On my second. Use it pretty much every day in the winter. It is effective, even on cd's.
The all conquering Zerostat
Since having purchased my one and only Zerostat over 30 years ago, I'm on my:
Third turntable
Third tonearm
Sixth cartridge
Sixth set of speakers
Sixth preamplifier
Sixth amplifier
Third tuner
Sixth CD player
along the way there has also been a tuner/preamp and two integrateds
Third turntable
Third tonearm
Sixth cartridge
Sixth set of speakers
Sixth preamplifier
Sixth amplifier
Third tuner
Sixth CD player
along the way there has also been a tuner/preamp and two integrateds