Tube Amp Archive

Thank you everyone for your help! If you would like to hear the music my band plays, here is a link: www.droughtdoom.bandcamp.com We are isolated in the high deserts of New Mexico. As one can hear from our recordings, we are not going into the higher part of the frequencies but our new material does...

I'm curious to know if a tube amp is capable of having a full range of 20-20,000 Hz and if that is possible? If so, which amp companies produce them and which is the loudest? I play in a drone/doom band and have my guitar in a drop A tuning. I need the full range because my pedal board has octavizer...