0:25
Variable transformer - metal - electrical - large dial - turning - quick - segmented - high pitch frequency.
0:46
Variable transformer - metal - electrical - large dial - turning - clicking - high pitch frequency.
0:05
Variable transformer - metal - electrical - large dial - turning - clicking - high pitch frequency - slow ...
1:16
Variable transformer - metal - electrical - large dial - turning - clicking - high pitch frequency - slow ...
0:04
Radio - analog - static.
0:04
Radio - analog - frequency sweeping 3.
0:05
Radio - analog - frequency sweeping 2.
0:04
Radio - analog - frequency sweeping 1.
2:02
EMF buzzing magnetic field tone from a Space Echo transformer - sustained electrical hum on and off 2.
2:01
EMF buzzing magnetic field tone from a Space Echo transformer - sustained electrical hum on and off 1.
1:06
EMF buzzing magnetic field tone from a Samsung OLED television - sustained data - idle 2.
4:48
EMF buzzing magnetic field tone from a London underground train - power up and down - motor idle 4.
2:08
EMF buzzing magnetic field tone from a London underground train - power up and down - motor idle 3.
1:37
EMF buzzing magnetic field tone from a London underground train - power up and down - motor idle 2.
4:52
EMF buzzing magnetic field tone from a London passenger train - electromechanical intense power rumble - thin.
0:59
EMF buzzing magnetic field tone from a Sony Lithium fast charge battery charger - sustained rumble 2.
1:03
EMF buzzing magnetic field tone from a Sony Lithium fast charge battery charger - sustained rumble 1.
1:11
EMF buzzing magnetic field tone from a Digital billboard backlit led display bus stop screen ...
1:15
EMF buzzing magnetic field tone from a Digital billboard backlit led display bus stop screen ...
1:05
EMF buzzing magnetic field tone from a Digital billboard backlit led display bus stop screen ...