[sdiy] Mains interference

[Tristan]

Hi Tony,

It sounds like you might have a bad earth or some other electrical wiring problem. Having the 
connections covered in tape does not sound encouraging. I suggest getting your wiring checked by 
an electrician.

Regards,
Tristan

On Thu, Mar 27th, 2014 at 9:34 PM, Oakley Sound <oakleylist at btinternet.com> wrote:

> OK, this isn't specifically to do with Synth-DIY but it shows itself on 
> my music gear more than on other things so I thought I'd ask.
> 
> What is it about certain properties that make audio gear within that 
> property more susceptible to clicks and pops from other electrical items 
> in the same property?
> 
> Since moving house some seven years ago I've noticed far more clicks and 
> pops from fridges and central heating systems than any other house I've 
> had. Now I have three socket ring mains around the house, but all three 
> show the same problem. For example, in my office/workshop the soldering 
> iron's thermostat will trigger the scope and produce a burst of signal 
> on anything the probe is connected to. It will also produce an audible 
> click on the computer's audio output. In my little music corner, 
> switching a active monitor off will make the USB midi interface lose 
> connection with the connected computer, cause another computer in 
> another room to crash, and produce pops on the living room hi-fi.
> 
> Now I live in the middle of nowhere and the transformer sub-station is 
> up a pole just six metres from my back garden fence. The single phase 
> cables then travel overhead for about 30m to a pole in my front garden 
> and then via underground cable to the house. The earth connection 
> appears to be made from the neutral feed prior the 100A fuse - but it's 
> difficult to tell for sure since it's all covered in tape. The rest of 
> the hamlet share the same 240V electricity supply but the clicks and 
> pops seem to be related to stuff in my house only.
> 
> Any pointers you can give would be very much appreciated.
> 
> Tony
> 
> www.oakleysound.com
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