The Shakti Stones are around $200 a piece. You can order them direct here:
Shakti
They show up used here for about $125 or so. Usually get snatched up fast. Must be a lot of us nearly insane types around here.
The CBF's are $25 a piece. You can order them direct here:
Alan Maher Designs
Each product reduces the noise floor, but does so in different ways. The CBF is actually better IMO because it is more compact and can fit inside components or the breaker panel. In either case only way to find out if it works is by trying them out.
Shakti
They show up used here for about $125 or so. Usually get snatched up fast. Must be a lot of us nearly insane types around here.
The CBF's are $25 a piece. You can order them direct here:
Alan Maher Designs
Each product reduces the noise floor, but does so in different ways. The CBF is actually better IMO because it is more compact and can fit inside components or the breaker panel. In either case only way to find out if it works is by trying them out.