RF Linear amplifier  coverd 1.8-30MHz amateur radio  band , using 3X4CX250F or 4CX250B(Chinese FU-250F or FU-251F ) ceramic tetrodes in parallel, working at  Class AB1/Ua=2200V(full load) , 

Driving power:20-30W  output:1000W ;.

3rd Order: -32dbc;

  You can view our amplifier review at

1 year (tube) and 2 years(amplifier) guarantee.About the manual , we still have no manual in English now, but we can send you 

the schematic diagram.To oprate this amplifier  as most of other amplifiers , so you can download other amplifier's

 manual as refernce,and   I'm sure we will have the manual in English  very soon.

We will delivery the amplifier  in 15 business days after you make payment.

You need inform  me your local main power's  voltage and your callsign,so we can order a custom-built transformer for

 your amplifier and program the LCD displat unit to input your callsign.

About shipping: the shipping cost depend on your location and shiping way, we usually by DHL, FedDx International Economy(will take 3-4 weeks)  and others.


Thanks for view my amplifier.