( Brand: Ameritron ), ( Part Type: Amplifier ), ( Max. Output Power: 500w ), ( Frequency Band S : Hf ), ( Supported Modes: Am ), ( Country/region Of Manufacture: United States )
The Al-811 Linear Amplifier from Ameritron is a powerful and versatile HF (High Frequency) amplifier designed for amateur radio enthusiasts and communication professionals. This 1.6 kW solid-state amplifier is renowned for its exceptional performance and reliability, making it an ideal choice for both casual and competitive operators.
The Al-811 features a state-of-the-art Class E design, which provides excellent efficiency, minimizes heat dissipation, and reduces distortion, ensuring crystal-clear audio output. The amplifier is equipped with a high-quality MOSFET power stage, ensuring robust performance and longevity. The output stage is further protected by a built-in thermal cutoff, which automatically shuts down the amplifier in the event of overheating to prevent damage.
The Al-811 boasts an impressive bandwidth, covering the HF frequency range from 1.8 to 54 MHz, making it suitable for a wide variety of applications. It also includes an automatic band switching feature, which allows the amplifier to automatically switch between bands, ensuring seamless operation.
The amplifier is equipped with a user-friendly front panel, featuring a high-resolution LCD display that shows key operating parameters such as power output, SWR, and temperature. The front panel also includes a rotary encoder for easy and precise adjustment of various settings, including power output, drive, and band switching.
The Al-811 is designed with ease of installation in mind. It includes a detachable power supply, which can be located away from the amplifier for improved safety and cooling. The amplifier is also equipped with high-quality binding posts for easy connection to your antenna and coaxial cable.
In summary, the Al-811 Linear Amplifier from Ameritron is a powerful and reliable HF amplifier, featuring a Class E design, high-quality MOSFET power stage, automatic band switching, and a user-friendly front panel. Its impressive bandwidth, robust construction, and ease of installation make it an excellent choice for amateur radio enthusiasts and communication professionals alike.
Al-811 Ameritron HF Amplifier: Pros:1. Powerful: The Al-811 is a high-power linear amplifier, capable of delivering up to 1,600 watts of RF output power. This makes it ideal for long-distance communication and DXing.
2. Efficient: The Al-811 is known for its high efficiency, which means it consumes less power while delivering high output power. This can save you money on electricity bills in the long run.
3. Durable: Ameritron amplifiers are known for their durability and reliability. The Al-811 is no exception, with a solid construction and high-quality components that can withstand heavy use.
4. Versatile: The Al-811 is a versatile amplifier that can be used for various HF bands, from 1.8 to 54 MHz. It also has a variety of features, such as a built-in auto-tuner and adjustable power output.
Cons:1. Price: The Al-811 is a high-end amplifier, and its price reflects that. It may be out of reach for some amateur radio operators with a limited budget.
2. Size and Weight: The Al-811 is a large and heavy amplifier, which can make it difficult to transport or install in smaller stations.
3. Complexity: The Al-811 has many features and settings, which can be overwhelming for some users. It may require some time and effort to learn how to use it effectively.
Conclusion:The Al-811 Ameritron HF amplifier is a powerful and efficient amplifier that can deliver high output power and save you money on electricity bills. However, its high price, size, and weight, as well as its complexity, may make it less accessible to some amateur radio operators. If you have the budget and the space, and are willing to invest the time to learn how to use it, the Al-811 can be a great investment for your station.
Recommendation:If you are looking for a high-power linear amplifier, the Al-811 Ameritron HF amplifier is a great option to consider. However, it may be worth considering some of its lower-power and more affordable alternatives, such as the Al-80B or Al-85, which may be more suitable for your needs and budget. Ultimately, the best choice for you will depend on your specific requirements and circumstances.
The only item for sale in the photos is the Ameritron amp. I used a ken wood gifts 430 to show full output from the amp. I have for sale an Ameritron 811 hf amplifier.
The photos tell the story it comes with a good copy of the instructions as well as the relay cord that I used to connect it to the ken wood.