Hcf4053be Circuit Diagram
Amplifier watt circuits channels identical Datasheet stmicroelectronics 140w audio amplifier with ic stk070
70 Watt Stereo Amplifier Circuit - Homemade Circuit Projects
Amplifier 140w power audio ic circuit output impedance approximately 8ohm dc Hcf4052 datasheet(pdf) 70 watt stereo amplifier circuit