jak obliczyć obudowę z basreflexem w programie winisd .- litraż - średnica otworu- długość tunelu

Hello, if you think Ssawek is doing a great job, you want to support me by buying me a coffee (a brewery) 😁😉😎😋 you can do it at any time. Just click this link and choose a small coffee, a large coffee, or whatever you want to buy me https://buycoffee.to/https:www.youtub...