Amptec LA4000 4kW Amplifier from China
Amptec, a Chinese manufacturer of amplifiers, has the Amptec LA4000 4kW amplifier in their product range. The amplifier, according to the specifications, is capable of 4kW of power, from an input power of around 60 to 90W. It is equipped with a pair of the Chinese-made FU728F ceramic vacuum tubes. …