PVA-2P500

PVA-2P500

Bosch PVA-2P500 2 x 500 W class-D power amplifier (70/100 V output), Low power consumption in standby mode, Excellent sound quality, high signal-to-noise ratio, Rated load impedance (output power): 100V: 20Ω (500W); 70V: 10Ω (500W), Excellent sound quality, high signal-to-noise ratio, EN 54-16 system certification.

The PVA-2P500 class-D amplifier is a 2 x 500 W audio amplifier for evacuation purposes. It can be operated from both the mains and a DC supply. The output voltage is galvanically insulated and is constantly monitored for ground fault. An energy saving mode and temperature-controlled fans reduce energy consumption and noise levels. The control and monitoring functions are performed via CAN bus. This amplifier is designed for operation in an emergency evacuation system. The amplifiers are usually controlled via a controller and configured using IRIS-Net.

The power amplifier has the following features:

• Floating 100 V or 70 V power outputs.

• High efficient amplifier blocks in class-D technology.

• Outputs idling and short circuit-protected.

• Mains operation 120-240 V (50/60 Hz) and/or 24 V DC emergency backup.

• Electronically balanced inputs.

• Temperature monitoring function.

• Processor control of all functions.

• Monitoring of the processor system via watchdog circuit.

• Non-volatile FLASH memory for configuration data.

• Internal monitoring function.

• Integrated audio relays.

• Line monitoring function.

• Pilot tone and ground fault monitoring function via PVA‑4CR12 controller or PVA‑4R24 router.

Technical Specification

Electrical

Rated load impedance (output power)

100 V

20 Ω (500 W)

70 V

10 Ω (500 W)

Rated output power, 1 kHz, THD 1%

2 x 500 W1

Rated input voltage

+6 dBu

Max. RMS voltage swing, 1 kHz, THD 1%, without load

100 V

110 V

70 V

78 V

Voltage gain, ref. 1 kHz, fixed

70 V

33.2 dB

100 V

36.2 dB

Maximum load capacitance

2 µF

Input level, max.

+18 dBu (9.75 Vrms)

Frequency response, ref. 1 kHz, rated load, -3 dB

50 Hz to 25 kHz

Input impedance, active balanced

20 kΩ

Signal-to-noise ratio (A-weighted)

> 104 dB

Output noise (A-weighted)

< -62 dBu

Crosstalk, ref. 1 kHz

< -85 dB

 

Output stage topology

Class-D, transformer, floating

 

Power requirements

 

Power supply

Mains: 115-240 VAC ±10%, 50/60 Hz2

Battery: 21-32 VDC

 

Power consumption

Pmax - 3dB * / idle **/ Standby 230VAC, 50Hz: 700W / 21W / 1.9W

120VAC, 60Hz: 745W / 18W / 1.5W

24VDC, 60Hz: 735W / 16W / 1.5W

* Alarm, ** No audio (pilot tone)

 

Inrush current

2A

 

Inrush current, after five-second power cycle

1.3A

 

Main Fuse

T6.3A (internally)

 

DC Fuse

30A (internally)

 

Ground Fault

R < 50 kΩ

 

CAN BUS port

2 x RJ-45, 10 to 500 kbit/s

 

Protection

Audio input level limiter, RMS output power limiter, high temperature, DC, short circuit,

 

Cooling

Front-to-rear, temperature- controlled fans

 

Environmental

 

Operating temperature

-5 °C to +45 °C (+23 °F to +113 °F)

 

Storage temperature

-40 °C to +70 °C (-40 °F to +158 °F)

 

Humidity (non-condensing)

5% to 90%

 

Altitude

Up to 2000 m

 

Mechanical

 

Dimensions (HxWxD)

88 mm x 483 mm x 375 mm (2RU)

 

Weight (net)

16.5 kg

 

Mounting

Standalone; 19 in. rack

 

Color

Black with silver

 

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