Communications Systems | PAVIRO Amplifier
PAVIRO Amplifier
www.boschsecurity.com
u 2 ✕ 500 Watt class D amplifier
u Low power consumption in standby mode (3 Watt)
u Local input per channel
The PVA-2P500 class-D amplifier is a 2 ✕ 500 W
professional 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 energysaving 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 IRISNet.
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
• Pilot tone and ground fault monitoring function via
PVA-4CR12 controller or PVA-4R24 router
• 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
u Excellent sound quality > 104 dB s/n ratio
The power amplifier is processor-controlled and
equipped with extensive monitoring functions. Line
monitoring for the CAN bus and for audio transmission
allows line interruptions and short-circuits to be
detected and indicated to the user.
System overview
1 Signal clip indicator light
2 General fault warning indicator light
3 Recessed button
4 Ground fault indicator light
5 Audio signal indicator light
6 Network indicator light
7 Standby indicator light
8 Power indicator light
2 | PAVIRO Amplifier
Rated input voltage +6 dBu
Max. RMS voltage swing, 1 kHz, THD ≤ 1%, without load
• 100 V 110 V
• 70 V 78 V
1 AC power input and power switch
2 Grounding screw
3 DC power input
4 CAN BUS port
5 CAN ADDRESS selector switch
6 LINE IN 1-4 audio input sockets (RJ-45)
7 LINE IN 1 or 2 audio input sockets (Euroblock, balanced
signal)
8 Amplifier power output sockets (70 V or 100 V)
Certifications and approvals
• EN 50130-4
• EN 50581
• EN 55103-1/2
• EN 61000-3-2/3
• EN 61000-6-3
• IEC 60065
• EN 60945
Parts included
QuantityComponent
1 PVA-2P500
1 Power cord 230 V AC
1 Power cord 120 V AC
1 Euroblock connector 2-pole (Phoenix, PC 5/2-STF-7,62,
1975697, F.01U.108.398) for 24 V DC
2 Euroblock connector 3-pole (Phoenix, MC 1,5/3-STF-3,81,
Nr. 1827716, F.01U.104.680) for audio input
2 Euroblock connector 6-pole (Phoenix, MC 1,5/6-ST-3,81,
1827745, F.01U.104.179) for audio outputs
4 Foot stand (self-adhesive)
1 Operation manual
1 Important safety instructions
Technical specifications
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 ✕ 500 W
1
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 V
Frequency response, ref. 1 kHz,
50 Hz to 25 kHz
)
rms
rated load, -3 dB
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
• AC 115–240 V (-10/+10%)
2
• DC 21‑32 V
Power consumption, AC and DC See section “Power
consumption” in operation
manual
Inrush current 2 A
Inrush current, after five-second
1.3 A
power cycle
Mains fuse T6.3A (internally)
DC fuse 30A (internally)
Ground fault R < 50 kΩ
CAN BUS port 2 ✕ RJ-45, 10 to 500 kbit/s
Protection Audio input level limiter, RMS
output power limiter, high
temperature, DC, short circuit,
mains undervoltage protection,
DC supply undervoltage
protection, inrush current
limiter, ground fault
Cooling Front-to-rear, temperature-
controlled fans
Operating temperature -5 °C to +45 °C
Safety class Class I
Electromagnetic environment E1, E2, E3
Product dimensions (Width ✕
Height ✕ Depth)
19”, 2 HU, 483 ✕ 88.2 ✕ 391
mm