how to install multiple inputs on the amplifier

how to install multiple inputs on the amplifier. Generally amplifiers only have an input path as an audio path but with a little way my friend can also add it into several inputs in accordance with what you want

So my friend can use one input for music, and other inputs into mic audio and so forth according to your wish

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Here are tips on how to install multiple inputs on the amplifier and how to combine the input on the amplifier

how to install multiple inputs on the amplifier

For how to install some inputs on the amplifier itself consists of several kinds that can use a rotary switch and can also use a potentiometer

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how to install multiple inputs on the amplifier using rotary switch

how to install multiple inputs on the amplifier

the first way is to use a rotary switch. Rotary switch is a rotary switch that has several paths, and to select the path you must play it in accordance with the friend who wants

Also read previous articles about the notion and the types of switches in the electronics circuit

With rotary switch you can choose audio path like radio, mic, input and so on by rotating Rotary switch

but this technique has a drawback that is only able to choose one audio path only. In other words if my friend wanted to play a song and mix it with microphone sound then this way can not be done because only friend can choose one input only

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how to join input on amplifier using potentiometer

how to install multiple inputs on the amplifier

The second way is to use potentiometers. In this way my friend can choose and mix any audio input as you want. This requires a potentiometer according to the number of input channels and a preamp

for article about preamp you can read on single transistor preamp circuit

If the input channel of 5 pieces then my friend also must use potentiometer as much as 5 pieces

Here’s the circuit schematic

how to install multiple inputs on the amplifier

the resistor R on the potentiometer serves to prevent the flowing of the audio signal to ground when another potentiometer is in the minimum volume position

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While the preamp function is to amplify the audio signal because after going through 33K resistor audio signal becomes small then by using preamp audio signal will return to normal

For the preamp circuit you can use the preamp mic that is finished but you must remove the 10K resistor or you can make your own like the above circuit

Also read article How to install the switch on the amplifier

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