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<blockquote data-quote="squeak9798" data-source="post: 2636809" data-attributes="member: 555320">It has been reasonably well demonstrated that the only sources of an amplifier&#039;s &quot;sonic characteristic&quot; are gain, power, noise, distortion and frequency response.You must have an audible difference in one of these categories for an amplifier to &quot;sound&quot; different.While great for things like longivity, the only way this will alter sound is if it causes an audible change in one of the above listed categories.This would fall under processing moreso than true &quot;sonic differences&quot; between amplifiers.Take the Zapco DC or Kicker SX series, for example.&nbsp; They have a ton of built-in processing features that really allow you to alter the sound of your system (advanced xovers, equalization, etc).&nbsp; But you can do exactly the same with external processors, so the differences don&#039;t really lie &quot;within&quot; the amplification process itself.Unless I&#039;m defining &quot;sound manipulation&quot; differently than you are.See above.Probably the primary factor in most cases.Commonly referred to as &quot;physcoacoustics&quot;.Sort of like the &quot;audiophiles&quot; who claim marking your CD&#039;s with a green marker will make them sound better.Once you find an amplifier that outputs the power you need into the impedance you have with the features you want, asthetics you enjoy, the prestige you desire, and the quality of construction, warranty and customer service you demand.Where that falls within a price range is completely dependent upon the individual.Too subjective to give a finite answer.In many cases it has to do with the ability of the product to last over time.&nbsp; McIntosh, for example, has very high values because they use great internal components, don&#039;t fail often and will last for literally decades without needing repair.</blockquote>

[QUOTE="squeak9798, post: 2636809, member: 555320"] It has been reasonably well demonstrated that the [I]only[/I] sources of an amplifier's "sonic characteristic" are gain, power, noise, distortion and frequency response. You [I]must[/I] have an [I]audible[/I] difference in one of these categories for an amplifier to "sound" different. While great for things like longivity, the only way this will alter sound is if it causes an audible change in one of the above listed categories. This would fall under processing moreso than true "sonic differences" between amplifiers. Take the Zapco DC or Kicker SX series, for example. They have a ton of built-in processing features that really allow you to alter the sound of your system (advanced xovers, equalization, etc). But you can do exactly the same with external processors, so the differences don't really lie "within" the amplification process itself. Unless I'm defining "sound manipulation" differently than you are. See above. Probably the primary factor in most cases. Commonly referred to as "physcoacoustics". Sort of like the "audiophiles" who claim marking your CD's with a green marker will make them sound better. Once you find an amplifier that outputs the power you need into the impedance you have with the features you want, asthetics you enjoy, the prestige you desire, and the quality of construction, warranty and customer service you demand. Where that falls within a price range is completely dependent upon the individual. Too subjective to give a finite answer. In many cases it has to do with the ability of the product to last over time. McIntosh, for example, has very high values because they use great internal components, don't fail often and will last for literally decades without needing repair. [/QUOTE]

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