[sdiy] In the Dark

[Genie Murasaki]

Hi Amos, 

Thanks much for your thorough advice! I would get very clear image with 
these conversations. I'll try out EL illuminated panel in the future and 
post the result here. 

Cheers, 

genie
http://netsynth.org/ 

Amos writes: 

> high-voltage inverter must be placed carefully to avoid audio interference.
> Usually the inverter puts out an EM field that is stronger along one axis
> than the others, so spacial orientation as well as distance from audio lines
> is important. You can get a rough idea without special equipment by waving
> an ungrounded scope probe around the inverter when it is running.
> Actually as long as audio lines are shielded/grounded then most of the
> problem is solved. One possible solution for a modular system would be to
> locate the inverter remotely in the main cabinet PSU section, with a supply
> line running to the EL panel on the module in question. I am assuming that
> PSU layout in modular cabinets is already intended to minimise power/audio
> interference.