Getting Started with Audio: Power AmplifiersThe working principle of the power amplifier is actually very simple, which is to amplify various sound signals played by the audio source to drive the speaker to emit sound. From a technical point of view, the power amplifier is like a current modulator,

From a functional point of view, most of the current power amplifier products have the following functions Electronic crossover (Crossover): There are three options for this function setting: FULL—full tone; HP: high pass—only let the frequency above the crossover point (such as 80Hz) pass, this

How to see the technical data to choose the correct AV power amplifierIf you want to buy an AV power amplifier, when you start looking for it, you may look at a bunch of unfamiliar audio technology data like a bible, and have no clue about the numerous terminals on the rear panel of the power amplif

Tube Amplifier KnowledgeVacuum tubes, in most people's minds, were popular when Grandpa was young. Why did it become popular again? And I heard that the sound is great, and it is played by rich and tasteful enthusiasts. The above seems to be most people's impression of vacuum tube audio. Is it so di

Basic knowledge of HiFi amplifierFor a complete HiFi audio system, in addition to a pair of speakers you are satisfied with, the matching power amplifier is also essential. The power amplifier in the HiFi system is not only as simple as adjusting the volume and driving the speakers, but also has man

Take you to get started with tube amplifiers Amplifier ComparisonFeatures and StructureTransistor amplifiers work at low voltage and high current. The working voltage of the power amplifier stage is within tens of volts, and the current reaches several or tens of amps. In circuit design, direct-cou