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Amplifiers
Class AB vs D
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<blockquote data-quote="joetama" data-source="post: 5040854" data-attributes="member: 564641"><p>No one did, but a lot of people think they do. It was just a comment that is all.</p><p></p><p></p><p>SQ is subjective. For example, go to your local HT store and listen to every speaker they have. They are all going to sound different. Person A might think B&amp;W sounds the best. Person B might think MartinLogan sounds the best. Person C might think Thiel or Focal or Paradigm sounds the best. A users experience is what makes sound quality totally subjective. I personally like a clear but relaxed presence range while still being slightly bright with an exact high frequency and a dry tight bass. Many others think the optiumum sound quailty is a full midrange with a full presence range with a slight roll off of high frequency and a strong thick bass. My definition of SQ varies from someone elses, so SQ is subjective. Measurement equipment can not tell me these parameters, my ear does. There for SQ is subjective, becuase it depends on the subject listening.</p><p></p><p></p><p>Sound exists without hearing. Sound is sound and you are right waves are waves. But, everything you put in a signal line affects the total sound. If I put an EQ inline with my system and take 1K out it is affecting the sound coming out of my speaker, so you hear the EQ in a mannor of speaking. If an amplifier tends to be bright it affects the sound coming out of the speaker by making it brighter, so essentually you hear the amplifier. A frequency sweep of the amplifier might look perfectly flat. But, when factoring in reactance with input devices and reactance with output devices you might end up with a bright sound. Circuits which are made differently react differntly to inputs and outputs. Since most circuits are not coppied but redesigned for a particular goal most will act differently in different situations. Many times this is not audible, but people shouldn't fool themselves into think this doesn't happen.</p><p></p><p>Anyway, I think I have gotten off point.</p><p></p><p>This guy should go Class D, simply because of the heat, power, and quality factors. That is all.</p></blockquote><p>[/QUOTE]</p>
[QUOTE="joetama, post: 5040854, member: 564641"] No one did, but a lot of people think they do. It was just a comment that is all. SQ is subjective. For example, go to your local HT store and listen to every speaker they have. They are all going to sound different. Person A might think B&W sounds the best. Person B might think MartinLogan sounds the best. Person C might think Thiel or Focal or Paradigm sounds the best. A users experience is what makes sound quality totally subjective. I personally like a clear but relaxed presence range while still being slightly bright with an exact high frequency and a dry tight bass. Many others think the optiumum sound quailty is a full midrange with a full presence range with a slight roll off of high frequency and a strong thick bass. My definition of SQ varies from someone elses, so SQ is subjective. Measurement equipment can not tell me these parameters, my ear does. There for SQ is subjective, becuase it depends on the subject listening. Sound exists without hearing. Sound is sound and you are right waves are waves. But, everything you put in a signal line affects the total sound. If I put an EQ inline with my system and take 1K out it is affecting the sound coming out of my speaker, so you hear the EQ in a mannor of speaking. If an amplifier tends to be bright it affects the sound coming out of the speaker by making it brighter, so essentually you hear the amplifier. A frequency sweep of the amplifier might look perfectly flat. But, when factoring in reactance with input devices and reactance with output devices you might end up with a bright sound. Circuits which are made differently react differntly to inputs and outputs. Since most circuits are not coppied but redesigned for a particular goal most will act differently in different situations. Many times this is not audible, but people shouldn't fool themselves into think this doesn't happen. Anyway, I think I have gotten off point. This guy should go Class D, simply because of the heat, power, and quality factors. That is all. [/QUOTE] [/QUOTE]
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