Hcf4053be Circuit Diagram
70 watt stereo amplifier circuit Amplifier 140w power audio ic circuit output impedance approximately 8ohm dc Hcf4052 datasheet(pdf)
70 Watt Stereo Amplifier Circuit - Homemade Circuit Projects
Datasheet stmicroelectronics 140w audio amplifier with ic stk070 Amplifier watt circuits channels identical
HCF4052 Datasheet(PDF) - STMicroelectronics
70 Watt Stereo Amplifier Circuit - Homemade Circuit Projects
140W audio amplifier with IC STK070 - Electronic Circuit