as i said, most good companies list true output for all channels driven. the CEA standard widely used in car audio has been slowly making a appearance in the home audio side of the industry.There really aren't many companies that make amps that drive all channels for the spec on the box.
Damping factor is a bit of a wank yes it is important but most amps are fine, power is what you need- DF is No1 in the Audio myths-
Top 5 Audio Myths Selecting drivers that are suited to the enclosure is way more important than having an amp with a damping factor of a trillion.
Earthquakes 7 channel 150W RMS(8 Ohm) weighs 36kg, it's heavy because it has a big transformer which you need when running 7 channels at 150W RMS.
http://www.earthquakesound.com/pdf_manuals/cinenova_manual.pdf
My car system has around 500W RMS avaliable for the front speakers alone and because they are so inefficient the seem to need quite a bit of the avaliable power. Next time I will get something more efficient as my system is murder on the charging system.
of course speaker enclosure plays a bigger roll then anything related to the amp. if a home audio speaker company cant figure that out, then they should be in business. and btw, that website "myths" section is full of lulz. throwing moar power at a speaker isnt the way to do it. a good, clean amp would suffice more.
and yes, Earthquake amps are heavy and output a lot of power....the only downside is that it has a horrendous sounding output and they make terrible products. a better example would be Sunfire or Mcintosh. or even NAD which makes high current amps in their receivers and separates despite "only" being rated at 80w or so
throwing more power at inefficient speakers is just a waste IMO and im sure you agree since you are using a 500w RMS amp for two speakers. im using a 4 channel 300watt RMS amp for my front components and its more than enough with my Focal speakers. a efficient amp would negate the need for a better charging system. my system is 200amp total and my charging system has zero issue keeping up.
yep. newer 7.1 receivers can turn any source into a "7.1" outputThats really funny, The A-team bluray is in DTS-5.1, the movie isn't even coded for 7.1. There are few movies that are coded 7.1.
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