Hello guys, this time I will share a circuit of the power amplifier that is very simple but still put forward the sound quality and the power is quite large. This is a super simple power amplifier 200Watt output power that driven by final transistor 2SA1943 and 2SC5200 1 set. Power amplifier type is OCL with Class AB system, and include bias trimpot for setting DC Output power amplifier.
Below is the super simple power amplifier circuit diagram.
Component List:
| R1 | 100k |
| R2 | 33k |
| R3,R6 | 560R |
| R4-R5,R8 | 27k |
| R7,R9 | 56R |
| R10 | 1k |
| R11 | 4k7 |
| R12 | 10k |
| R13-R14 | 330R |
| R15-R16 | 0R22 |
| C1 | 22n |
| C2 | 10n |
| C3-C4 | 10U |
| C5,C7 | 22U |
| C6,C8,C10 | 100p |
| C9 | 33U |
| RV1 | 1K |
| Q1-Q2 | 2N5401 |
| Q3 | MJE350 |
| Q4 | MJE340 |
| Q5 | C4793 |
| Q6 | A1837 |
| Q7 | 2SC5200 |
| Q8 | 2SA1943 |
| D1-D5 | 1N4007 |
Connector J1 is for audio signal input, J2 Power Amplifier Output, J3 -VDC, J4 +VDC, J5 GND.
This Super Simple Power Amplifier 200W it can work with Power Supply minimum 25VDC up to 45VDC. It can deliver maximum output power up to 200W with 8 Ohm impedance output load.
Below the PCB Layout Super simple power amplifier in 2 Layout Gerber view.
Download
Gerber file: 200W Super Simple Power Amplifier
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