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Bass Guitar Chord & Arpeggio Guide

A Diminished Bass Chord

Master the A dim chord on 4, 5, and 6-string bass with fretboard diagrams, interactive BPM looper, and TAB.

🎹 Open in Simple Learning

4-String Bass Arpeggio TAB & Notation

G|-------0--6---|
D|----2---------|
A|-4------------|
E|--------------|

Chord Tones & Degree Formula

Chord Tones: A - C - D#

1
A
Interval: +0st
♭3
C
Interval: +3st
♭5
D#
Interval: +6st

Interactive Fretboard Chart

Filter:

Golden badges mark the root; purple badges show active chord tones.

Nut
1
2
3
4
5
6
7
8
9
10
11
12
G
A
C
D#
D
D#
A
C
A
A
C
D#
A
E
A
C
D#

Musical Role & Bass Application

Character: Tense, unsettled, and leading.

Bass Application: Passing diminished bass lines, vii° in major keys, and chromatic tension.

Frequently Asked Questions

What notes are in the A Diminished bass chord?

The chord tones of the A Diminished bass chord are: A - C - D#. The formula is: 1 - ♭3 - ♭5.

How do bassists use Diminished chords in basslines?

Tense, unsettled, and leading. Passing diminished bass lines, vii° in major keys, and chromatic tension.

How can I practice this bass chord across 4, 5, and 6 strings?

Toggle between 4-string, 5-string, and 6-string fretboards on this page, or launch Basnote Simple Learning for real-time Web MIDI input and note-role grading.