Class A amplifier IRF610
Very simple class a amplifier with the basic mosfet amp scheme found from google and I modified it using a paralleled IRF610 mosfet.
Surprisingly the sound produced is very smooth even though the power produced is only about 2Watt.
Please note Resistor R1-R4 is very hot so it needs to be combined with the main heatsink.
You can modify the resistance of this resistor with an 80watt light bulb that has a resistance of 12 ohms, or you can also use a constant current circuit using a transistor.
You only need a 24VDC adapter for the voltage source of this amplifier, and don't forget to set the bias at 1/2VCC (but for me i set it at 8-9V for best audio quality)
Please check the video on Barlex Respectaizer Youtube Channel.
Class A amplifier IRF610
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