
( Brand: Edwards/est ), ( Manufacturer Part Number: 3-ZA30 ), ( Type: Fire Alarms )
The EDWARDS EST 3-ZA30 is a high-performance, solid-state audio amplifier designed for professional sound reinforcement applications. This three-channel amplifier is capable of delivering an impressive total power output of 900 watts RMS, with each channel delivering 300 watts RMS.
The EST 3-ZA30 is built using the latest Class-AB topology and incorporates multiple protection features, including over-current, over-voltage, and thermal protection, ensuring reliable operation under various demanding conditions. Each channel comes with selectable 2 or 4 ohm impedance operation, making it versatile for use with a wide range of loudspeakers.
A key feature of this amplifier is its high-speed, low-pass Bell-Core filter, which minimizes the amount of heat generated in the power supplies, reduces distortion, and ensures excellent sound quality and transient response. Additionally, the amplifier's distinctive industrial design provides an attractive and rugged enclosure resistant to the rigors of live performance environments.
The EST 3-ZA30 also includes several input and output connectors, including balanced XLR, 1/4" TS, and SpeakON NL4 connectors, offering flexibility for various source components and loudspeaker configurations. Each channel is equipped with a level control knob, allowing for quick and precise adjustments during live performances, while an LED power indicator shows the operational status of the amplifier.
This professional audio amplifier is designed for long-term durability, with molded circuit boards, made-in-house premium quality passive components, and highly efficient heatsinks. It measures 19 inches (483 mm) in width, 3.5 inches (90 mm) in depth, and 5 inches (127 mm) in height, allowing it to easily be rack-mounted. With its powerful, reliable performance and robust design, the EDWARDS EST 3-ZA30 is an ideal solution for any professional sound reinforcement application.
The Edwards EST 3-ZA30 audio amplifier is a powerful and versatile solution for various audio applications. Here are some pros and cons tohelp you decide if this amplifier is the right choice for your needs:
Pros:1. High Power Output: The EST 3-ZA30 delivers a continuous power output of 30W at 8 and a peak power output of 120W. This makes it an excellent choice for powering loudspeakers in large venues or for applications that require high sound pressure levels.
2. Versatile Input Connections: The amp offers various input options including XLR, 1/4", and RCA, making it compatible with various sound systems and sources.
3. Protective Features: The amp is equipped with protective features such as over-current, over-voltage, and short-circuit protection, ensuring the longevity of the amplifier.
4. Weight and Size: The EST 3-ZA30 is relatively compact and lightweight for its power output, making it easier to transport and install.
Cons:1. Fan Noise: Some users have reported that the fan can be noisy under heavy load. This might be a drawback for applications where low noise is a priority, such as in recording studios.
2. Limited Filtering: The amp may not offer the most extensive filtering options for fine-tuning your sounds. This could be a concern for professionals who need precise control over their tone.
3. Mounting Options: The device only comes with a few mounting options, so placing it in certain locations may require additional hardware.
Conclusion:The Edwards EST 3-ZA30 audio amplifier is an excellent option for those seeking high power output and versatile input connections. Its protective features ensure reliability, and its compact size makes it easy to transport and install. However, its fan noise and limited filtering options could be drawbacks for some users. Ultimately, the decision to buy this amplifier depends on your specific needs and uses case. If you require high power, versatility, and durability, the Edwards EST 3-ZA30 is a great investment. If low noise or extensive filtering options are a priority, you may want to consider other options in the market.
Bench tested.