250W Public Address (PA) Power Amplifier A4380A

SKU: 9321758235249


This range of booster amplifiers are ideal for installations requiring high power zone amplifiers. Simply choose a power rating according to the wattage required for each zone. These high power models are ideal for use in shopping centres, pedestrian precincts, public transport facilities and convention centres. All models operate on 240V AC and 24V DC for battery backup operation. Input is via 3 pin balanced XLR (1V). Level control is rear mounted to prevent tampering or accidental adjustment.

The circuit design includes protection features in case of output over voltage, over current and over temperature conditions. All are self resetting once the fault condition has been removed. Visual indication via front panel LEDs show amplifier status at all times. On demand fan cooling ensures reliable operation at all times. A dedicated nominal 24V dc 1A output is provided on the rear to power ancillary devices. This amplifier is supplied with rack ears.

Power: 250 Watt RMS
Distortion: < 0.5%, @ 1kHz
Frequency response: 50Hz - 15kHz, -3dB
Output line: 100V, 70V, or 4 - 16Ω
Signal to noise ratio: (peak limiting by-passed) > 90 dB
Line output: 600Ω balanced, 0dBV, 3 pin XLR
Input Impedance: ~10KΩ
Speaker Connection: Screw terminals
24V DC Output: Screw terminals
Inputs: 3 pin XLR (1V)
24V-30V DC power: Screw terminals
240V AC power: IEC power connector
Indicators: Mains, 24V DC, Power, Signal presence, Over temp, Over current, Shut down, Peak limiting
Current draw: 250mA Standby, 17A Full @ 24V DC
Protection: 7.5A AC and 20A DC fuse
Power supply: 240V AC or 24V DC (nominal)
Dimensions: 483W x 340D x 88 mm
Weight: 14kg

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