This time, i will answer the following questions and opinions. At the end, i will publish the answer to the discrimination question.
**Related Video**
https://youtu.be/WEqdjQHVEFI
https://youtu.be/lxCz6tWancU
**Table of Contents**
00:00 Intro
00:26 Q&A
・Does the capacitance of the cable affect the sound quality?
・What is the original sound, a good sound?
・Does the sound of an amplifier improve when it is turned on and warmed up?
・Does connecting a synth or electric guitar to an audio device damage it?
・Why is the background music Happy Birthday?
・What is the best system for enjoying high-quality music outside?
・Why did you use an AV amplifier?
・Anyone can hear the difference in sound between solid wire and twisted wire by listening to them. I used to design amplifiers. Even a single part can change the sound.
・Is bi-amping useful?
・Between transistor and FET amplifiers, FET amplifiers have a warmer sound.
・Is it wrong to use tone controls and equalizers to compensate for the bass of small speakers?
・Do expensive small speakers not produce bass?
・Is there a difference in sound quality between USB memory and wireless?
・Isn't it easy to use the automatic sound field correction function for room acoustics?
・With the B&W 800 series, music spreads above and outside the speakers.
・I can't hear above 20K, but there is a hypersonic effect.
・Is a center speaker not necessary?
・How can I get 109db sound without disturbing my neighbors?
・What determines the sound quality of a DAC?
・How about WBT's RCA terminals?
・Does a power supply that creates a clean sine wave have an effect on improving sound quality?
・How do I determine the crossover between the speaker and subwoofer?
・Why does the low and high frequencies rise when the DF is lowered?
14:07 Answers to the listening questions
・Aiming for the ultimate with Daihatsu genuine speaker + Chinese tweeter https://youtu.be/tnqgmWoKHKc
・Can you hear "good sound" with a vacuum tube amplifier? https://youtu.be/HsBoLoehpP8
・Results of a blind test of a vacuum tube amplifier announced https://youtu.be/oxE2i_8EoCQ
・The relationship between speaker efficiency and sound quality https://youtu.be/43I_JcifrBE
・Regret about the soundbar? How to improve the sound of your TV (Part 2) https://youtu.be/k40d-XRNwe8
・Modify a 300 yen speaker from Daiso to make it perform at 100% of its potential https://youtu.be/aDosA6N-4UM
#AudioLesson