Thanks.. I've read and hear myself the amp shines best with MV opened up, maybe 2:00 upward. Otherwise, it is muffled or dull sounding with much less dynamics. Sure the Weber takes a little away but not as much as keeping MV down..
Yes it has 20 / 3 / 0.5 watt modes. I am playing in a ~15x12 home office - untreated room with tile floor w/ a thin area rug so its still pretty loud with the MV pushed. There is not a huge difference in SPL between the 3w and 0.5w. I have an old Radio Shack SPL meter and able to get it in a 85-90 db range with decent sound quality.