da7204ce960cfc74bca8e0.gif, no one has EVER passed that test! //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
I can easily prove you wrong because you've misrepresented the amp challenge to begin with.....LIKE almost everyone that posts about it. //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

 
so why do people like butler amps so much? and other brands for that matter. why not just run pyramid? im not getting it bro, why do all the amps i ever had sound different? i really am trying to get it but my ears wont let me.
They should. Every amp you use should sound different, even the same amp produced 5 min before on the assembly line. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

The qualification of amp sound lies in those 5 factors Squeak already mentioned.

 
If all amps sounded exactly the same then we would all be running cheap a$$ pyramid, profile, boss, etc amps.
This is like saying since all cars will get you from point A to point B, then a Kia is the same as a Lambo right? //content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif
Nowhere in this thread did anyone who had a clue as to what they're talking about say that all amps sound the same...//content.invisioncic.com/y282845/emoticons/fyi.gif.9f1f679348da7204ce960cfc74bca8e0.gif

 
They should. Every amp you use should sound different, even the same amp produced 5 min before on the assembly line. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
thats basically what i said earlier but was told i was wrong.

 
This is from an article written by one of the foremost experts on ABX testing (the comparitor used in RC's amp challenge), David L Clark. It was written in the 1980's, IIRC and uses home audio amps.

Clark wrote a very important article (IMO anyway) that anyone who's interested in this sort of thing should check out:

David L. Clark, "High-Resolution Subjective Testing Using a Double-Blind Comparator", J. Audio Eng. Soc., Vol. 30 No. 5, May 1982, pp. 330-338

The main question that needs to be addressed in this reoccurring e-fight, is NOT if all amps sound the same; it's HOW and WHY you go about choosing the correct amplifier for your own individual wants, goals, needs, etc.

The user comments given by those that did the comparison testing are hilarious! And they also highlight a very important point involving the amplifier purchasing decision making process. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

DoAllAmpsSoundTheSame-Listenercomme.jpg




 
Wow... You know guys, you have really opened my eyes to all of this audio non-sence.
My ears and brain must have been lying to me all these years!!!!

I am thinking about selling ALL of my stuff and buying these...

Receiver

TurnTable

DVD Player, CD Player, MP3 Player

Speakers

What do you think... Will that preform the same as my B&W, Rotel, Rega, Arcam, and Pioneer Elite?
First, comments like these simply demonstrate either your lack of understanding of the crux of the conversation or your ignorance (or both).

Second, the Turntable you've selected is sold out on-line. You're going to have choose a different table //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

 
First, comments like these simply demonstrate either your lack of understanding of the crux of the conversation or your ignorance (or both).
Second, the Turntable you've selected is sold out on-line. You're going to have choose a different table //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif
It was more to illiterate a point.

There is a point where different electronics don't sound much different, and maybe the human ear can't even pick them up at this point.

But, I am still a firm believe in the idea that electronics do sound different.

Obviously if you have two amplifiers/receivers/processors/CD Players that have the EXACT same specs side by side you aren't going to hear a difference. But, when was the last time you saw this?

However, I believe it is outlandish to say that "amp 1 will always sound the same as amp 2". Mostly because two amplifiers have different designs, components, tolerances, manufacturing processes, etc etc.

These all will make an acoustic change.

I don't view these threads or topics as being clever by showing the scientific numbers and ABX tests, I see them as people trying to say that a $500 amplifier will preform the same as a $5000 amplifier. To be honest, this goes against everything I have heard, seen, smelled, tasted, and experienced ever since I have been involved in audio. Which is my entire life. And from my experience I have heard a difference, which leads me to believe that these ABX tests are total BS and setup to fail. Either that or they are picking people with hearing aids or extra crusty ears.

I remember sitting with my dad when I was little, he was buying new amplifiers for our old Meyer MSL-3 PA speakers. We had Crown, Hafler, QSC, Crest, H||H and a few other amps and listened to all of them. Over and over and over and over again. They all had different things about them that made some better than others in one area or another. Now are you telling me that these amplifiers didn't sound different? Because there was a difference.

