“Why does the Yamaha AS 801 AMP on Best Buy web site say 320 Watts (160 per channel) while the Yamaha web site says the AS 801 AMP are only 200 watts (100 per channel)?”
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Marketing in the audio business can be confusing at times. Let me clear this up. No matter who the manufacturer is, they all advertise the same way. The lower the "resistance" (measured in ohms) the more power/electricity can be conducted. If a speaker has a resistance rating of 8 ohms, it wont be able to receive as much electricity as any comparable 4 ohm speaker even though they're using the same amp, set up and wire. This causes marketing to throw around a bunch of different specs in the air, willy-nilly. Often times, the people creating the product sale page on their website don't even understand what specs are what. Tech can be confusing. When ever a company advertises a devices "Peak Power", they will advertise it at a its lowest usable resistance (4ohms). 2 Channels Driven @ 4ohms, this amp does indeed provide 160 + 160 power, but that's not how you will use this device most likely. If you're driving 4 ohm speakers, you need a better amp than this and you should probably just buy "seperates". The real statistic you will be looking for when shopping an amp or receiver is going to be RMS power for 2 channels driven @ 8ohms 20hz - 20khz. This specific amp is is 100w + 100w (200w RMS). This amp will work great for any 6 or 8ohm rated speaker. It is loud as heck!
Sorry, there was a problem. Please try again later.They all advertise power at the 4 ohm power so you have to go to the manufacturers web site to get the real break down, this is normal. Trust me 200 watts is plenty unless you have a huge room to fill.
Sorry, there was a problem. Please try again later.It looks like Best Buy is using the maximum power per channel (at 4 ohms). Source- A-S801 manual, specifications section.
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