In article ,
Clive Arthur wrote:
On 13/04/2019 14:53, Dave Plowman (News) wrote:
snip

Both amp and crossover are fully enclosed in ally cases. Putting a
hand near then from any direction gets rid of the buzz. I'm thinking
to do with body capacitance. Somehow.

Are these cases grounded?

Yes.

--
*Santa Claus has the right idea. Visit people only once a year.

Dave Plowman London SW
To e-mail, change noise into sound.