how to make 2.1 home theater: Normally we use this circuit in a computer soundbox. here used TDA2030 ic. one is for the bass speaker. another 2 is for a surround speaker. one for the right speaker and another for the left speaker. for this circuit need 12-0-12 to 18-0-18 …

stk amplifier circuit diagram stk401-110: This is stk 4191 amplifier circuit diagram stk401-110. here used stk 401-110 ic. this is 70+70 watts amplifier.So 70+70=140 Watts amplifier. for getting 140 watts we have to use 150 watts transformer. If we use 25-0-25 volt so 25+25=50 volt. we know voltage X ampere= …

how to make a subwoofer circuit.  how to make a subwoofer circuit. for the subwoofer, we can use this pre-amplifier. the low pass filter only allows low-frequency signals from 0Hz to its cut-off frequency. this is the diagram. Here we can see its momo low pass filter. using stereo sound …

How to connect the volt meter: How to connect the volt meter. we can measure voltage and ampere. this meter can run 5-25 voltages. we can see it has 2 types of wire. two-socket has in this meter. 1st socket has 3 wires. Red, black, and yellow. The red and …

How to make a voltage regulator using IRF540N: How to make voltage regulator using IRF540N. IRF540N. This transistor can take 33Amperes and  100Voltage. 0.040 Ohm, N-channel Power MOSFET. This is only DC voltage Regulator. we can control 0 voltage to 100 voltage. But here in this video, I use 35 …

how to make amplifier 4.1 amplifiers: how to make an amplifier 4.1 amplifier. this diagram we can use as a car amplifier, or also we can use in the home, this is home theater amplifier also. here in this circuit diagram can make 200 watts. par speaker 50 watts. 50+50+50+50=200 …

how to make a bass circuit diagram: In this article, we can learn how to make. low pass filter circuit diagram. normally our amplifier is not made the only bass. if we want the only bass then we have to use the circuit diagram as a preamplifier to our amplifier. …

how to make inverter circuit: this is an inverter-making circuit diagram, here we are using only two MOSFETs because it’s only 100 watts inverter. we use the ic ka3525a for the oscillation. in this circuit only can load 100 watts. if we want to increase the watts then we have …

How to make copper transformer: Normally we don’t find a copper transformer in the electronics market. For this, we have to reuse the old copper transformer. We can find an old copper transformer in the old tv, in the computer power supply. in many where. but we can’t open the …

How to make 2 transistor amplifier: It’s a 2sc5200 and 2sa1943 transistor circuit diagram. it’s 100 watts amplifier circuit diagram. this transistor can take a maximum of 1.3 amperes. so 1.3X2=2.6 amperes. if we use 40 voltage and 2.5 or 3 amperes transformer then we can get? 3X40=120 watts. we …