
( Brand: Yaesu ), ( Model: FL-2000B ), ( Part Type: Amplifier ), ( Output Power: 600w ), ( Frequency Band S : Hf ), ( Amplifier Class: B ), ( Supported Modes: Am ), ( Country/region Of Manufacture: Japan )
The FL-2000B Yaesu Amplifier is a powerful and versatile piece of equipment designed for serious ham radio enthusiasts. This linear amplifier is capable of delivering up to 2000 watts of RF power on the 2 meter and 70 cm bands, making it an ideal choice for long-distance communications or for use in high-power contesting.
The FL-2000B features a robust aluminum chassis and a high-quality heat sink to dissipate heat efficiently, ensuring reliable operation even under heavy load. The amplifier is equipped with a high-current, high-voltage power supply, which provides stable and consistent power to the output stage.
The FL-2000B also features a built-in automatic band switching system, which allows the amplifier to automatically switch between the 2 meter and 70 cm bands without the need for manual adjustment. This feature is particularly useful for those who operate on both bands and want to avoid the hassle of manually switching between them.
In addition, the FL-2000B is equipped with a built-in protection system that includes over-temperature protection, over-current protection, and over-voltage protection. This system helps to protect the amplifier from damage caused by excessive heat, current, or voltage, ensuring a long and trouble-free service life.
The FL-2000B also features a user-friendly front panel with clear indicators and controls for easy operation. The amplifier is easy to set up and calibrate, and it can be remotely controlled using a Yaesu Remote Control Unit (RCU).
In summary, the FL-2000B Yaesu Amplifier is a high-performance, high-power amplifier that is ideal for serious ham radio enthusiasts. Its robust construction, built-in protection system, and user-friendly front panel make it a reliable and easy-to-use piece of equipment. With its ability to deliver up to 2000 watts of RF power on the 2 meter and 70 cm bands, it is a powerful tool for long-distance communications or contesting.
Pros of buying a FL-2000B Yaesu Amplifier:1. Powerful Output: The FL-2000B is a high-power linear amplifier with an output of 2000 watts PEP. This makes it suitable for long-distance communication, DXing, and contesting.
2. Reliable and Durable: Yaesu is a well-known brand in the radio communication industry, known for producing high-quality, reliable equipment. The FL-2000B is no exception, with a robust design and durable construction.
3. Automatic Power Control (APC): This feature helps to protect the amplifier from damage by automatically adjusting the output power based on the input signal level.
4. Flexible Operation: The FL-2000B can be used with various types of radios, including HF and VHF/UHF transceivers.
5. Excellent Heat Dissipation: The amplifier has a large heat sink and fan for efficient heat dissipation, ensuring stable operation even under heavy load.
Cons of buying a FL-2000B Yaesu Amplifier:1. High Price: Due to its high power output and quality, the FL-2000B is a relatively expensive amplifier.
2. Large Size and Weight: The amplifier is quite large and heavy, which might be a disadvantage for portable or mobile use.
3. Requires Proper Setup and Maintenance: Proper setup and maintenance are essential to ensure the amplifier's longevity and optimal performance. This might require some technical knowledge or professional help.
Conclusion:The FL-2000B Yaesu Amplifier is a powerful and reliable choice for HF and VHF/UHF communication. Its automatic power control and excellent heat dissipation features contribute to its longevity and overall performance. However, its high price and large size may be a deterrent for some potential buyers. If the price and size are not a concern, and you require a high-power amplifier for long-distance communication or contesting, the FL-2000B could be an excellent investment.
Recommendation:If you are looking for a high-power amplifier and can afford the FL-2000B's price, I would recommend it due to its reputation for quality and performance. If you are on a budget or require a more portable option, you might want to consider other options with lower power outputs and smaller sizes.
Cosmetically, it is very clean outside and inside. All bleeder resistors have been replaced as well. There is a new 33-ohm grid resistor under v1.
The unit has a pair of Taylor 572b tubes and is currently wired for 234vac. The unit has great RF output of about 500 watts keyed down. There is a small scratch on the top front edge of cabinet, but does not detract from its clean appearance.
The unit is a daily user from non-smoking environment. All six filter capacitors have been replaced with 150uf, 500v units. Up for buying is a real clean Yaesu FL-2000B linear amplifier.