300W audio power amplifier circuit diagram
300W Audio Power Amplifier
The output transistors are MJL4281A (NPN) and MJL4302A (PNP), known for their high bandwidth, excellent SOA (Safe Operating Area), high linearity, and high gain. The driving transistors are MJE15034 (NPN) and MJE15035 (PNP), all rated at 350V.
Performance:
8Ω/4Ω voltage gain: 27dB/27dB
Power (continuous): 153W (240W)
Peak power (10ms): 185W (250W)
Peak power (5ms): 185W (272W)
Input voltage: 1.3V (2.0V) RMS
Noise: -63dBV (ref. 1V)
S/N ratio: 92dB
Distortion: 0.4%
Distortion (@ 4W): 0.04% (1kHz), 0.07% (10kHz)
Slew rate: >3V/us
Figure 1: 300W Audio Power Amplifier Circuit Schematic
Figure 2: 300W Audio Power Amplifier Power Supply Circuit Diagram
This 300W audio power amplifier is designed with top-tier components, ensuring exceptional sound quality and reliability. It features a robust power supply system that supports both continuous and peak power demands, making it ideal for professional audio applications. The circuitry is meticulously crafted to minimize distortion and maximize signal integrity, delivering an unparalleled listening experience. Whether you're setting up a home theater or a live sound system, this amplifier provides the necessary power and precision to meet your needs.
For those interested in building their own amplifiers, the provided schematics offer a detailed guide. The main circuit diagram highlights the layout of the output and driving transistors, while the power supply diagram outlines the critical components needed for stable operation. With these resources, hobbyists and professionals alike can achieve impressive results in audio engineering.
In addition to its technical specifications, this amplifier also benefits from high-quality components such as the SMD3030 LED beads from Sanan, which provide bright and efficient illumination. For inductors, the Shunluo Inductance Power Inductor SWPA series ensures smooth current flow, while the Murata winding inductance guarantees authenticity and performance consistency.
Overall, this 300W audio power amplifier represents a perfect blend of advanced technology and practical design, suitable for a wide range of applications. Its performance metrics and build quality make it a standout choice for anyone looking to enhance their audio setup.
2D Barcode Module,2D Barcode Scanner Module,Rakinda Barcode Scanner,Arduino 2D Barcode Scanner
Guangzhou Winson Information Technology Co., Ltd. , https://www.barcodescanner-2d.com