Explore C# 9b5 Guitar Chord Shapes on the Fretboard

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Unlocking the C# 9b5 chord begins with understanding its unique visual footprint on the fretboard. Our interactive fretboard tool provides an immediate canvas to explore every possible fingering, helping you grasp the spatial relationships across the strings. Verify your precision in real-time with mic feedback, confirming your finger placement instantly. This complex Dominant Chord is built from the notes C#, E#, G, B, and D#, structured with a Root (1), Major Third (3), flattened Fifth (b5), Minor Seventh (b7), and Ninth (9).

The distinct blend of the ninth and flattened fifth intervals gives the C# 9b5 its sophisticated harmonic color, creating tension that often resolves beautifully. Understanding how these extensions are constructed is key, so delve into our guide on Chord Construction. As a powerful member of the Dominant Chords family, its application is crucial for advanced harmony. Many common voicings for this chord involve barre shapes, making Guitar Bar Chords an essential skill to master for full command of the fretboard.

Below, you'll discover a comprehensive collection of chord diagrams for the C# 9b5, ranging from foundational open positions to more advanced movable shapes. We'll also delve into its music theory, list songs where it shines, and highlight common keys where this chord is frequently found. Before committing shapes to memory, take a moment with the interactive tool above to visually explore how the C# 9b5 lays out on the fretboard, using the drum tool to set a practice tempo and hear it played as a strum or arpeggio.

C# 9th with flat 5th guitar chord is also written as C#9b5, C#9(b5) or C#9-5.

Notes in the C# 9b5 chord:

C# E# G B D#

Tones of the Dominant Ninth Flat five chord:

#11

C# 9b5 Guitar Chord Diagrams

Position 1 Barre Movable

Finger Positions

Mute the low E string
Mute the A string
Place your index finger (1) on the fret 11 of the D and high E strings at the same time
Place your middle finger (2) on the fret 12 of the G string
Place your ring finger (3) on the fret 12 of the B string

Position 2 Barre Movable

Finger Positions

Place your index finger (1) on the fret 3 of the low E, D and high E strings at the same time
Place your middle finger (2) on the fret 4 of the A string
Place your ring finger (3) on the fret 4 of the G string
Place your pinky finger (4) on the fret 4 of the B string

Position 3 Barre Movable

Finger Positions

Place your index finger (1) on the fret 8 of the A, G and B strings at the same time
Place your middle finger (2) on the fret 9 of the low E string
Place your ring finger (3) on the fret 9 of the D string
Place your pinky finger (4) on the fret 9 of the high E string

Find more shapes in our all guitar chords online library. If you prefer a printable pdf, download the Free Guitar Chords Chart Pdf

Play This Chord With Other Roots

C 9b5 | D 9b5 | E 9b5 | F 9b5 | G 9b5 | A 9b5 | B 9b5 | C#9b5 | D#9b5 | F#9b5 | G#9b5 | A#9b5 | Ab9b5 | Bb9b5 | Db9b5 | Eb9b5 | Gb9b5

Want to Learn Everything About Chords?

Check Chords Domination out: a unique ebook that shows you finger positions, note names and intervals in the chords (plus a tones fretboard maps)

You'll learn how to play 44 chords types across all the fretboard, with many voicings and fingerings

In the ebook you can also find maps show you the tones in a chord all along the fretboard. They are incredibly helpful because allow you to:

Create new voicings on the fly, across all the neck
Improvise targeting the right notes
Unlock the fretboard and expand the CAGED system.

In the new ebook, Chords Domination, you'll find the fretboard tones maps for 44 different qualities of chords. Check it out:

Download Free Excerpt Learn More Here

Created by

Giancarlo Facoetti

Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher

FAQ

What defines a C# 9b5 chord?

The C# 9b5 is a complex Dominant Chord defined by its specific notes: C#, E#, G, B, and D#. Its unique structure consists of the intervals 1 (root), 3 (major third), b5 (flattened fifth), b7 (minor seventh), and 9 (ninth).

Why is the C# 9b5 considered a Dominant Chord?

The C# 9b5 chord belongs to the Dominant Chords family, sharing fundamental characteristics and a specific interval structure with other dominant chords, notably including a major third and a minor seventh.

What do the '9' and 'b5' in the C# 9b5 chord name signify?

The '9' indicates the inclusion of a ninth interval above the root, which is an extension beyond a basic dominant chord. The 'b5' means the fifth degree of the scale is flattened (lowered by a semitone), contributing to the chord's unique altered sound.

How do the notes C#, E#, G, B, and D# correspond to the C# 9b5's interval structure?

For the C# 9b5 chord, C# is the root (1), E# is the major third (3), G is the flattened fifth (b5), B is the flattened seventh (b7), and D# is the ninth (9). These notes precisely form the chord according to its theoretical construction.

What level of guitarist is the C# 9b5 chord appropriate for?

The C# 9b5 chord is not recommended for beginners. It is considered an intermediate to advanced chord, requiring a solid understanding of music theory, chord construction, and general guitar playing experience.