8 Channel Amplifier Fault Changeover with Speaker Line Surveillance

• Customization: Available
• Type: Professional Amplifier
• Usage: Hi-Fi, AV, KTV System
• Model NO.: EN-800AC
• Used For: Professional
• Tube Type: IC Amplifier
• Function: Pre-amplifier, Auto Amplifier
• Sound Channel: 2.1
• Output Number: 8
• Voltage: AC 220V
• Element Number: Monoamplifier
• Conductive Mode: AB
• Weight: 3.2kg
• Dimension: 482(W)X420(D)X44(H) mm
• Power Supply: DC24V by Phoenix Connector Max. 2A
• Zone Loading Capacity: 500W /100V Line Max.
• Transport Package: Carton
• Specification: (L*W*H)484*365*88
• Trademark: FTD
• Origin: China
• HS Code: 9520909090
• Production Capacity: 3000/Month

Product Description

About us:

Guangzhou FTD Audio Limited is a leading manufacturer of Public Address System and Conference System in China, We are focus on R&D and our Professional R&D team already 15 years′ experience on Audio field. FTD audio will offer the professional products and service to each of partner and do a win win business with our partners!

Our main products are Public address system ,EVAC system, IP PA system ,conference system ,PA amplifier and PA speaker.These system are all designed and produced by our engineer. We are accept OEM,ODM order.

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

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