Frequency response, impedance, sensitivity? Precautions for purchasing home theater speakersThere are many brands and models of speakers, and when purchasing home theater speakers, sometimes it is inevitable that there is no way to start. In addition to listening in person to understand the sound pe

The difference between pre-stage and post-stageMany friends don't understand the difference between the pre-amplifier and the post-amplifier. Today I will explain the difference between the pre-amplifier and the post-amplifier. The professional name of the preamplifier is: the pre

Influence of pre-amplifier on frequency divider and speaker(crossover, speaker crossover, bass crossover)There are a total of 17 series of speakers in Audio Note, and the AN-E/SPe He we introduce here is just one of them. The speakers used in the whole series are exactly the s

What is power amplifierA power amplifier is a machine that amplifies a small signal to drive a speaker to emit sound. In the field of home audio, it can usually be divided into a preamplifier, a power amplifier and an integrated amplifier.What is

How to understand pre-amplifier and pure post-amplifier1. ConceptThe preamplifier is generally a differential amplifier circuit or a common collector amplifier circuit. It mainly selects the differential mode signal that needs to be amplified from the signal, and it is generall

What are pre- and post-stages? What are the advantages and disadvantages of integrated and split amplifiers?What is the front and back stage circuit?Generally speaking, the operation of the audio system is that after the playback device decodes the audio source, it transmits the signal to the pre-st