0:15
Raw tone is fed into faulty or worn out speaker playing 20 hertz triangle wave at volume sweep, slow.
0:08
Raw tone is fed into faulty or worn out speaker playing 20 hertz triangle wave at volume sweep, medium.
0:03
Raw tone is fed into faulty or worn out speaker playing 20 hertz triangle wave at volume sweep, fast.
0:21
Raw tone is fed into faulty or worn out speaker playing 20 hertz triangle wave, constant at volume 2.
0:20
Raw tone is fed into faulty or worn out speaker playing 20 hertz triangle wave, constant at volume 1.
0:04
Raw tone is fed into faulty or worn out speaker playing 20 hertz sine wave at volume sweep, medium.
0:23
Raw tone is fed into faulty or worn out speaker playing 20 hertz sine wave, constant at volume 3.
1:00
LFE test tone oscillator, 20hz ,60 seconds, 12db