For Sale: Furman M-8D Power Conditioner - excellent condition - always racked in my home studio. $60 Shipped CONUS PayPal FURMAN M-8D MERIT SERIES 8 OUTLET 15 AMP DIGITAL VOLT METER POWER CONDITIONER WITH SURGE PROTECTION CIRCUIT BREAKER LIGHT MODULE M-8D In addition to all the features of the M-8 and M-8L, the M-8D offers a laboratory precision digital meter that displays incoming voltage in 1-volt steps. The voltmeter’s accuracy is ±2 volts. The M-8D has a master switch for all outlets that glows red when the power is on. The front panel circuit breaker can be quickly and easily reset should the unit be overloaded. The M-8D also features 5.5 feet of 14 gauge heavy-duty power cable.