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Junior Varsity
New Lightweight Power Amp Ratings
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<blockquote data-quote="Brian jojade" data-source="post: 58951" data-attributes="member: 211"><p>Re: New Lightweight Power Amp Ratings</p><p></p><p>There's the continuous RMS rating, which is what an amp could put out for a sustained period of time. Think sinewave, or pink noise. This requires the power supply to be able to continuously be able to put out enough power for the output to stay happy. Of course, this means a more expensive power supply. Since music is rarely going to be a continuous output at full tilt, manufacturers found that they could scrimp on the power supply, but still get the peak RMS rating that is needed for musical performance. Now, some go way too far in this category and can only produce peak power for such a short time that it's not usable, but it still can be counted as 'peak' because it can do it. You can guess which amps are more likely to suffer from this because they are going to cost far less than the units than can produce full continuous RMS at the peak rating.</p><p></p><p>Oh, and then, of course, there is the balls out stupid peak rating that you see on car amplifiers. This is the maximum possible current that can come out of the amp with no consideration of distortion levels or sanity. It's a big number to compensate for smaller things, and should pretty much be ignored.</p></blockquote><p></p>
[QUOTE="Brian jojade, post: 58951, member: 211"] Re: New Lightweight Power Amp Ratings There's the continuous RMS rating, which is what an amp could put out for a sustained period of time. Think sinewave, or pink noise. This requires the power supply to be able to continuously be able to put out enough power for the output to stay happy. Of course, this means a more expensive power supply. Since music is rarely going to be a continuous output at full tilt, manufacturers found that they could scrimp on the power supply, but still get the peak RMS rating that is needed for musical performance. Now, some go way too far in this category and can only produce peak power for such a short time that it's not usable, but it still can be counted as 'peak' because it can do it. You can guess which amps are more likely to suffer from this because they are going to cost far less than the units than can produce full continuous RMS at the peak rating. Oh, and then, of course, there is the balls out stupid peak rating that you see on car amplifiers. This is the maximum possible current that can come out of the amp with no consideration of distortion levels or sanity. It's a big number to compensate for smaller things, and should pretty much be ignored. [/QUOTE]
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