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05
2020-12

Reflection and reverberation time in music acoustics

1. Sound absorption of surfaceWhen sound is projected onto a solid obstacle, most of the sound energy will be reflected by the surface of the obstacle; a small part will be absorbed by the obstacle...

2020-12-05

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05
2020-12

The choice of audio power amplifier

Power amplifier usually consists of three parts: preamplifier, driver amplifier and final power amplifier.1. The preamplifier plays a matching role, its input impedance is high (not less than 10k...

2020-12-05

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