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When it comes to buying a piece of audio equipment (an amplifier or an amp-speaker combination), sometimes brands try to use the term \u2018PMPO\u2019 to project the \u2018Power Handling Capacity\u2019 of their product. This is especially very misleading for a novice customer who perceives that, this projected higher number ensures loudness and quality. So, let\u2019s burst this myth in a simple way.<\/p>\n
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Adding the words \u201c1000 watts PMPO\u201d on the package, the company is making the claim that this product can deliver 1000 watts of power. But there is absolutely no benchmark for measuring PMPO, and amps that make PMPO claims may only be able to hit that peak for about a second or less.<\/p>\n
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The industry standard is Watts RMS, and you should be searching for the RMS value whenever buying any audio equipment. If there\u2019s no RMS measurement given, don\u2019t even think about it, that\u2019s junk! RMS is the possible best way to measure an AC Waveform. It\u2019s the average power of a wave, computed over the entire cycle of the wave. RMS is measured with a sine wave and at the point where the amp is distorting the waveform by 10%. Waveforms can distort because the peak voltage is too high for the equipment, or because the sustained power is too much for the power supply. Either way, you need a sustained, continuous output for that to be a valid measurement.<\/p>\n
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So how do the PMPO people measure power? A single wave is just pushed through the amp and checked for the highest peak they can get out of it. They don\u2019t mind about the distortion or whether that level can be sustained before the equipment is damaged. One single peak is enough. But it is not a valid measurement of continuous musical power. You will not be getting 1000 watts for the entire song, just a single peak for a millisecond or less. In reality, some amplifiers marked as 1000 watts PMPO will only have a true RMS output of 10 watts or less. Surprised?<\/p>\n
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So, remember that PMPO is a falsehood at the lowest and a worthless number at the highest!<\/p>\n
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When it comes to buying a piece of audio equipment, brands try to use the term \u2018PMPO\u2019. This is very misleading for a novice customer.<\/p>\n","protected":false},"author":1,"featured_media":2419,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_glsr_average":0,"_glsr_ranking":0,"_glsr_reviews":0},"categories":[6],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/musicianscorneruae.com\/blogs\/wp-json\/wp\/v2\/posts\/2308"}],"collection":[{"href":"https:\/\/musicianscorneruae.com\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/musicianscorneruae.com\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/musicianscorneruae.com\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/musicianscorneruae.com\/blogs\/wp-json\/wp\/v2\/comments?post=2308"}],"version-history":[{"count":3,"href":"https:\/\/musicianscorneruae.com\/blogs\/wp-json\/wp\/v2\/posts\/2308\/revisions"}],"predecessor-version":[{"id":2311,"href":"https:\/\/musicianscorneruae.com\/blogs\/wp-json\/wp\/v2\/posts\/2308\/revisions\/2311"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/musicianscorneruae.com\/blogs\/wp-json\/wp\/v2\/media\/2419"}],"wp:attachment":[{"href":"https:\/\/musicianscorneruae.com\/blogs\/wp-json\/wp\/v2\/media?parent=2308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/musicianscorneruae.com\/blogs\/wp-json\/wp\/v2\/categories?post=2308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/musicianscorneruae.com\/blogs\/wp-json\/wp\/v2\/tags?post=2308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}