Questions about vintage sound #1 -- We answered the 10 most frequently asked questions

Links to parts of the video
Brief explanation of these answers 1:10
1 - What microphone do you use to test the speakers?
2 - Is it worth using an equalizer? Will it improve my sound quality? 5:08
3 - What do you think of the electronic equalizers in current devices? 8:25
4 - Is a ceramic capsule good? Does it have any advantages over the magnetic capsule? 10:09
5 - Do you like home theater receivers to listen to music? 14:00
6 - Is the sound of vinyl really better? How does it compare to CD or Streaming sound? 17:50
7 - Would you have contact information for someone who restores speakers in the city of São Paulo? 22:44
8 - Are 3-way boxes better than 2-way boxes? 22:56
9 - Are 12 decibels crosovers per octave better than those with 6 decibels per octave? 30:00
10 - Can class D amplifiers be considered high-fidelity? Are they worse than class A and class AB? 37:28