Precision-power PCX 250 Bedienungsanleitung PDF herunterladen (Seite 8)

1. Cooling Plenums: Maintain a minimum 2” clearance around cooling plenums

for proper amplifier cooling.

2. QBASS™ Control: Add more bass to the system by turning this control clock-

wise to boost the selected QBASS™ frequency up to 18dB.

3. QBASS™ Remote Port: Port to plug in the optional QBASS Plus™ Remote

knob.

4. Power & Ground Connections: After connecting the power and ground

cables to the PowerLock™ wire connector, plug it in here.

5. Power Indicator: A green light indicates that the amplifier power is ON.

To manage the additional heat associated with higher output capability, a thermally

controlled fan has been designed into the PCX 280. When the heatsink temperature

reaches a pre-determined value, the fan is activated and cool air is drawn in

through the lower intake vents on the endplate. This cool air flows below the circuit

board, through the fan and across the internal fins, cooling the heatsink. T h e

warm air is then forced out through the upper endplate exhaust vents.

The New! PCX™ amplifiers mass has been increased by 2 lbs. per linear foot

over last year’s P O W E R C L A S S ™ amplifiers, resulting in far superior heat

dissipation. The unique heatsink on your PCX™ amplifier has been designed with

fins on the inside of the aluminum extrusion. This allows for the transfer of heat

from the circuitry to the heatsink fins and out through the vents in the endplates.

Be sure you have ample space around the amplifier for cooling; at least 2" on all

sides.

PCX 280 Power Panel

PCX 250 Power Panel

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Precision-power PCX 250 Bedienungsanleitung Seite 8