I'm in search for a tube amp that will give me that vintage distorted or saturated tube amp sound but I have to keep the volume at a low to medium level. While I would love to crank it up I don't think my neighbors would appreciate it. So would a lower wattage tube amp be the way to go which in theory would allow me to increase the gain and lower the output volume? Or do you need to crank the volume as well? I currently using an Epifani 555 (550 watt D-Class amp) into an Epifani D.I.S.T. 112 cabinet. It's a sweet sounding setup and very clean but I'd like to have a second amp that will do tube distortion without having to getting loud. Will something like an Ampeg Portaflex PF-20T do this? How about a vintage Ampeg B-15. Is it a myth that it has to be loud to get tube saturation?