This is a simple MOSFET amplifier circuit diagram. It uses 2 MOSFETs: IRF540 and IRF9540. This circuit diagram can produce 100 watts of output. It can operate at a minimum of 25-0-25 volts and a maximum of 40-0-40 volts. It’s a mono audio amplifier circuit.  Key Specifications (IRF540 / IRF540N) …

This is the Subwoofer amplifier circuit diagram 2.1. This circuit has left and right channel inputs. and 3 outputs. Left and right outputs and subwoofer outputs. Surround channels got 15+15 watts outputs. The subwoofer output is 30 watts.  12-0-12 voltage is needed to run this circuit.  Here use TDA2030 Ic. …

This circuit converts AC to DC voltage. This voltage is for the audio amplifier. Every amplifier needs this type of voltage. This circuit converts AC to DC voltage. AC 45-0-45 to DC 50-0-50 volts. Every amplifier needs 2 types of voltage: one voltage for the main amplifier. And one voltage …

This is the mini amplifier circuit diagram using transistors. This circuit produces 100 watts of output. It’s a mono audio circuit diagram. This circuit diagram runs on a 35-0-35 voltage. Here, it uses PNP and NPN transistors. Basic Specification for 2SC5200 The transistor type is an NPN Power Transistor. Transistor Collector-Emitter …

This is an amplifier circuit diagram using transistors 2SC5200 and 2SA1943. This circuit produces 150 watts. It’s a mono audio amplifier circuit diagram. We can use a minimum of 20-0-20 volts to a maximum of 50-0-50 volts. PNP and NPN transistors can be used in this circuit.  Basic Specification for …

This is a 150-watt transistor amplifier circuit diagram using 2SC5200 and 2SA1943. This circuit can produce 150 watts of output. It runs on a minimum 20-0-20 voltage to a maximum 80-0-80 voltage. better voltage is 35-0-35 volts and 5 amperes.  It’s a mono audio amplifier circuit diagram. C2073 and A940 …

This is a DIY transformer for an amplifier. These are the winding rules for toroidal transformers. It’s a 2400 watts transformer. We are going to make a 50-0-50 voltage transformer for an amplifier. Here, the core area is 7 × 7 = 49 cm. 49X49=2401. This core can produce 2401 …

This is an amplifier circuit diagram using STK412-150. This circuit produces 150+150 watts of output. It’s a stereo audio amplifier circuit diagram. This circuit needs dual voltage high and low voltgae. Positive high and low voltage. Negative high and low voltage.  All capacitors should be a minimum of 100 volts. …

This is an amplifier circuit diagram with 200 Watts RMS audio output. This circuit produces 200 watts of output. It’s a mono audio circuit diagram. For a stereo amplifier, we have to use a dual board. Here, we use 4 transistors. One pair of transistors can produce 150 watts of …

This is a transistor amplifier driver circuit board using 2SC5200 and 2SA1943 transistors. This circuit can produce a strong output in watts using transistors. We can use a maximum of 20 transistors. To run this circuit needs minimum 2 transistors. It’s a mono amplifier circuit board.  Basic Specification for 2SC5200 …