
( Brand: Xiegu/mfj ), ( Model: XPA-125B ), ( Part Type: Amplifier ), ( Output Power: 125w ), ( Custom Bundle: No ), ( Supported Modes: Qrp ), ( Country/region Of Manufacture: China ), ( Band: Rf )
The XPA-125B Xiegu HF QRP Amplifier is a powerful and versatile radio frequency (RF) amplifier designed for use with HF (High Frequency) transceivers. This amplifier, manufactured by Xiegu, is specifically compatible with the Xiegu MFJ series of transceivers, making it an ideal choice for those who own or plan to purchase these models.
The XPA-125B amplifier delivers a maximum output power of 125 watts, making it capable of handling a wide range of communications needs. It operates on frequencies between 1.8 to 54 MHz, covering the entire HF band, making it a versatile tool for amateur radio operators, emergency communication services, and other applications that require reliable and powerful RF amplification.
The XPA-125B is built with high-quality components to ensure reliability and durability. It features a robust aluminum chassis, which not only provides excellent heat dissipation but also ensures that the amplifier can withstand the rigors of regular use. The amplifier also includes a built-in cooling fan to further help maintain optimal operating temperatures.
The Xiegu HF QRP Amplifier is designed with ease of use in mind. It features a simple control interface that allows users to easily adjust the output power, with various settings available to accommodate different operating conditions. The amplifier also includes protection features, such as over-current, over-temperature, and output power limiting, to prevent damage to the amplifier or connected equipment.
In summary, the XPA-125B Xiegu HF QRP Amplifier is a powerful and reliable RF amplifier that is compatible with the Xiegu MFJ series of transceivers. It delivers a maximum output power of 125 watts and operates on frequencies between 1.8 to 54 MHz, making it a versatile tool for a wide range of communications needs. Built with high-quality components and featuring a simple control interface, this amplifier is a great choice for anyone in need of reliable and powerful RF amplification.
Pros of the XPA-125B Xiegu HF QRP Amplifier:1. Powerful: With a maximum output power of 125W, this amplifier is suitable for various HF bands from 1.8 to 54 MHz, making it a versatile choice for most amateur radio operators.
2. Compact and Portable: The XPA-125B is designed to be compact and lightweight, making it easy to transport and take with you to different operating locations.
3. High Efficiency: The amplifier has a high efficiency of up to 65%, which means it can operate for a longer time without overheating and requiring frequent cooling.
4. Rugged and Durable: The XPA-125B is built to withstand harsh operating conditions, making it a reliable choice for those who operate in harsh environments.
5. Affordable: Compared to other high-power amplifiers, the XPA-125B is relatively affordable, making it a budget-friendly option for many amateur radio operators.
Cons of the XPA-125B Xiegu HF QRP Amplifier:1. Complex Setup: The amplifier may require some technical knowledge to set up and configure correctly, which may be a challenge for beginners.
2. Limited Power Output: While 125W is a significant power output, some more advanced operators may require more power for certain applications.
3. Limited Bandwidth: The amplifier may not be suitable for operating on narrow bands due to its wide bandwidth of 54 MHz.
4. No Built-In Antenna Tuner: The XPA-125B does not have a built-in antenna tuner, which may require the purchase of an additional antenna tuner for some applications.
In conclusion, the XPA-125B Xiegu HF QRP Amplifier is a powerful, compact, and affordable option for amateur radio operators who require a versatile and reliable amplifier for various HF bands. Its high efficiency and durability make it a suitable choice for operating in harsh environments. However, its complex setup and limited bandwidth may be challenges for some users, and the lack of a built-in antenna tuner may require additional purchases. Overall, it is a good choice for beginners and intermediate operators who require a versatile and powerful HF amplifier.
Has automatic band selection as well manual to make it the perfect for x5105 or x108g. The tuner can handle ohm loads in hf bands 86 lbs shipping weight mhz and 6 meter band. Its maximum power output is 100 watt.
The automatic antenna tuner unit and power amplifier of xpa-125 can be used independently each other as either an or a separate. The large back lit LCD display shows input output power, Sr, voltage , current, temperature, amplifier status as well warning messages making operation of this modern simple and also user friendly. Xpa125 specifications:frequency range: 0,5-54 mhz maximum output power: 1,8-30 mhz 100w 50mhz 80 maximum ambient operation temp: 131 Fahrenheit 55 Celsius gain: 13 db 2db spurious suppression: 50 db supply voltage : 12-15 volt dc transmit current draw: max 30 receive 700 mat frequency MHz tuning ohm dimensions: 10. The serial connection allows you to hook it up computer update firmware.
The XPA-125B is perfect amplifier for a 5 watt transmitter when 100 output needed.