All Amps Sound The Same

J

JackT

Audioholic
The study seem thorough and reasonable. In the end, the conclusion is not surprising. Audio amplifiers are not magic, and have performance characteristics that are both finite and quantifiable. We figured out how to make good amplifiers a long time ago. Now they just get cheaper and cheaper with more and more features.
 
M

MDS

Audioholic Spartan
The question of test procedures still remains, for instance. There is obviously no setup that will satisfy everybody completely, and it may be significant that in the post-test questionnaire a number of listeners changed their minds and stated that the test conditions were not adequate, or admitted to reservations about them. All of these were Believers whose beliefs had not been borne out, but they can be expected to represent a large group of Audiophiles who will rush to deny the significance of this series of tests.

That statement goes to the heart of the matter. There is much psychology involved - the Believers cannot be swayed no matter what. Many will participate in designing the test and choosing the equipment as was done in this series of tests, but as soon as the evidence contradicts their belief system, they deem the test invalid. That is EXACTLY what happened when Secrets did a test for the audibility of exotic cables. The resident audiophile was steadfast in his belief that he could definitely pick out the Nordost Vahalla cables. He actually did WORSE than the non-audiophiles. Naturally, he back pedalled and claimed that surely the test was inadequate because he could not do better than chance (he did much worse than 50% correct).

It's like the old saying regarding 'faith' - For the believers, no amount of evidence is necessary and for the skeptics no amount of evidence will suffice.

In the end it's a personal preference kind of decision...buy what you want for whatever reason.
 
mtrycrafts

mtrycrafts

Seriously, I have no life.
ruadmaa said:
Is the study flawed? I have seen many cry foul on the below pdf. Could folks here certify that it is either a valid or invalid study in regards to all amps sounding similar. It looks good to me.

http://bruce.coppola.name/audio/Amp_Sound.pdf

Some amps do sound different though. SET is not well designed:D
High output impedance on an amp will make its frequency response follow the speakers FR. Clipping one amp will as well. Some may be designed euphonic.

But, overall, modern electronics are transparent.
David Rich and Peter Aczel, 'Topological Analysis of Consumer Audio Electronics: Another Approach to Show that Modern Audio Electronics are Acoustically Transparent,' 99 AES Convention, 1995, Print #4053.
 

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