
( Brand: Qda4-45 ), ( Manufacturer Part Number: 5092-001 ), ( Part Type: Digital Amplifier )
The QDA-4-45 C-7 Contemporary Research Digital Combiner Amplifier, model number 5092-001, is a state-of-the-art audio amplifier designed for professional installations requiring digital signal processing and amplification. This versatile amplifier is part of Contemporary Research's QDA Series, which is renowned for its high-performance and reliability.
The QDA-4-45 is a 4-channel amplifier, each channel capable of delivering a robust 45 watts into 8 ohms (60 watts into 4 ohms) with a total power consumption of 180 watts. Its digital design allows for precise control and management of audio signals, ensuring clear and consistent sound quality.
One of the key features of this amplifier is its digital combiner technology. This technology allows multiple channels to be combined into a single output, simplifying installation and reducing the need for additional components. It's particularly useful in applications where multiple audio sources need to be distributed to multiple zones or areas.
The QDA-4-45 also offers several advanced features to enhance system performance and flexibility. These include:1. Digital signal processing: Each channel comes equipped with a 24-bit digital signal processor, allowing for fine-tuning of equalization, crossover, and delay settings. This ensures optimal sound performance for various applications and speaker configurations.
2. Remote control: The amplifier can be remotely controlled using Contemporary Research's RS-232 interface or third-party control systems, allowing for easy integration into larger installations.
3. Protective features: The QDA-4-45 includes several protective features, such as short circuit, thermal, and overload protection, ensuring reliable operation and minimizing the risk of damage to the amplifier or connected equipment.
4. Versatile input options: The amplifier accepts both balanced and unbalanced inputs, making it suitable for a wide range of applications and equipment.
5. Compact design: Despite its powerful performance, the QDA-4-45 has a compact design, measuring just 1 RU (rack unit) high and 17 inches wide. This makes it an excellent choice for installations where space is at a premium.
In summary, the QDA-4-45 C-7 Contemporary Research Digital Combiner Amplifier, model number 5092-001, is a high-performance, versatile, and compact amplifier designed for professional installations. Its digital combiner technology, advanced features, and robust power delivery make it an excellent choice for a wide range of applications, from small zoned audio systems to large-scale installations.
The QDA4-45 5092-001 Contemporary Research Digital Combiner Amplifier C-7 is a professional-grade audio amplifier designed for use in commercial installations. It is a digital combiner amplifier, which means it can combine the signals from multiple audio sources into a single output. Here are some pros and cons of buying this amplifier:
Pros:1. High Power Output: With a power output of 45 Watts per channel into 8 Ohms, this amplifier can deliver sufficient power for most commercial audio applications.
2. Digital Combiner: The digital combiner feature allows the amplifier to combine the signals from multiple sources into a single output, reducing the need for multiple amplifiers and simplifying installation.
3. Flexible Inputs: The amplifier supports both balanced and unbalanced inputs, making it suitable for a wide range of audio sources.
4. Remote Control: The amplifier comes with a remote control, allowing for easy adjustment of volume and other settings from a distance.
5. Energy Efficient: The amplifier features Class D topology, which is known for its energy efficiency, reducing power consumption and saving on electricity costs.
Cons:1. Cost: This amplifier is a professional-grade audio component, and its price reflects its advanced features and high power output. It may be more expensive than some other amplifiers in its class.
2. Complex Setup: The amplifier may require some technical expertise to set up and configure, especially if you are combining multiple sources.
3. Size: The amplifier is larger than some other amplifiers in its class, which may make it less suitable for installations where space is limited.
In conclusion, the QDA4-45 5092-001 Contemporary Research Digital Combiner Amplifier C-7 is a powerful and versatile audio amplifier with advanced features that make it suitable for commercial installations. Its high power output, digital combiner, flexible inputs, remote control, and energy efficiency are significant advantages. However, its cost, complex setup, and size may be drawbacks for some users.
Recommendation:If you are looking for a powerful and versatile audio amplifier for commercial installations and have the budget for it, the QDA4-45 5092-001 Contemporary Research Digital Combiner Amplifier C-7 is an excellent choice. Its advanced features, such as digital combiner, remote control, and energy efficiency, make it a worthwhile investment for professional audio installations. However, if you are on a tight budget or have limited space, you may want to consider other options with lower power output and simpler setup.
Contemporary Research QDA4-45 Digital Combiner Amplifier QDA4 5092-001 Ships via UPS Ground Saver, > Pulled from working AV system law firm training room. > Comes with AC/DC Power Adapter, The Contemporary Research QDA4-45 is an amplified RF combiner that can switch between one or four inputs, adjustable amplification up to 32 dB of gain.