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The 600W Audio Amplifier Circuit Diagram is based around {LM4702}manufactured by NATIONAL semiconductors&{MJ11029-MJ11028} by ON semiconductors It is a high fidelity audio power amplifier. Designed for demanding consumer and pro-audio applications. You can also use this circuit with AV receivers, Audiophile power amps, Pro Audio High voltage industrial applications etc Amplifier output power maybe scaled by changing the supply voltage and number of output devices. The circuit includes thermal shutdown circuitry that activates when the die temperature exceeds 150°c. CIRCUIT’s mute function, when activated, mutes the input drive signal and forces the amplifier output to a quiescent state.  Simple 600W Audio Amplifier Circuit Diagram Power: Maximum Output power @ 8ohms : 300watt Absolute max power supply voltage :±38V to ±40V Recommended power supply voltage :±30V to ±35V

Here I tested a 600W 50Hz sine wave inverter circuit using push-pull topology instead of full-bridge topology. 2 PIC16F684's were used - one for SPWM and one for charging. 2 microcontrollers were used intentionally as the purpose was to test if I could use the microcontrollers together and use each of them for multitasking. 2 auxiliary transformers are used - one for powering the circuitry when running off mains and one for current sensing. Charging is done with 4 relays that are turned on/off according to input voltage and accordingly connect the input voltage to an appropriate transformer winding/tapping to keep output voltage relatively constant. Switching frequency is 16kHz. The sine table has 32 values. Here is the complete sine table: 0, 16, 32, 47, 62, 77, 91, 103, 115, 126, 136, 144, 151, 156, 160, 162, 163, 162, 160, 156, 151, 144, 136, 126, 115, 103, 91, 77, 62, 47, 32, 16, //65% 0, 17, 33, 49, 65, 80, 94, 107, 120, 131, 141, 149, 156, 162, 166, 168, 169, 168, 166, 162, 1...

Welcome to free circuit dot com,today We have a circuit for audio amplifier. We found the circuit in my electronic book,This amplifier power spec is 600W with stereo system. I’m say a fantatic audio amplifier circuit with completely sound and popular using. This circuit take high quality electronic components with pair power amp good function and PCB has not bug. Managing heat of transistor power with light heatsink that guarantee is not over heat.   Teacnical information 1.Input section responsibility =1.43 RMS 2.Power of amplifier = 600+600W at 85Volt 3.Input Impedance 85000 ohms. 4.THD less than 0.008% at 20 Watts 1000Hz 5.Frequency responsibility 0.3dB at 20Hz and 20KHz 6.Hum and noise less then 177dB 120Hz-20KHz  Sure!,We have provide schenmetic,PCB and electronic part list for your build it.  Click On Image And Zoom And Picture below is electronic part list of this circuit