This is a Transistor power amplifier from the USA. It’s a mono circuit diagram. This circuit can produce 50 watts using a 24-0-24 voltage. A stereo needs a dual circuit board. Here, use 2 transistors. C5198 and A1941. needs positive, negative, and ground voltage.  C5198 is an NPN transistor, and …

This is an amplifier circuit board using C4468 and A1695 transistors. It’s a mono circuit diagram. We can get 100 watts utilizing this board. For stereo, we need to use a dual-board setup. Here needs a dual voltage. positive, negative, and ground voltage. here need 35-0-35 voltage.  Here use of …

This is an amplifier circuit diagram using TDA8927J. It’s a stereo power amplifier. We can get 80+80 watts outputs. This is a class-D circuit board. We can use a minimum of 15-0-15 to 30-0-30 voltage. In 15-0-15 volts, we get 40+40 watts. And in 30-0-30 voltage, we get 80+80 watts.  …

TDA7293 TDA7294 PCB Layout Design: This is the 200 Watts audio amplifier circuit diagram. using 30-0-30 voltage. It’s a stereo amplifier circuit diagram. It’s the TDA7293 TDA7294 PCB Layout Design. Both ICs can be used in this circuit board. And each channel got 100 watts. It’s a bridge-mode circuit. Each …

Amplifier circuit schematic: This is the amplifier circuit schematic. 200 watts audio amplifier diagram. It’s a mono audio diagram for an amplifier. Here we can use 50-0-50 voltage and 5 amperes. For stereo needs, a dual diagram. This is an amplifier circuit using 2SC2922 and 2SA1216.  The transistor 2SC2922: The …

Music light effect: This is a music light effect level circuit diagram. It looks like an old VU meter. Now we use the down-to-up music level light. Every amplifier needs this level circuit. It’s not only the beauty. It’s also for calling the sound level. This circuit runs on 12 …

Transistor amplifier circuit diagram C5198: This is a transistor amplifier circuit diagram C5198 and A1941. This pair of transistors can make 50 watts. It’s a mono audio board. For stereo needs dual board. we can use 20-0-20 voltage to 40-0-40 voltage and 3 amperes. C5198 is positive and A1941 is …

Bridge mode dual power amplifier: This is the bridge mode dual power amplifier. Here we can use TDA2030 or TDA2050. This circuit diagram can make a maximum of 35 watts. Here needs a dual voltage. positive, negative, and ground voltage. minimum 10-0-10 voltage to 18-0-18 voltage can use. TDA2030 runs …

This is the Preamplifier circuit with a graphic equalizer for the amplifier. This diagram runs on 12 volts. It’s a stereo diagram. Treble, midrange, and bass can be controlled using this board. Every amplifier needs this type of circuit to control the sound quality.  The diagram of this circuit is  …

Amplifier circuit using TDA2030: This is the amplifier circuit using TDA2030. We can also use TDA2040 and TDA2050. TDA2006. Many ICs can use this diagram; 2030 AND 2050 are popular ICs. Both diagrams are mono. In this diagram, we can use a 10-0-10 voltage to an 18-0-18 voltage. The voltage …