TC does indeed have an extensive online library -- I don't see the need to reproduce a big passel of it here. The link would do. Just sayin'.... 
I'll claim Number 6 if that's still available. I did my part to prop up the economy and spent my stimulus check on a BQ-500 and a pair of BC-208s back when the pandemic started. It works well in the drum-less trio I have with a couple of guitar players. I use just one cab with that head all the time -- no worries. Here's a pic of the admittedly marginal job I did of adding NL4s to the cab -- it made absolutely no sense that the amp only has a Speakon out and the cabs only have quarter-phone inputs. (The NL4s are mounted upside down so there is some extra room to actuate the thumb latches.)
I'll claim Number 6 if that's still available. I did my part to prop up the economy and spent my stimulus check on a BQ-500 and a pair of BC-208s back when the pandemic started. It works well in the drum-less trio I have with a couple of guitar players. I use just one cab with that head all the time -- no worries. Here's a pic of the admittedly marginal job I did of adding NL4s to the cab -- it made absolutely no sense that the amp only has a Speakon out and the cabs only have quarter-phone inputs. (The NL4s are mounted upside down so there is some extra room to actuate the thumb latches.)