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Hello friend, the RMS value of each TDA2002 is 8 Watts and the TDA2003 is 10 Watts, so 7 channels of 8 Watts for speakers and 1 channel of 10 Watts for the woffer 66 Watts RMS. keep in mind that to reach that value you need a power supply with 20% more in Watts, for example 12 Volts at 6.6 Amps, mine is 5 Amps at 12 Volts and it sounds great, you can also use 18V at 3.6 Amps.
there are 4 stereo inputs (8 channels) and 8 independent outputs corresponding to each channelcenterbassleftrightside leftside rightrear leftrear rightthe bass use tda2003 and tda2002 the others.
thanks to you for reed my tutorial, if you need help, i'm ready to help you ^_^
8 Channel Analog Amplifier for PC or HomeTheaterView Instructable »
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