Possible ac line static.

It is like a repetitive clicking , or ticking noise from my tweeter.
  Have heard before, I think it’s from our ac line. 

 Switched cables, preamps, etc, same sound.
i use Belden blue jean shielded cables pre to amps.
audio quest cables pre to cd.

 Even with preamp shut off, there is a slight ticking from tweeters.

makes me think it’s the ac line , poor power to house.

 Would a better power strip maybe get rid of the ac line ticking.
?

i only have the single outlet for my entire system. (2 receptacles)
one is for an older monster power strip w 8 receptacles.

have an older Furman, but only 6 receptacles on that older model.

 

No router, small comsuck 3x4 cable box.

basement has those gas filled long tube lights.

 Lights off, static still present.

cable tv  wire runs behind rack.

preamp b the issue?Aging B&K pro10mc mc?

Unplugged the hdmi from cable box, sound gone, I’ll just unplug the cable when listening. 
or will a betters(ielded hdmi work?

How I post 12 sec video of noise in here?