Energy sound effects

Pulsating force field

4120 1117

Inside the spaceship (2)

4508 1275

Inside the spaceship, the noise

3534 1096

Inside the spaceship, sensors

4202 1266

Power off, drop or power down (power down)

5166 1358

Converter (current converter, transformer)

762 15

Industrial electric motor: a constant buzzing

487 11