Mini 10 watt Audio Amplifier

You can use this powerful amplifier in any small audio project. It is very small (6.5 x 4.5 cm). It outputs 10W and uses a 9V battery. More: Components List R1: 6 Ohm R2: 220 Ohm R3: nothing R4: 10 KOhm potentiometer C1: 2200 uF / 25V C2: 470 uF / 16V C3: 470 nF / 63V C4: 100 nF C5: nothing C6: nothing IC1: TDA 2003

The described amplifier circuit is a compact audio amplification solution designed for small audio projects, utilizing the TDA 2003 integrated circuit (IC1) as the primary amplification component. The amplifier is capable of delivering an output power of 10W, making it suitable for driving small speakers in various applications.

The circuit dimensions are notably compact, measuring 6.5 cm by 4.5 cm, which enhances its versatility for integration into various enclosures or portable devices. The power supply for this amplifier is a 9V battery, which provides the necessary voltage for operation while maintaining a manageable size for the overall design.

The components list includes various resistors and capacitors that contribute to the functionality and performance of the amplifier. Resistor R1, with a value of 6 Ohms, is likely used in the output stage to match the load impedance of the speaker. R2, valued at 220 Ohms, may serve as part of a feedback loop or biasing network, while R4, a 10 KOhm potentiometer, allows for adjustable gain control, enabling the user to modify the output volume as needed.

Capacitors C1, C2, C3, and C4 play crucial roles in filtering and stabilizing the power supply and signal paths. C1, rated at 2200 µF and 25V, acts as a power supply filter capacitor, smoothing out voltage fluctuations from the battery. C2, with a value of 470 µF and 16V, likely serves a similar purpose in the amplifier's power supply circuit. C3, at 470 nF and 63V, and C4, at 100 nF, are likely coupling and bypass capacitors, ensuring that high-frequency noise is filtered out and that the audio signal is transmitted effectively through the circuit.

Overall, this amplifier circuit presents a straightforward and efficient solution for small audio applications, making it an excellent choice for hobbyists and engineers alike.You can use this powerfull amplifier in any small audio project. It is very small (6.5 x 4.5 cm).It outputs 10W and uses a 9V battery. Componets List R1 : 6 Ohm R2 : 220 Ohm R3 : nothing R4 : 10 KOhm pontesiometer C1 : 2200 uF / 25V C2 : 470 uF / 16V C3 : 470 nF / 63V C4 : 100 nF C5 : nothing C6 : nothing IC1 : TDA 2003 🔗 External reference