Bosch PRAESENSA Installation Manual page 80

80 en | *Amplifier, 600W 4-channel | PRA-AD604
Power transfer
Active mode, low power
Active mode, rated power
Per active port
Heat loss (including power supply)
Active mode, idle
Active mode, low power
Active mode, full power
Supervision
End‑of‑Line detection mode
Power supply input A/B
Ground short detection (loudspeaker lines)
Amplifier channel redundancy switching
Amplifier channel load
Loudspeaker line redundancy switching
Controller continuity
Temperature
Fan
Network interface
Network interface
Ethernet
Protocol
Redundancy
Audio/control protocol
Network audio latency
Audio data encryption
Control data security
Ports
Environmental
Climatic conditions
Temperature
Operating
Storage and transport
Humidity (non condensing)
2019.11 | V1.00 | Installation manual
52 W
220 W
0.4 W
140 kJ/h (133 Btu/h)
230 kJ/h (218 Btu/h)
360 kJ/h (341 Btu/h)
Pilot tone
25.5 kHz, 3 VRMS
Undervoltage
< 50 kohm
Internal spare channel
Short circuit
A/B group, Class‑A loop
Watchdog
Overheat
Rotation speed
Link presence
100BASE‑TX,
1000BASE‑T
TCP/IP
RSTP
OMNEO
10 ms
AES128
TLS
2
-5 to +50 °C
(23 to 122 °F)
-30 to +70 °C
(-22 to 158 °F)
5 to 95 %
Bosch Security Systems B.V.
PRAESENSA