Fdim(maj7) 7-string guitar chord

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

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

From the low B string x 1 2 2 1 0 0 (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.