IMHO,
OneAc hospital grade line conditioner. You can find them less than $200 (12Amp or higher recommended) used. PowerVar is a cheaper alternative. Both worked better than the Richard Grey unit I had ( In terms of dynamic, pace and sound stage ) for less than half of the price in used market. I also had PS Audio PS 300 and they sounded very clean (and square ) and that's about it.
OneAc hospital grade line conditioner. You can find them less than $200 (12Amp or higher recommended) used. PowerVar is a cheaper alternative. Both worked better than the Richard Grey unit I had ( In terms of dynamic, pace and sound stage ) for less than half of the price in used market. I also had PS Audio PS 300 and they sounded very clean (and square ) and that's about it.