sandberg 6strings nbd

Greetings I saw Oteil Burbidge made a post last year on his ig about sitting during some Dead & Co. shows because of a collapsed disc in his back. He mentioned his basses being heavy. Some recent posts show him with a very cool Sandberg 6 string (mm & j pickups) California (T6?).. here he is...

Dear TBers, Today my new bass arrived... after a lot of doubts and indecisions, I settled in the end for the 6 strings. I play mainly 6 since few years but I was always tempted to go back to 4. Some weeks ago I did another trial and brought my 4 strings to rehearsal. It was fun, but my heart is...