Using the original laser dark words LM3886TF, NE5532.
1. The resistor uses a five-ring metal resistor, and the main loop uses a five-ring metal film resistor with an accuracy of ±1% to ensure a good signal-to-noise ratio.
2. The main filter electrolytic capacitor adopts gold NOVER audio special capacitor nameplate with capacity of 10000UF/35V*2 to ensure a steady stream of powerful power support.
3.PCB adopts 1.6mm thick double-sided plate, 2.0oz thick copper, and spray tin process to ensure the good passing performance of the size current. First-class PCB quality
4. Especially add the current advanced UPC1237 horn protection circuit to effectively control the start-up impact sound and make your horn more secure.
. 5. The layout of the entire circuit board layout is quite rigorous and reasonable. The overall PCB layout uses a point grounding method. The power amplifier board is stable and reliable, and has a large output power; the sound is mellow and the sound field is open. Strong sense of three-dimensional, low-frequency solid and powerful, signal-to-noise ratio is very good, wide dynamic range; clear details, excellent transient response, playing all kinds of music to cope with, in the family's playback environment has a very good performance.
6. This board is very easy to connect, as long as the configuration of a few parts can be assembled into a beautiful sound stereo HIFI integrated power amplifier, ideal for audio enthusiasts to use. It is also possible to replace the more suitable and better components with your understanding of the circuit and enjoy the DIY process. (Absolutely worth a try, the effect is very good)
PCB size :150*96MM
1 pc HIFI LM3886(CG Version) Power Amplifier Board 68W+68W