I know I'm not a famous d-bag who is a religious fanatic in the church of Electronics and Cables don't make a difference. But, doesn't my experience mean anything? I get the fact that some people have the 'placebo' effect. That is totally understandable, it happens everyday with all sorts of things, soft drinks, car brands, TVs, etc etc. But, maybe could there be a slight possibility that in some cases the placebo effect isn't occurring. Fanatics in the church of Electronics and Cables don't make a difference never think so. They don't hear a difference so how can there be, lets test people to see with an ABX test. There is another church that does this, you see them at the mall and you grab a hold of these little metal pads then they tell you about how much happier you life can be if you come talk to them. (Hint Tom Cruise)

Honestly, in my humble opinion, the anti groups is so strong in their voice that the truth doesn't even matter. If I brought one of these COCAEDMAD (Church of Cables and Eletronics Don't Make A Difference) to my house, and sat them down on my couch and played a various mix of music and swapped amplifiers and cables and CD Players and asked them "did you hear anything change, because I switched amplifiers and CD Players" they would probably say "no nothing changed". Mostly because they don't care to hear any difference. But, if you changed them on a non COCAEDMAD they might would hear a difference.

Example. I went to my ex-dealer a while back looking to get a dedicated CD Player (I know I must be one of those crazy antichrist audiophile types). I listened to 2 CD Players on the same setup (B&W 804S, Rotel Amplifier, Rotel Processor, also swapped the processor for an Arcam one too just for shits and giggles), but the CD Players were Rotel and Arcam. I brought identical original store purchased copies of all my CDs (I'm not even going to attempt to argue why CDR can sound worse than the original), I have 10 duplicates just for this purpose. Listened to the Rotel for a while, "wow that sounds good", listened to the Arcam "wow that sounds good", listened to the Rotel again.

Did this for about 2 hours, A/B them, then listen, then listen Loud, then listen Soft, then Listen at middle level, walk around and listened. I did EVERYTHING, and it is a good thing one of my friends used to work there. But, I walked out with the Arcam. Mostly because it was generally cleaner and had much better imaging. So, I could hear a difference. Was I just fooling myself?

I mean seriously. Trash in Trash out right?

I guess I am just under the spell of the price tag and must upgrade to the next thing because my penis is small. That must be why I passed up the opportunity to trade my B&W 703 to B&W 804S.

I must be crazy... I think I am going to go seek out psychiatric help...

 
It was more to illiterate a point.
There is a point where different electronics don't sound much different, and maybe the human ear can't even pick them up at this point.

But, I am still a firm believe in the idea that electronics do sound different.

Obviously if you have two amplifiers/receivers/processors/CD Players that have the EXACT same specs side by side you aren't going to hear a difference. But, when was the last time you saw this?

However, I believe it is outlandish to say that "amp 1 will always sound the same as amp 2". Mostly because two amplifiers have different designs, components, tolerances, manufacturing processes, etc etc.

These all will make an acoustic change.

I don't view these threads or topics as being clever by showing the scientific numbers and ABX tests, I see them as people trying to say that a $500 amplifier will preform the same as a $5000 amplifier. To be honest, this goes against everything I have heard, seen, smelled, tasted, and experienced ever since I have been involved in audio. Which is my entire life. And from my experience I have heard a difference, which leads me to believe that these ABX tests are total BS and setup to fail. Either that or they are picking people with hearing aids or extra crusty ears.

I remember sitting with my dad when I was little, he was buying new amplifiers for our old Meyer MSL-3 PA speakers. We had Crown, Hafler, QSC, Crest, H||H and a few other amps and listened to all of them. Over and over and over and over again. They all had different things about them that made some better than others in one area or another. Now are you telling me that these amplifiers didn't sound different? Because there was a difference.

I know I'm not a famous d-bag who is a religious fanatic in the church of Electronics and Cables don't make a difference. But, doesn't my experience mean anything? I get the fact that some people have the 'placebo' effect. That is totally understandable, it happens everyday with all sorts of things, soft drinks, car brands, TVs, etc etc. But, maybe could there be a slight possibility that in some cases the placebo effect isn't occurring. Fanatics in the church of Electronics and Cables don't make a difference never think so. They don't hear a difference so how can there be, lets test people to see with an ABX test. There is another church that does this, you see them at the mall and you grab a hold of these little metal pads then they tell you about how much happier you life can be if you come talk to them. (Hint Tom Cruise)

Honestly, in my humble opinion, the anti groups is so strong in their voice that the truth doesn't even matter. If I brought one of these COCAEDMAD (Church of Cables and Eletronics Don't Make A Difference) to my house, and sat them down on my couch and played a various mix of music and swapped amplifiers and cables and CD Players and asked them "did you hear anything change, because I switched amplifiers and CD Players" they would probably say "no nothing changed". Mostly because they don't care to hear any difference. But, if you changed them on a non COCAEDMAD they might would hear a difference.

