Monacor PA-1250D 100V Amplifier 250W

Monacor PA-1250D Mono Class D PA Power Amplifier

Overview

The Monacor PA-1250D is a mono Class D public address (PA) power amplifier delivering 250 W at 100 V. Designed for professional audio installations, it is ideal for environments such as offices, conference rooms, churches, and other settings requiring reliable and efficient audio amplification. Its high efficiency and energy-saving features make it suitable for both commercial and institutional applications.

Design and Build Quality

Housed in a robust 19-inch, 2U steel chassis, the PA-1250D ensures durability and reliability for rack-mounted installations. The fanless cooling design enables silent operation, making it particularly suitable for noise-sensitive areas. The front panel features an LCD for displaying operating parameters, providing users with clear and accessible information.

Key Technologies and Features

• High-Efficiency Class D Amplification: Achieves an efficiency of over 90%, significantly reducing energy consumption compared to traditional analogue amplifiers.
• Automatic Standby Mode: Incorporates an energy-saving function that automatically switches the amplifier to standby mode when no input signal is detected, and reactivates automatically when a signal is detected.
• Reduced Cooling Requirements: Low thermal loss minimises the need for extensive cooling, enhancing the amplifier's longevity.
• Silent Operation: The fanless cooling concept ensures quiet performance, ideal for noise-sensitive environments.
• Protective Circuits: Equipped with special protective circuits to prevent damage caused by short circuits or overheating.
• Menu-Controlled Settings: Offers extensive, menu-controlled settings for user convenience.
• Switchable High-Pass Filter: Features a 200 Hz high-pass filter with a 6 dB/octave slope, providing flexibility in audio output customisation.
• Priority Input: Includes an additional priority input for integrating emergency announcements or priority messages.
• Dual Power Operation: Supports both mains operation and 24 V emergency power operation, ensuring continuous functionality during power outages.

Specifications

Performance and User Experience

The Monacor PA-1250D provides clean, uninterrupted sound delivery, with very low distortion and excellent energy efficiency. Its energy-saving standby features, priority input, and emergency power capabilities ensure the unit is always ready for reliable operation in any scenario.

Q&A Section

Q: Can the PA-1250D be used in emergency broadcast systems?

A: Yes, it includes a priority input and supports 24 V emergency power operation, making it suitable for integration into emergency systems.

Q: Is the amplifier fanless?

A: Yes, the PA-1250D uses a fanless cooling system, ensuring silent operation and making it well-suited to noise-sensitive settings.

Q: Does it support rack mounting?

A: Absolutely. The unit is designed for 19-inch rack mounting and occupies 2U of rack space.

Q: How energy-efficient is the PA-1250D?

A: It uses Class D amplification with over 90% efficiency and features an automatic standby mode to reduce energy usage when idle.

Q: Can it drive 100 V speaker systems?

A: Yes, it is designed specifically for 100 V distributed speaker systems, delivering a full 250 W output at 100 V.