The first power output is measured for frequency at 1khz..and here total harmonic distortion(THD) is a 0.9% of original output power at 1khz..so 115W means sqrt((total power)^2+(0.9% of total power)^2)..this type of specification is used to specify performance of amplifiers.Another help required regarding AVR power.....they give power for a amplifier as:
115W per channel (8 ohms, 1 kHz, 0.9 % THD, 1 ch driven)
80W per channel (8 ohms, 20 Hz-20 kHz, 0.09 % THD, 2 ch driven)
If I am talking about 5.1 Channel AVR then does it drive only 2 channels at a time or it drives 5 channels at a time. And if 5 channels are driven at the same time then what will be the output of the same AVR.
And the second thing is if one AVR supplies maximum power of 80 Watts when all Channels driven then what is the meaning of taking speakers whose power is more than 80 watts and impedence 8 ohm offcourse......
Please help me solve this query.....
Now the second one is also same but you can see the frequency range is very high so THD is more distributed so it's low.
This 80Watt is rated maximum output rms power which means if you connect two 8 ohms speaker system it can drive both @ 80 w.
So does that means it will consume 80w all the time per channel..it depends on loudness or how high you want your amplifier to deliver sound..it will be a bit low than 80w cause there is a inbuilt circuitry in each amplifier to control the driving current so over current won't burn the chip itself.