70w MiniPA amplifier SSB-AM 3.5-30 MHz.How to make this amplifier and set up

DIY KITS 70W SSB linear power amplifier https://shopnow.pub/redirect/cpa/o/st... Input transformer 2 turns. Output transformer 3 turns. Gate-source voltage 3.5 Volt. With an input power of 200 mW, the output will be 7.2 W, this is at a frequency of 27 MHz.With a stronger signal at the input, the output will also be a very powerful signal