0:30
Electromagnetic humming.
0:16
High voltage electricity wavering (12).
0:12
High voltage electricity wavering (11).
0:12
High voltage electricity wavering (10).
0:12
High voltage electricity wavering (9).
0:14
High voltage electricity wavering (8).
0:07
High voltage electricity wavering (7).
0:08
High voltage electricity wavering (6).
0:10
High voltage electricity wavering (5).
0:04
High voltage electricity wavering (4).
0:18
High voltage electricity wavering (3).
0:10
High voltage electricity wavering (2).
0:10
High voltage electricity wavering (1).
0:02
Light digital end call (3).
0:02
Light digital end call (2).
0:02
Light digital end call (1).
2:30
Small technology room tone (3).