Audio debugging course

Do you also like to listen to vacuum tube speakers? The pleasant sound it produces comes from the vacuum tube circuit, and many factors are taken into consideration to achieve such a pleasant sound quality. The author will share with us his experience in self-study of vacuum tube circuit technology,

Why tube amplifiers don’t deserve to be called “hi-fi” audio equipment?What should I do if the final sound of the amplifier is unpleasant?Use tubes for the preamp!Once a power amplifier uses vacuum tubes, it basically falls out of the category of "highly faithful audio"!Don't jump, grab the ground w

The basic composition of the listening system and the selection of amplifiers and speakersFirst, let’s talk about the composition of a complete system. Simply put, it can basically consist of the following three parts:Audio source, amplifier, speakers.Sound source:Regardless of digital or analog sig

How powerful should the audio amplifier be?In a sound system, using a power amplifier properly is not as simple as you think. It is really necessary to discuss it.1. What power amplifier should be used? Generally, before choosing a power amplifier, the first problem you e

1. SURROUND decoding virtual surround sound technology and chipQsurround is currently a relatively new set of sound processing systems that can perform sound field processing on ordinary discs (stereo) and simulate Dolby surround sound effects, which is suitable for all sound sources.2. Dolby AC-3 s

What are stereo and surround soundCar owners often complain that after changing the speakers, they cannot hear surround sound in the car, or there is no stereoscopic effect. After further communication, you will find that many car enthusiasts have no basic concep

How is the tone of the tube amplifier formed? Many enthusiasts like the sound of tube amps (also called vacuum tube amplifiers): warm and mellow, not unpleasant, not shocking, and soothing. People call this taste the smell of bile. The author has been playing with tube amps for decades and has

What is stereo audio? What is the difference between mono and surround sound?Stereo audio has been the dominant format for analog or digital audio in the music industry for decades. It's a relatively simple format that does a good job of simulating the way we naturally hear the world around us, and