I used these for my Fender Hotrod Deluxe. This was my first time swapping out power tubes myself. Have had the tubes changed in the past but always brought it to an amp tech.
It is worth doing some research about setting the bias on the amp before purchasing replacement power tubes. Although, it is very doable with a basic understanding of electronics and a multimeter.
These tubes brought my amp back to life, restored the clarity and transients that had disappeared when using the old tubes. Very happy with the sound.