Transistor Stereo Bass Booster Circuit C1815

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Introduction

Increasing the bass in any audio system increases the audio quality. This is commonly accomplished by incorporating different components into an electronic circuit. It must, of course, have an audio input so that you may connect it to your speakers. You may also anticipate feeling more engrossed in the entire listening experience with such an approach. Not only that, but the bass boost circuit additionally works as a volume, gain, and bass control circuit. So, in this tutorial, we are going to make a “Transistor stereo bass booster circuit”

As the name implies, we are going to use transistors in the making of the circuit. Here we are using the C1815 transistor, The C1815 is a bipolar junction NPN transistor that is widely utilized in commercial and educational applications. It is intended for audio frequency amplification and high-frequency oscillator applications

Hardware Required

S.no	Component	Value	Qty
1.	Transistor	C1815	2
2.	Resistor	56K, 47K, 680 Ohm, 2K, 5.6K, 24K, 4.7K, 27K, 39K, 20K, 220K, 3.3K, 560 Ohm, 33K	1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1
3.	Capacitor	0.002uf, 10uf, 0.033uf, 33uf	1, 3, 1, 1
4.	Variable Resistor	10K	1

Circuit Diagram

Working Explanation

In this Transistor Stereo Bass Booster circuit, capacitor C1 couples an input signal into transistor Q1’s base circuit. For the first preamplifier portion, resistors R1 and R2 are biased currents to Q1. Then, a stronger signal emerges from the Emitter of Q1. The voltage remains constant, but the current increases. It maintains a low impedance, to drive RC networks to segregate and boost the bass signal over other frequencies. However, the signals generated by the RC networks will be too low. So, with transistor Q2 and a few other components, we increase the signal even more. Following that, some of the output signals are sent back to the RC network circuit as a feedback signal. To amplify a signal once again.