Transistor amplifier using mj15024: This is a Transistor amplifier using mj15024. here used mj15025 and mj15024. This circuit can produce 300 watts using 50-0-50 voltage and 5 amperes. it’s a mono-circuit diagram. it’s a mono audio circuit diagram.  The circuit diagram is  We have another post for you.  circuit diagram …

Transistor amplifier with TDA2050: This is a Transistor amplifier with a TDA2050 circuit diagram. this circuit can make 150 watts. we can use 12-0-12 voltage to 18-0-18 voltage and 4 amperes. it’s a mono-circuit diagram.  The circuit diagram is  We have another post for you. transistor circuit diagram Build a …

2sc5200 and 2sa1943 transistors: This is a 2sc5200 and 2sa1943 transistors amplifier circuit diagram. this circuit diagram can make 100 watts. it’s a mono-amplifier circuit diagram. here we can use 25-0-25 voltage to 50-0-50 voltage and 3 amperes.  The diagram is here     We have another post for you. …

DIY amplifier TDA 2003: This is a DIY amplifier TDA 2003. It’s a 15-watt audio output circuit diagram. we can use 12 voltage and 3 amperes in this circuit diagram. it’s a bridge-mode circuit board.  The circuit diagram. We have another post for you. like Stk 4101   repairing amplifier, transistor circuit diagram …

Audio amplifier PCB 2N3055: This is an Audio amplifier PCB 2N3055. here used 2 transistors. both transistors are the same NPN transistors. here we can use 15-0-15 voltage to 30-0-30 voltage and 4 amperes. This circuit diagram can make 100 watts. it’s a mono-circuit diagram.  Diagram of this circuit board …

4 transistor amplifier 2n3055: This is a 4 transistor amplifier 2n3055. here used 2n3055 and mj2955. this circuit can make 200 watts. here we can use 25-0-25 voltage to 50-0-50 voltage and 6 amperes. Diagram We have another post for you. like Stk 4101   repairing amplifier, transistor circuit diagram Build a Transformer …

DIY bass tone circuit: This is a DIY bass tone circuit for the audio amplifier. this circuit makes the sound the best quality. every amplifier needs this type of circuit. this circuit needs 15+0+15 voltage.  Diagram  We have another post for you. like Stk 4101   repairing amplifier, transistor circuit diagram of 2sa1943 …

Pre-amplifier for bridge mode: This is a Pre-amplifier for bridge mode amplifier. this circuit needs to make the amplifier in bridge mode. when we need dual power in one channel, we have to use this circuit. left and right channel makes output together. that time no need for the ground. …

12 volt inverter circuit: This is an easy 12 volt inverter circuit diagram. we can get 50 watts from this type of diagram. here used 2 mosfet only. the transformer will be 6 turns + 6 turns wire for the primary and the secondary will be 200 turns for 220 …

2000 Watts Power Amplifier: This is a 2000 Watts Power Amplifier that uses Mosfet. it’s a mono mosfet circuit diagram. we can use 90-0-90 voltage and 20 amperes. 12 MOSFET are used to make 2000 watts. for stereo needs dual circuit.  The circuit diagram We have another post for you. …