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1st July 2006, 01:27 PM
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diyAudio Member
Join Date: Sep 2004
Location: portimão
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Connecting AMP IC (TDA8560) to car radio speaker out
Hi, I am planning to built the amplifier in anex, but I want to connect it to the car-radio speaker out.
The problem is that the negative input of the TDA8560 is ground comun(only by a 4,7R resistor) The question is if the pin 2 of the TDA8560 must be connected to the power ground, in all shemmatics i see it is connected to power ground , including the data-sheet, but that is not convenient for connecting the speaker out from the car-radio So if i connect the radio speaker out to a voltage divider than connect to the inputs of the IC pin 2 and 1, disconnecting the pin 2 from power ground will it work fine? Tanks for any help 
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