Looking for a speaker Combo for a 1970 Fender Bassman 50

Hi all,

Just like the subject says, I'm looking for a good combo (probably 2 X 12) for my old bassman. Specifically looking for a tone similar to Doug Martsch of Built to Spill.

Here's a good example of what I like:

http://youtu.be/4AKs7Ag9kZg

Thanks for any help!