Testing & Measuring Equipments category

Is 20 Hertz sound very loud?

AT Atomamicah asked on 27 December 2019, 23:47
1 answers / 5 votes / 723 views

How do you calculate hertz?

JA Jarikurkaa asked on 23 February 2020, 17:10
1 answers / 8 votes / 644 views