Design Of Optimal Sound Amplifier Circuit
The working mode of the Class A power amplifier has the best linearity.
Each output transistor amplifier the full wave of the signal, and there is no Switching distortion. Even if it is not negative feedback, its open loop distortion is still very low.
Transparent sound Rich in details
Class A power amplifier is an ideal choice for spreading music. It can provide a very smooth sound quality, a round and warm tone, and a cold and ethereal treble. Class A power amplifier has the advantage of fullness and transparency,and it is to bias the square at half of the maximum output power, so that the power amplifier is in full load working state when there is no signal input, so that the power amplifier is turned on and has current output during the entire signal cycle. The Class A power amplifier makes the transistor always work in the linear region, so the Class A power amplifier has almost no distortion, and the quality of the hearing is particularly good, especially when the signal issmall, the whole sound is transparent and rich in details.
Use high- quality components:
1.The front stage adopts parallel stabilized power supply
2.Low distortion, high precision, Volume control chip PGA2311
3.Imported Porcupine Power Transformer 4.High quality audio socket imported from Japan
Powerful driving force:
Adapt to most speakers on the market, Powerful driving force, proper magnification and precise volume control make A1 can match most of the desktop small bookshelf boxes and most of the earphones and earplugs on the market, and adjust (for specific gameplay, please scan the code and refer to the official account article to Satisfactory timbre.
Output: Speaker terminal (banana head) Headphone holder
THD+N: 0.01 %(4Ω)
Channel separation: 105dB
Output Power: 15Wx2(4Ω)
Power consumption: 30W
Standby power: <0.5W
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