Idea to reduce RFI


I live 1 block from the main mobile communication tower. That my speakers has pickup some radio channel though its only audible with my ear next to the speaker.

i am looking for any idea to reduce this kind of RFI. how bout an ferrite core? ERS paper? shield interconnect? shield power cable? which is most effective way as read somewhere in the forum that shield PC for amp causes dead sound?

line conditioner or iso transformer help with RFI or they only good to clean up power?

i have all ungrounded cdp , pre and amp. would shielding PC help with floating ground units to reduce RFI?

my system:
cdp cyrus 8x with psr (no ground from unit)
pre amc cvt 1030 (no ground from unit)
amp amc cvt 2100 (no ground from unit)
cd buffer yaqin 6j1
belden diy PC
lessloss PC
few diy shielded and unshielded PC
audio art ic-3
gabriel gold Rev
kci silkworm
xindak fs gold
spendor s 3/5
porter port outlet on the way

thanks in advance
milen007

Showing 4 responses by milen007

Thanks for all the replies

Elizabeth, how to reroute the particular offending wire? how to locate one? by changing to diff cable?

Musicslug, no its not visible. havent tried rotating. but my room does not permit it. has doors on left and right.

Mingles, no i havent. which brand do you suggest? budget maybe $1000 or less. will $2000 one makes substantial diff from $1000?

thx
i change some IC and it solve the radio frequency pickup. thx guys.

Any idea on reducing the noise floor further? i read bout dedicated lines but not practical for the at the moment.
Spencer, if power conditioners suck the life out of most amps, how bout isolation transformer?

Kirkus, thanks for the thorough explanation, thats really helps. I did change to better IC, it did eliminate the radio frequency, but hum still present. maybe its caused by my tube preamp.

anyone try bybee? does it helps?
Tigerclose, mind share how the active shield is conducted? how you actually connect the 0.22uF cap? any schematic or wiring diagram? thx in adv