Rookie For 2SK1058 & 2SJ162

Good day!

As shown in the circuit, I now have a circuit board with FETs 2sk1058 and J162 as the front stage 6N11 and 6n6. I would like to ask if I can directly use the existing three 12AX7B and two 7025 electron tubes instead of 6N11 and 6n6?

Circuit

Tips: 2sk1058 and J162: 1. https://www.utmel.com/components/2sk1058-n-channel-power-mosfet-2sk1058-datasheet-pinout?id=1047

2.https://www.utmel.com/components/2sj162-p-channel-mosfet-2sj162-mosfet-price-datasheet-video?id=1050

Thanks!

KA