Tag Archives: amplifier circuit diagram

This is a vintage amplifier circuit diagram board. This circuit can make 150 watts + 150 watts. It’s a stereo audio amplifier circuit board. This circuit operates at a minimum of 25-0-25 V and a maximum of 45-0-45 V. Here, use 4 transistors: 2 transistors for the left channel and …

This is an amplifier circuit diagram using TDA7293 and TDA7294. This circuit can make 100+100 watts in stereo mode and 200 watts output in bridge mode. This circuit has a bridge mode pin. Here needs 25-0-25 voltage Ac voltage is needed. 25 volts 10 amperes. We can use both the …

This is a small amplifier circuit diagram. This circuit uses 2 transistors. 2sc5200 and 2sa1943 transistors are used in this circuit. This circuit can make 150 watts of output. We can use a 25-0-25 voltage up to 50-0-50 voltage and 5 amperes. It’s a mono circuit diagram. MJE350 and MJE340 …

This is an amplifier driver circuit diagram. It’s a driver circuit diagram. We can use 2 transistors in this circuit. Here, small driver transistors are used. For 4 transistors or more, we have to use another powerful driver transistor. Here, C2229 is used for the positive driver transistors. and A949 …

This is an audio amplifier circuit diagram using the MOSFET IRFP250N. This amplifier can make 500 watts of output. Here, use 4 MOSFETs. The 25-0-25 to 80-0-80 voltage range can be used in this circuit. It’s a mono audio amplifier circuit board. We can also use another MOSFET. like IRFP150N.  …

This is the amplifier circuit board with speaker protection using transistors. here use 2sc5200 and 2sa1943. This is the transistor board only here needs an amplifier driver circuit board. It’s a mono amplifier circuit board. Here, use 6 transistors. 2sc5200 and 2sa1943. We can also use another transistor. PNP and …

This is a Stereo amplifier circuit diagram using transistors 2SC5200 and 2SA1943. It’s a dual-channel audio amplifier circuit board. left and right channels. Each channel can make 150 watts of output. We can use a minimum 25-0-25 voltage to 50-0-50 voltage. Here needs AC voltage. We can also use other …

This is an amplifier driver circuit board using transistors. This is only the driver circuit board. This circuit needs power transistors to make an amplifier. PNP and NPN transistors are needed. like 2sc5200 and 2sa1943. or C5198 and A1941. positive, negative, and ground voltage. Here in this circuit, we can …

This is an amplifier circuit diagram using transistors. Here, the C5198 and A1941 transistors are used. We can also use other transistors. any pair of NPN and PNP. like 2sc5200 and 2sa1943. It’s a mono audio circuit diagram board. This circuit can make a maximum of 400 watts. It depends …

This is an amplifier circuit diagram using transistors. Here, 2sc5200 and 2sa1943 transistors are used. These transistors can make an output of a maximum of 180 watts. The pair of 2SC5200 transistors and 2SA1943 transistors are very popular power transistors used in audio amplifiers.  1 Pair (2SC5200 + 2SA1943) transistoes …