Good News!
After placing 5 Perfect Path Technology E-cards near power cords,
the sibilance subdued substantially.
This could be the way to combine the better focus by bell with natural sound by E-card.
The only problem is that E-card is much more expensive(300$) than bells.
https://www.audiogon.com/listings/lis960c4-perfect-path-technologies-alpha-e-card-much-anticipated-h...
.
I will experiment it further.
After placing 5 Perfect Path Technology E-cards near power cords,
the sibilance subdued substantially.
This could be the way to combine the better focus by bell with natural sound by E-card.
The only problem is that E-card is much more expensive(300$) than bells.
https://www.audiogon.com/listings/lis960c4-perfect-path-technologies-alpha-e-card-much-anticipated-h...
.
I will experiment it further.