Fdim(maj7) 7-string bass chord

How to play Fdim(maj7) on 7-string bass

The most common way, the first shape above: lay your index finger flat across the four strings from the E to the G at the 1st fret, your ring finger on the A string at the 2nd fret and your little finger on the D string at the 2nd fret. Don’t play the B, C and F strings.

From the B string x 1 2 2 1 x x (x: not played, 0: open)

What notes are in Fdim(maj7)?

Fdim(maj7), F diminished major seventh, is F, A♭, C♭ and E: the root (F), the minor third (A♭), the diminished fifth (C♭) and the major seventh (E). Its formula is 1 ♭3 ♭5 7.