C♯7♭5 8-string guitar chord

How to play C♯7♭5 on 8-string guitar

The most common way, the first shape above: your ring finger on the A string at the 4th fret, your index finger on the D string at the 3rd fret and your middle finger on the high E string at the 3rd fret. Let the G and high B strings ring open. Don’t play the F♯, low B and low E strings.

From the F♯ string x x x 4 3 0 0 3 (x: not played, 0: open)

What notes are in C♯7♭5?

C♯7♭5, C♯ dominant seventh flat five, is C♯, E♯, G and B: the root (C♯), the major third (E♯), the diminished fifth (G) and the minor seventh (B). Its formula is 1 3 ♭5 ♭7.