I used to be able to purchase commercial grade Sola brand voltage regulators rated for 120 volts / 500 watts continuous ( enough for ALL your line level components ) for less than $300 including shipping. If i remember correctly, i think that these units weigh appr 65 - 85 lbs. I can't seem to remember where this was from though, so i can't verify availability at this point in time. I will do further research on this and ( hopefully ) post some results within the next 48 hours. Keep in mind that this is not some type of device that you plug into the wall, as it would work best with a direct run to your breaker box. Sean
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