
( Brand: Collins ), ( Model: CU-991/AR ), ( Part Type: Network Antenna Tuner )
The Cu-991-AR Collins 991-AR Network Impedance Antenna Tuner 180L is a sophisticated and high-performance antenna tuning device designed for amateur radio enthusiasts and professionals alike. This tuner, manufactured by Collins, is renowned for its durability, accuracy, and reliability.
The device features a network impedance analyzer that allows for precise tuning of antennas, ensuring optimal performance and efficiency. The 180-degree rotary display provides clear and easy-to-read indications of the SWR (Standing Wave Ratio), making it simple to adjust the antenna for the best possible signal quality.
The Cu-991-AR Collins 991-AR Network Impedance Antenna Tuner 180L is built to withstand the rigors of frequent use in various environmental conditions. It boasts a rugged and weather-resistant design, with a sturdy, metal construction that ensures long-lasting performance. The tuner also features a large, easy-to-use knob for simple and precise adjustments.
The tuner is compatible with a wide range of antennas, including vertical, dipole, Yagi, and beam antennas, making it a versatile addition to any amateur radio station. It can handle a wide range of power levels, up to 200 watts, making it suitable for use with both low-power and high-power transceivers.
In summary, the Cu-991-AR Collins 991-AR Network Impedance Antenna Tuner 180L is a powerful and reliable tool for optimizing the performance of your antenna system. Its precise tuning capabilities, rugged construction, and wide compatibility make it an essential piece of equipment for any serious amateur radio enthusiast or radio professional.
Pros of buying a CU-991-AR Collins 991-AR Network Impedance Antenna Tuner 180L:1. Wide frequency range: This tuner covers a frequency range of 1.8-54 MHz, making it suitable for various amateur radio applications.
2. High power handling: It can handle up to 1500 watts of RF power, making it suitable for high-power operations.
3. Reliable and durable construction: The Collins 991-AR is known for its robust construction, making it a reliable choice for long-term use.
4. Versatile: This tuner can be used with various antennas, including dipole, vertical, and yagi, among others.
5. Easy to operate: The tuner has a simple and intuitive control interface, making it easy to use even for beginners.
Cons of buying a CU-991-AR Collins 991-AR Network Impedance Antenna Tuner 180L:1. High cost: The Collins 991-AR is a high-end tuner, and its price reflects its quality. It may be out of reach for some amateur radio enthusiasts with a limited budget.
2. Large size: The tuner is relatively large and heavy, which may make it difficult to transport or install in a small space.
3. Limited features: Compared to some newer tuners on the market, the Collins 991-AR may lack some advanced features, such as remote control or automatic tuning.
Conclusion:If you are an amateur radio operator looking for a reliable and high-performance tuner with a wide frequency range and high power handling capacity, the CU-991-AR Collins 991-AR Network Impedance Antenna Tuner 180L is a great choice. However, its high cost and large size may make it a less attractive option for some potential buyers.
Recommendation:If the cost and size of the Collins 991-AR are a concern, you may want to consider some of the newer tuner options available on the market that offer similar performance at a lower price point. Some options to consider include the LDG Z-100Plus, the MFJ-998, or the Elecraft T1. These tuners may not have the same level of history and reputation as the Collins 991-AR, but they offer many of the same features at a more affordable price. Ultimately, the best tuner for you will depend on your specific needs and budget.
This came to me in a large lot of test equipment and avionics I purchased awhile ago. Please look at all photos and ask questions before buying.
Piece is in very nice cosmetic condition for its age, please see photos of inside.