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<blockquote data-quote="THATpurpleKUSH" data-source="post: 7371658" data-attributes="member: 615398">some more examples of some older amps that I hadAlpine mrpf300 ab class 4ch rated at 75x4 =300wrms with 50a of fuses.&nbsp; &nbsp; 50a x 6v= 300w Which is dead on for the manufacturer&#039;s rating, this is a cea 2006 compliant amp even at the lowest impedance ability, so we know it does it&#039;s rated power throughout the frequency spectrum.You have to be careful with cea 2006 compliant ratings because some are only for certain impedance levels, some are rated at all of the impedance operating levels. For example, the Kenwood kac9105d is only cea 2006 compliant at 4 ohms. caraudiomag.com did a review of its predecessor kac9104d and found it put out nowhere near the power it was rated for at anything other than a 4 ohm load.The owners manual will tell you about the power ratings and cea ratings if there are any, so its often best to find the owners manual online and compare specs there instead of what retailers list, because retailers often list specs wrong.</blockquote>

[QUOTE="THATpurpleKUSH, post: 7371658, member: 615398"] some more examples of some older amps that I had Alpine mrpf300 ab class 4ch rated at 75x4 =300wrms with 50a of fuses. 50a x 6v= 300w Which is dead on for the manufacturer's rating, this is a cea 2006 compliant amp even at the lowest impedance ability, so we know it does it's rated power throughout the frequency spectrum. You have to be careful with cea 2006 compliant ratings because some are only for certain impedance levels, some are rated at all of the impedance operating levels. For example, the Kenwood kac9105d is only cea 2006 compliant at 4 ohms. caraudiomag.com did a review of its predecessor kac9104d and found it put out nowhere near the power it was rated for at anything other than a 4 ohm load. The owners manual will tell you about the power ratings and cea ratings if there are any, so its often best to find the owners manual online and compare specs there instead of what retailers list, because retailers often list specs wrong. [/QUOTE]

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