A member of the string family, the upright bass, also known as the double bass is the lowest pitched string instrument going as low as B0 (31Hz) on its five string version.
Recording this instrument can be quite tricky because of its low tone, you begin by choosing the right microphone. Choose a mic that can capture these frequencies.
Once you have picked the right mic you need to understand its vibration points since it is capable of producing vibrations mainly transmitted by its bridge. Knowing these details, you can now place your chosen mic in the right position.
Read more here: http://en.audiofanzine.com/recording-mixing/editorial/articles/recording-a-bowed-upright-bass.html
Super useful! I had a session a few years back, and really could have used this…