These can be tough issues to trouble shoot. The above posters offer some
good suggestions. Sometimes you gotta move (...yeah I know)
One question...is the phono stage next to a window? That may
"leak" RFI more so than a wall...
You might try something like this...several vendors have versions of this:
http://www.newark.com/ferrishield/sf005pcn-ca/emi-rfi-shielding-fabric-
82db/dp/02M1762
I just googled rfi shielding ... here's a rfi tent ;)
http://www.fine-silver-productsnet.com/70te24inx24i.html
good suggestions. Sometimes you gotta move (...yeah I know)
One question...is the phono stage next to a window? That may
"leak" RFI more so than a wall...
You might try something like this...several vendors have versions of this:
http://www.newark.com/ferrishield/sf005pcn-ca/emi-rfi-shielding-fabric-
82db/dp/02M1762
I just googled rfi shielding ... here's a rfi tent ;)
http://www.fine-silver-productsnet.com/70te24inx24i.html