Electric transformer: Listen & Download Electric transformer .mp3 Error! Change your browser, please! ⇓ Download Jacob’s ladder, Electric discharges ⚠ Low frequency rumble ⚠ Electric sparks ⚠ Wall switch ⚠ Multichannel switch ⚠ Movement, Low frequency electric drone ⚠ Start up, shutdown,, Electronic energy ⚠ Electric transformer ⚠ Low Frequency Electric Drone ⚠ Button click ⚠ Small electric motor ⚠ Switch ⚠ ★★★★★