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

Power amplifier: front stage, rear stage, pure rear stage, combined typeFor power amplifiers, there is a concept of pre-amplifier, post-amplifier, pure post-amplifier, combined type, etc. Many people can't tell the type of front and back stage power amplifiers, and don't know which one

Small knowledge of front and rear amplifiersMany beginners do not 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: "preamplifier".It is the par

What is a pre-amplifier and what is a post-amplifierWhat is an amplifier?Amplifiers, to be precise, are receivers and loudspeakers. English is Receiver, which means to receive audio and video signals and process them to obtain better audio and video effects and output them to video equipment (TV, pr