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This is an DDIRM😊
What creates the noise? And the different pitches of noise?
Idk. Sounds pretty creepy
Its the voltage inside of a device in the trains. The pitches and sound are created by the ammount of voltage the device is getting. You can hear the voltage going through the thing
Caused by the GTO Variable Frequency Drive, driving the traction motors
Mooi filmpje trouwens!
Eerste reactie XD
![CAMPปลิ้น | EP.83[1/2] เปิดแคมป์หลอนต้อนรับ 2 ตัวพ่อแห่งวงการผี!](http://i.ytimg.com/vi/2uPuHYHgwiI/mqdefault.jpg)
This is an DDIRM😊
What creates the noise? And the different pitches of noise?
Idk. Sounds pretty creepy
Its the voltage inside of a device in the trains. The pitches and sound are created by the ammount of voltage the device is getting. You can hear the voltage going through the thing
Caused by the GTO Variable Frequency Drive, driving the traction motors
Mooi filmpje trouwens!
Eerste reactie XD