Mini Audio Amplifier with MOSFET Technology

Parts List The circuit consists of a preamplifier, tone controls, and a regulated DC power supply, providing a power output of 18 Watts for an 8 Ohm load.

The circuit design includes three main components: a preamplifier, tone control circuitry, and a regulated DC power supply. The preamplifier is responsible for amplifying low-level audio signals to a level suitable for further processing. It typically employs operational amplifiers (op-amps) configured for gain, and may include features such as input impedance matching to optimize signal integrity.

The tone control section allows for the adjustment of bass, midrange, and treble frequencies to tailor the audio output to user preferences. This is generally achieved using passive or active filter networks that can boost or cut specific frequency ranges.

The regulated DC power supply is crucial for providing stable voltage levels to the circuit components. It ensures that variations in input voltage or load do not affect the performance of the preamplifier and tone controls. The power supply may utilize linear or switching regulation techniques, depending on efficiency and design requirements.

The overall output power of the circuit is rated at 18 Watts when driving an 8 Ohm load. This specification indicates the circuit's capability to deliver sufficient power for typical audio applications, such as driving speakers in home or professional audio systems. The design must also consider thermal management and component ratings to ensure reliable operation within the specified output parameters.Parts List The circuit consists of preamplifier, tone controls, and regulated DC power supply, while providing a power output of 18 Watts for 8 Ohm load a.. 🔗 External reference