Example. I went to my ex-dealer a while back looking to get a dedicated CD Player (I know I must be one of those crazy antichrist audiophile types). I listened to 2 CD Players on the same setup (B&W 804S, Rotel Amplifier, Rotel Processor, also swapped the processor for an Arcam one too just for shits and giggles), but the CD Players were Rotel and Arcam. I brought identical original store purchased copies of all my CDs (I'm not even going to attempt to argue why CDR can sound worse than the original), I have 10 duplicates just for this purpose. Listened to the Rotel for a while, "wow that sounds good", listened to the Arcam "wow that sounds good", listened to the Rotel again.

Did this for about 2 hours, A/B them, then listen, then listen Loud, then listen Soft, then Listen at middle level, walk around and listened. I did EVERYTHING, and it is a good thing one of my friends used to work there. But, I walked out with the Arcam. Mostly because it was generally cleaner and had much better imaging. So, I could hear a difference. Was I just fooling myself?

I mean seriously. Trash in Trash out right?

I guess I am just under the spell of the price tag and must upgrade to the next thing because my penis is small. That must be why I passed up the opportunity to trade my B&W 703 to B&W 804S.

I must be crazy... I think I am going to go seek out psychiatric help...
Please tell us how to use our personal belief systems at the point when the purchase of a power amplifier is being debated. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 
Please tell us how to use our personal belief systems at the point when the purchase of a power amplifier is being debated. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
See now you are getting off point.

I am just curious how you counter argue my personal experience.

I am not one to tell you if there is a difference or not. But, in my experience I have heard a difference. Does that mean I could pick one amplifier out of a ABX test. Maybe not, but that doesn't mean there isn't an audible difference.

I guess you have to look at what makes up what we hear, beyond the idea of sound waves. There are infinite factors in each thing that we hear, which makes hearing/seeing/smelling so great. Analog what a wonderful thing. //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif

Anyway, if there are characteristic changes between elements we can hear the change if it is side by side. But, if things are not side by side we do not hear a difference. Why?

I like Blueberry Pie, and when I think of Blueberry Pie it tastes amazing, but I remember it different than it actually tastes. So, everytime I eat Blueberry Pie it tastes like Blueberry Pie and it is amazing but it isn't the same thing that I remembered.

In my opinion, the same thing happens to your brain when you listen to something.

I can't just turn on a switch and listen to a loudspeaker and say good or bad. I have to get used to it, absorb the factors.

For example, when I go from my apartment system to my car system. The car sounds like *** just awful. But, after a while of not listening to it or having talk radio on, when I turn the music in the car on it sounds fine, actually good.

Also, when I turn my subwoofer on and listen to something with the subwoofer at first it sound like TOO much bass, boomy and over bearing. But, after a while I sounds right, I adapt to it. When I turn the subwoofer off it sound like I am missing something in the sound.

I think that this just shows the reason ABX tests fail is because of poor human memory. Not, because there isn't a difference.

But that is besides the point.

You want to know what I think. //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif Right like you really do.

My point is just that to some people there is a difference. And, they aren't looney audiophiles, and people with way too much money. They just hear something you don't want to hear, OMG OMG GOLDEN EARS. No, not golden ears, just people who hear something differently...

 
ok...so let's recap

US Amps xt1600.4:

4 x 100W @ 4 ohms (0.03% THD)

4 x 200W @ 2 ohms

2 x 400W @ 4 ohms bridged

Freq. Response 20hz-250hz, +/- 1db

Arc 4150-xxk

4 x 80W @ 4 ohms

4 x 160W @ 2 ohms

2 x 320W @ 4 ohms bridged

THD:

Freq. Response: 20Hz ∼ 20kHz

S/N Ratio: 105dB

Channel Separation: >75dB

Transient Dist.:

Damping Factor: >2000 (1kHz)

Max. Current Draw: 82A

Fuse: 3 x 25A

Dimensions: 16.5" x 8" x 3.35" (41.9cm x 20.3cm x 8.5cm)

@ 80watts, audible difference or no?

 
See now you are getting off point.
I am just curious how you counter argue my personal experience.
Did you even read the Clark article?

When did I counter argue your personal experience? No one can tell you that your experience is WRONG, including me.

All i asked....since you've had so much experience with amp sound, is to tell us how to buy them. For example, I want an amp with a "sweet top end" and "killer bass"...which one do I choose? If you could also give me a couple things to look for when making the decision, that would be most helpful as well. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

 
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