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# how to make an amplifier using toroidal transformer

## how to make an amplifier:

It’s very important to know about Voltage when we make transistor amplifier. Voltage is important to an amplifier. Every Audio IC or audio transistor have there own rules for using voltage. this why we have to follow the rules. if we use voltage without following the rules we will lose the IC or transistor. here in this video, we can see how to use voltage according to the transistor. how many transistors we are using. We know that one transistor is 1.2 ampere. and we can use 30 Voltage maximum 70 voltage. Watts depend on Voltage and Ampere of the transformer we are using.how to make an amplifier.

Please remember that Always use original or good quality one transistor. How to know about original transistor? there have many groups of the transistor in our market. For an example, 2sa5200 is the transistor number, and there also have another number, that is the Group number it starts from 120 to up 900++. Please always try to use up to 500++ Group number of the transistor.

Now we have to calculate how many transistors we have to use? we know that one transistor can take maximum 1.2 amperes. 1.2 X 8 =9.6 ampere. so we have to use minimum 8 transistors. but we will use 12 transistors for good performance. another example, If we need 350 Watts amplifier then what to do?

then we need 35 X 10 =350Watts. so our ampere is 10. for this ampere we need the 10/1.2=8 transistor need for 10 amperes. if we use maximum ampere for the transistor, the transistor will make hot. for this cause we have to use some more transistor like 12 or 16 transistors. many people think that amplifier Watts depend on the transistor. NO, it’s Wrong. Watts depends on the transformer.Please use good quality of Diode.and use double ampere of the diode according to your transformer.

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