Tech-out of the Xiegu XPA125B Auto Tuner + Amplifier

Today we take a look at the Xiegu XPA125B QRP Amplifier and Auto Tuner hooked up to the Icom IC-705. This amp will work with a variety of QRP rigs including the new Lab599 TX500, Xiegu G90, Elecraft and Yaesu Rigs. Does it do the thing?

The Xiegu XPA125B (new version) is a 100 watts solid-state linear power amplifier for frequencies from 1.8 to 30Mhz and 50 to 54Mhz, with an integrated antenna tuner and a big and bright display for monitoring the amplifier status. It is equipped with protections: temperature, overcurrent, detection of input and output. It’s perfect for your QRP radio or low power SDR transceiver.

The 2.7 inch large backlit LCD display screen shows input/output power, SWR, voltage, current, temperature, amplifier status as well as warning messages making the operation of this modern amplifier simple and also user friendly. The serial connection allows you to hook it up the computer to update the firmware.

Compatible Models
✔ Xiegu: G90, G1M, X5105, X108G
✔ Yaesu: FT-817, FT-818

Frequency range: 1.8-30MHz, 50-54MHz
Input power: ≤ 5W
Maximum output RF power: 1.8-30MHz ≥100W | 50-54MHz ≥ 90W
Maximum Ambient Operation Temp: 131 Fahrenheit(55 Celsius)
Gain: 13 dB (+/-2dB)
Spurious Suppression: >50 dB
Supply Voltage: 12-15 Volts DC
Transmit Current Draw: @ max output 30 Amps
Current parameters: Standby 260mA @Max Launch: 30A@Max
Receive Current Draw: @ max 700 mA
Working voltage: 12V~14.5V DC
Weight: 3.53lb
Machine size: 10.24*6.3*2.56in [Excluding knobs, handles, etc.]

ATU Frequency Range: 1.8-30 MHz & 50-54 MHz
ATU Tuning Range: 14-500 Ohms
ATU maximum tuning range: 14~500Ω




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