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IP Based PA System

Overview

Installed in low voltage or sub-control room in the radio management area , built-in high-fidelity power amplifier, suitable for the hall, corridor, external and other areas of the program broadcast and local radio.

Specification

FEATURES

  • Standard 19 inch rack design, black aluminum panel, solid handle, professional mechanical assembly process, the appearance is very high-end.
  • Industrial grade 3.4-inch LCD display, it can clearly show the majority of dot pattern and machine work status; equipped with infrared remote control, on-demand all contents in server program library, can control the playback / pause, flexible and simple operation.
  • Using embedded computer and DSP audio processing technology, high-speed industrial-grade SCM system chip, start time is less than 1s.
  • Built-in 1 network hardware audio decoding module, support TCP / IP, UDP, IGMP (multicast protocol), to achieve network transmission 16-bit CD audio quality audio signal.
  • Built-in high-fidelity professional analog amplifier, with 60W / 120W / 240W / 350W / 500W constant resistance (4-16 Ω) and constant pressure (70V, 100V) power output.
  • 1 line (AUX) and 1 microphone (MIC) input interface, with independent volume and treble/bass adjustment potentiometer control, support broken
  • 1 channel EMC input interface, enter the emergency alarm voice signal is direct connection(Without switching), with the highest priority.
  • 2-channel audio signal auxiliary output interface, can extend to external connect power amplifier, the standard lotus seat interface, wiring connection is very convenient.
  • 1 channel three-wire system control override output interface, no need external override power. At the same time compatible with four-wire fire override, need to external 24V override power.
  • Built-in intelligent power management, when there is no music or call, it will automatically cut off the power amplifier, when there is signal, it will automatically turn on the power amplifier, support IP software programming pre-open power
  • Built-in 3 priority settings
  • EMC is the highest priority.
  • The network alarm signal is higher priority than MIC, AUX and network background music signals.
  • AUX and network background music for the same level, without any priority.
  • Support silence intensity preset decrease function, support background accompaniment preset function; support status light display, including level indicator, protection indicator, standby light and so on. Machine standby power is less than 3W, to meet the national environmental protection and energy saving certification standards.
  • Compatible with routers, switches, bridge gateway, Modem, Internet, 2G, 3G, 4G, multicast, unicast and any other network structure.
  • Digitalized products, easy expansion, not limited by geographical location, no need to increase the engine room management equipment, adopt a total network of free road construction design, easy to install.
SPECIFICATIONS  

Model

N-1877500

Network Interface

Standard RJ45 input

Transmission Rate

100Mbps

Support protocol

TCP/IP, UDP, IGMP (Multicast)

Audio Format

MP3

Audio Mode

16 bits CD sound quality

Sampling Frequency

8K~48KHz

EMC Input Sensitivity

775mV (Unbalance)

AUX Input Sensitivity

350mV (Unbalance)

MIC Input Sensitivity

5mV (Unbalance)

AUX output amplitude

1000mV 2 road lotus output interface

AUX output impedance

470Ω

Treble adjustment range

±10 dB

Bass adjustment range

±10 dB

Rated power

500W

Power Consumption

750W

Standby power consumption

< 3W

Frequency response

80Hz~16KHz +1/-3dB

Harmonic distortion

1%

SNR

> 65dB

Output method

4 ~ 16Ω constant resistance output, 70V / 100V constant pressure output

Circuit protection

DC output, overload, over temperature, short circuit protection

Working temperature

5°C ~ 40°C

Working environment humidity

20% - 80% relative humidity, No condensation

Input power

~220V 50Hz

Size

484 x 359 x 132mm

Weight

18Kg

Ordering Information

Part Number Description Standard Quantity

N-1877500

Adapter (Economic Rack Mount IP terminal with amplifier)

1

Downloads

Datasheet PDF 135.93KB DOWNLOAD

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Norden is one of its own kind manufacturer and supplier of the electrical and optical solutions of all kinds that have been tried and tested and cater to a wide spectrum of environments such as the telecommunications, buildings, utilities and industries, surveillance systems and Public Addressing Systems. The company provides some of the exemplary devices and solutions having the best modern technology as their working foundations.