VPA-400

VPA-400 (MED)

Item Number: 2340100007

Power Amplifier 400 W

  • 400 W power amplifier in a 19" rack housing
  • 100 V and 8 ohm output
  • Dual inputs with priority switching
  • Temperature controlled, forced back-to-front ventilation
  • 115/230 VAC mains and 24 VDC battery backup
  • Pilot tone signal path supervision
  • 24 VDC / 800 mA power output for external equipment
  • Chime signal with on/off switch
  •  
  • For use in MED certified Cabinets

The  VPA power amplifier is originally designed for use on ships, which means it is very robust and can handle mobile environments as well as stationary temperature controlled rooms. The amplifier has to be installed in 19" rack and occupies 3 HU with addition of a 1 HU ventilation grid.

The amplifier is protected against overload and short circuits. A temperature controlled fan ensures high reliability at high output level and low ventilation noise at lower output levels.

The amplifier operates on 115/230 VAC mains with option for automatic switching to 24 VDC battery backup in case of power failure. The amplifier is supervised by a pilot tone to continuously check the signal path, and a fault will be reported by an indicator in front combined with a closing contact for external fault warning.

The amplifier has a built in selectable chime generator activated by a priority switch to give an alert signal before the announcement.

General
Colour Black
Dimensions (W x H x D ) 482 x 133 x 420 mm
Weight 27,4 kg
Power supply 115/230 VAC ±10%, 50/60 Hz, 1242 VA, 24 VDC ± 25% - max 28 A
Operating temperature -15 - +55°C
Relative humidity < 95%
Rated load 400 W - 100 V, 8 ohm
Power calculation acc. EN50695 (230/110/24) 318 / 295 / 282 W @1 kHz for 30 min.
Frequency response 125 Hz – 20 kHz ±3 dB
THD < 1% @ 1 kHz, 30 min.
SNR 68 dB, A-weighted
Line input 1 V ±50% in 47 kOhm, balanced
Connector 3-pin XLR
Tested according to EN 60945, IACS E10, IEC 60533, EN 50695
Connections Screw terminals
LED indicators VU-meter, Mains power on, Overload, Fault warning
Controls Level controls for Call and BGM inputs, Master volume, Tone adjustment, Chime on/off and volume adjustment, Monitor volume
Environmental Condition Protected

VPA-400

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