Saturday, June 16, 2018

200W Super Simple Power Amplifier

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.
200W Super Simple Power Amplifier Circuit
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
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.
PCB Layout design 200W Super Simple Power Amplifier


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