Audio Line Driver Circuit

  
This line driver can drive low-impedance lines with up to 70 V p-p max. IC1 is a low-noise op amp suitable for 15-V operation. T1 and T2 are regulators for the power supply for IC1. T3 and T4 form a complementary power output stage.
Audio Line Driver Circuit - schematic

Frequency response is flat up to 100 kHz.




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