BOSCH PLENA VOICE ALARM Power amplifier 1935-20 SGCCTV SECURITY PACKAGE Public Address Installation Singapore Pa Repair Service

CHOICECYCLE OFFERS THE BEST BOSCH PLENA VOICE ALARM Power amplifier 1935-20 SGCCTV SECURITY PACKAGE Public Address Installation Singapore PA Repair Service

Features:

1. High Output Power:
   • Provides a single channel of 240W output power, suitable for driving large speaker zones or multiple smaller zones.
2. Built-in Supervision:
   • Includes built-in supervision for easy integration with voice alarm systems.
   • Monitors critical functions such as amplifier operation, power supply, and speaker line integrity.
3. Flexible Input Options:
   • Features balanced line inputs and outputs for flexible connectivity with other audio equipment.
   • Provides input level control for precise adjustment of audio levels.
4. Output Transformers:
   • Equipped with output transformers for 70V/100V distributed loudspeaker systems.
   • Ensures compatibility with standard public address systems.
5. Automatic Gain Control (AGC):
   • Includes AGC to maintain consistent audio levels, preventing distortion and ensuring clear sound.
6. Overload Protection:
   • Comprehensive protection against overload, short circuits, and overheating to ensure reliable operation.
   • Automatic fault detection and indication for easy troubleshooting.
7. LED Indicators:
   • Front panel LEDs provide visual feedback for power, signal, and fault status.
8. Expansion Capability:
   • Can be linked with additional amplifiers for system expansion and increased output power.
   • Designed for rack-mounted installation, ensuring a clean and organized setup.

Functions:

1. Voice Alarm Broadcasting:
   • Amplifies emergency messages and announcements with high clarity and reliability.
   • Ensures that critical information is clearly heard across all connected speaker zones.
2. Public Address System:
   • Supports general paging and public announcements in various venues such as schools, shopping centers, and office buildings.
   • Delivers high-quality audio for background music and live announcements.
3. Supervised Operation:
   • Continuously monitors its own operation and the integrity of the connected speaker lines.
   • Automatically triggers alerts in case of faults, ensuring immediate attention to potential issues.
4. Remote Control and Monitoring:
   • Can be integrated with remote control panels for centralized operation and monitoring.
   • Supports integration with building management systems for coordinated emergency responses.

Benefits:

1. Enhanced Safety and Security:
   • Reliable amplification of voice alarm messages ensures effective communication during emergencies.
   • Supervised operation enhances system reliability, providing peace of mind for building occupants and managers.
2. High Audio Quality:
   • Delivers clear and powerful audio, making announcements and alarms easily audible even in noisy environments.
   • AGC and output transformers ensure consistent audio performance across different speaker configurations.
3. Scalability and Flexibility:
   • Easily expandable to accommodate larger systems and additional zones.
   • Flexible input and output options allow integration with a wide range of audio sources and devices.
4. Cost-effective Solution:
   • Provides a robust and reliable amplifier solution for public address and voice alarm systems.
   • Reduces the need for frequent maintenance and repairs due to its comprehensive protection features.
5. User-friendly Design:
   • Intuitive front panel controls and indicators make it easy to operate and monitor.
   • Rack-mounted design simplifies installation and integration into existing audio systems.

Advantages:

1. Robust Build Quality:
   • Designed by Bosch, a trusted name in security and communication systems, ensuring high reliability and durability.
   • Built to withstand demanding environments and continuous operation.
2. Integrated Supervision:
   • Built-in supervision features reduce the need for additional monitoring equipment, simplifying system design and reducing costs.
3. Seamless Integration:
   • Compatible with Bosch’s Plena Voice Alarm System and other Bosch public address products, ensuring seamless integration and operation.
4. Comprehensive Protection:
   • Advanced protection mechanisms safeguard the amplifier and connected equipment, extending the lifespan of the system.

BOSCH PLENA VOICE ALARM Power amplifier 1935-20 SGCCTV SECURITY PACKAGE Public Address Installation Singapore Pa Repair Service

Potential Users:

1.Commercial Buildings:

• Office Complexes: Enhancing safety by ensuring clear communication during emergencies and routine announcements.
• Shopping Malls: Managing crowd control, making announcements, and providing background music to improve the shopping experience.

2. Educational Institutions:

• Schools: Ensuring the safety of students and staff by effectively communicating emergency alerts and daily announcements.
• Universities: Managing large campuses with clear communication for events, emergencies, and routine operations.

3. Healthcare Facilities:

• Hospitals: Communicating important information, emergency alerts, and public announcements to patients, visitors, and staff.
• Clinics: Providing a reliable public address system for routine announcements and emergency notifications.

