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Audio distribution circuit

This audio distribution circuit project is designed using the TL064 or TL06 operational amplifiers and some other common electronic parts.
This audio distribution circuit presented in this schematic is based on an TL06 (you can use TL064 ) and it’s very useful in signal distribution .
TL06 it’s made by Texas Instruments and is a low power operational amplifier .TL06 is an low power version of TL08 series operational amplifiers .
This electronic project circuit diagram don’t need more components and is very easy to make , requiring an dual 15 volts power supply .

Electronic Circuits: 
Circuit Diagram: 
audio distribution circuit using op amp


I have seen some versions of this (in Mfr Application Notes for eg) which put a 300 ohm resistor in series with output. Is impedance matching necessary?