Furman P-1800 AR True RMS 120V Voltage RegulatorFurman P 1800 AR True RMS 120V Voltage RegulatorThe 15 Amp P 1800 AR delivers a stable 120 volts of AC power to protect equipment from problems caused by AC line voltage irregularities such as sags, brownouts, or overvoltages all of which can cause sensitive electronic equipment to malfunction or sustain damage. The P 1800 AR accepts input voltages over a wide AC voltage range and transforms it to a constant output of 120V, 5V. Voltages beyond that