4. Transportation Hubs:

• Airports: Managing passenger flow, providing boarding information, and issuing emergency instructions clearly and effectively.
• Train and Bus Stations: Making arrival/departure announcements and handling emergency evacuations with clear and audible messages.

5. Hospitality Industry:

• Hotels: Enhancing guest experience with background music, public announcements, and emergency notifications.
• Resorts: Ensuring clear communication across large properties for events, safety, and routine operations.

6. Government and Public Sector:

• Government Buildings: Communicating important information and emergency procedures to staff and visitors.
• Courthouses: Ensuring security and order with clear public address systems for announcements and emergency alerts.

7. Industrial and Manufacturing Facilities:

• Factories: Ensuring worker safety with clear communication of emergency procedures and routine operational announcements.
• Warehouses: Managing inventory operations and ensuring employee safety with effective public address systems.

8. Cultural and Event Venues:

• Museums and Galleries: Providing visitor information and emergency instructions clearly and audibly.
• Stadiums and Arenas: Managing large crowds and ensuring safety with clear announcements and emergency evacuation instructions.

9. Residential Complexes and Gated Communities:

• Apartment Buildings: Enhancing resident safety with clear emergency notifications and public announcements.
• Gated Communities: Managing community activities and ensuring safety with effective public address systems.

10. Retail and Supermarkets:

• Retail Stores: Enhancing customer experience with background music, promotional announcements, and emergency alerts.
• Supermarkets: Communicating effectively with customers and staff for routine announcements and emergency procedures.

BOSCH PLENA VOICE ALARM Power amplifier 1935-20 SGCCTV SECURITY PACKAGE Public Address Installation Singapore Pa Repair Service

General Specifications:

1. Model: Bosch Plena Voice Alarm Power Amplifier LBB 1935/20
2. Type: Public Address and Voice Alarm Power Amplifier

Electrical Specifications:

1. Output Power: 240 Watts
2. Frequency Response: 50 Hz to 20 kHz (+1/-3 dB, at -10 dB ref. rated output)
3. Signal-to-Noise Ratio: > 85 dB (ref. rated output at 1 kHz)
4. Total Harmonic Distortion (THD): < 1% (at rated output, 1 kHz)
5. Input Sensitivity/Impedance:
   • Balanced: 1 V/20 kΩ
   • Unbalanced: 2 V/10 kΩ
6. Line Output: 1V / 600 Ω, balanced

Connectivity:

1. Inputs:
   • 1 Balanced Line Input
   • 1 Priority Line Input
2. Outputs:
   • 70V, 100V, and 8Ω Outputs for speakers
3. Communication Ports:
   • RS485 for control and monitoring
   • Fault relay output for system integration

Controls and Indicators:

1. Front Panel Controls:
   • Input Level Control
   • Master Volume Control
2. Indicators:
   • Power LED
   • Signal LED
   • Peak LED
   • Fault LED

Mechanical Specifications:

1. Dimensions (H x W x D):
   • 88 x 430 x 270 mm (3.46 x 16.93 x 10.63 inches)
2. Weight:
   • Approximately 8 kg (17.64 lbs)
3. Mounting:
   • Rack-mountable, 2U height

Environmental Specifications:

1. Operating Temperature:
   • -10°C to +55°C (14°F to 131°F)
2. Storage Temperature:
   • -40°C to +70°C (-40°F to 158°F)
3. Relative Humidity:
   • <95%, non-condensing

Power Requirements:

1. Mains Voltage:
   • 115/230V AC, 50/60 Hz
2. Power Consumption:
   • 600 VA (maximum)

Features:

1. Protection:
   • Overload protection
   • Short circuit protection
   • Overheat protection
2. Cooling:
   • Forced air cooling via temperature-controlled fan

Compliance and Certifications:

1. Certifications:
   • CE, FCC, UL, and RoHS compliant
2. Standards:
   • Complies with IEC 60849 and EN 54-16 standards for voice alarm systems

Additional Features:

1. Supervision:
   • Built-in supervision for amplifier operation and speaker line integrity
2. Automatic Gain Control (AGC):
   • Ensures consistent audio levels
3. Integration:
   • Compatible with Bosch Plena Voice Alarm System and other Bosch public address products

BOSCH PLENA VOICE ALARM Power amplifier 1935-20 SGCCTV SECURITY PACKAGE Public Address Installation Singapore Pa Repair Service

Public address systems for any application

BOSCH PLENA VOICE ALARM Power amplifier 1935-20 SGCCTV SECURITY PACKAGE Public Address Installation Singapore Pa Repair Service