Home > Products > Public Address System

Amplifier Changeover with Speaker Line Surveillance EN-800AC

/uploads/allimg/180813/1-1PQ31545540-L.jpg
/uploads/180813/1-1PQ3155031529.jpg
/uploads/allimg/180813/1-1PQ31545540-L.jpg

8 Channel Amplifier Fault Changeover with Speaker Line Surveillance EN-800AC

DESCRIPTION DOWNLOAD
8 Channel Amplifier Fault Changeover with Speaker Line Surveillance
EN-800AC


 Features:
  • 8 Channel amplifier fault changeover with speaker line surveillance
  • 19” rack mount design in 1U height
  • One standby amplifier to backup 8 amplifier within 1 second
  • 8 speaker line supervision for open circuit, short circuit and impedance fluctuation
  • Each speaker zone detection time within 2 seconds
  • The amplifier and speaker line fault will be reminded by indicator, buzzer, fault out and RS485 out
  • 8 amplifier indicator, standby amplifier indicator and 8 speaker line indicator
  • With calibrate button on front panel to initialize or calibrate each amplifier and speaker line setting
  • With 8 balanced line inputs and 8 balanced line outputs with 24V overriding relay
  • With 8 amplifier 100V inputs and 8 zone 100V outputs
  • Dipswitch for 8 zone enable or disable the monitoring
  • Auto or manual two different monitoring options
  • 10% and 20% two speaker impedance monitoring options
  • Expandable from 8 zones to max 192 zones
  • Two RS485 interface to third party system
  • 24V DC operation system
 
Specifications:

Model EN-800AC
Description 8 Channel Amplifier Fault Changeover with Speaker Line Surveillance
Channel 8 Channels
Connector Eight balanced line inputs by phoenix connector
Eight balanced line outputs with 24V relay by phoenix connector
Eight Amplifier 100V inputs by phoenix connector
Eight Speaker 100V outputs by phoenix connector
Two RS485 interfaces by phoenix connector
Configuration Auto or manual monitoring dipswitch; Enable or disabled 8 zone monitoring dipswitch
Expandable to 192 zones ID dipswitch; 10% or 20% monitoring speaker line fluctuation
Input Sensitivity/Impedance 1V, 10K Ohm
Pilot Tone Frequency 20 KHz (±5%)
Detection Line 50V/70V/100V Speaker line
Detection Level 50V rms min
Amplifier Detection Time < 1 Second
Speaker Line Detection Time < 2 Seconds per speaker zone
Changeover Time < 1 Second
Failure Detection Time 5-15 Seconds
Failure Reset Time 20 Seconds Max.
Zone Loading Capacity 500W /100V Line Max.
Max Loading Current 8A
Measurement Sensitivity ±10% of Speaker line impedance
Power Supply DC24V by phoenix connector Max. 2A
Dimension 482(W)x420(D)x44(H) mm
Weight 3.2kg