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2 | PRS‑xPxxx and LBB 4428/00 Power Amplifiers
Interconnections
• Mains input
• Battery backup input
• Two system network connections
• Two mic/line inputs (four for LBB 4428/00)
• Selectable 100 V, 70 V or 50 V outputs (per channel)
• Fixed 50 V output
• Eight programmable control inputs
• Control output (for each amplifier channel)
• Headphone output
• Spare amplifier connection (for each amplifier
channel)
Certifications and approvals
Safety
acc. to IEC 60065 / EN 60065
Immunity
acc. to EN 55103‑2 / EN 50130‑4 /
EN 50121‑4
Emissions
acc. to EN 55103-1 / FCC-47 part 15B
Emergency
acc. to EN 60849 / EN 54‑16 /
ISO 7240‑16
Maritime
acc. to IEC 60945
Region
Certification
Europe
CPD
CPD
_V3.6_&_V4.0
Installation/configuration notes
9
1
10
2
3
11
12
1
Audio inputs, 2 x or 4 x
2
Control inputs
3
Plastic optical fiber network
4
Loudspeaker outputs, 1 x, 2 x, 4 x, 8 x
5
Spare amplifier input
6
Control outputs, 1 x, 2 x, 4 x, 8 x
7
Mains input
8
48 V backup supply
9
Display and control
10
Network processor and DSP
11
Network redundancy switching
12
Power supply
Block diagram
Parts included
Quantit
y
1
1
1
1
1
Technical specifications
Electrical
Mains power supply
Voltage
PRS‑xPxxx
LBB 4428/00
Power consumption
4
PRS‑1P500
5
PRS‑2P250
PRS‑4P125
6
LBB 4428/00
Battery power supply
Voltage
7
Power consumption
8
PRS‑1P500
PRS‑2P250
PRS‑4P125
LBB 4428/00
Component
PRS‑xPxxx or LBB 4428/00 Power Amplifier
Power cord
Set of mounting brackets (large) for 19" rack
Set of feet
Set of connectors
115 / 230 VAC ±10%, 50/60 Hz
100 to 240 VAC ±10%, 50/60 Hz
Pmax -3 dB* / idle** / standby
350 / 50 / 20 W
350 / 53 / 21 W
350 / 66 / 23 W
430 / 90 / 32 W
* Alarm tone level
** With pilot tone 15 V
48 VDC -10% to +20%
Pmax -3 dB* / idle** / standby
330 / 40 / 10 W
330 / 43 / 11 W
330 / 56 / 13 W
400 / 65 / 22 W
* Alarm tone level
** With pilot tone 15 V
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