Meyer Sound Documentation

LEDs per channel

Two blue LEDs to indicate presence of output voltage

Two green LEDs to indicate load current status

Two red LEDs to indicate blown or open fuse

Fuse

Use only Meyer Sound PN 420.041 when replacing

Audio Input

Two XLR 3-pin female connectors OR one 6-pin male Phoenix connector (not summing to the XLR inputs)

One Link Switch. Sends signal from channel 1 input to both output channels

Channel Output

Two Phoenix 5-pin male connectors

Output Wiring

Two pins for DC power, three pins for balanced audio

Pin 1: 48 V DC - (chassis/earth ground)

Pin 2: 48 V DC +

Pin 3: Audio shield/chassis/earth ground

Pin 4: Audio -

Pin 5: Audio +

Output Voltage¹

48 V DC per channel

AC Connector

powerCON 20

Voltage Selection

Automatic

Safety Rated Voltage Range

100–240 V AC; 50–60 Hz; 220 W maximum

Idle Current

0.14 A (115 V AC, 60 Hz); 0.07 A (230 V AC, 50 Hz); 0.15 A rms (100 V AC, 60 Hz)

Dimensions²

1RU in height, 1/2 width rack mount

W: 8.5 in (216 mm) x H: 1.85 in (47 mm) x D: 8.62 in (219 mm)

Weight

4.4 lb (2 kg)

Rigging

M6 threads on sides and bottom to support mounting; optional MPS-482HP Wall Bracket for flat surface mounting; optional MPS-482HP 2RU Tray for mounting two MPS-482HPs in a standard 19‑inch wide, 2 RU rack slot

Operating Temperature

0° C to +45° C

Non-operating Temperature

-40° C to +75° C

Humidity

To 95% at 35° C

Operating Altitude

To 5,000 m (16,404 ft)

Non-operating Altitude

To 6,300 m (25,000 ft)

Shock

30 g 11 msec half-sine on each of 6 sides

Vibration

10–55 Hz (0.010 m peak-to-peak excursion)