Adim♭5

A diminished, flat fifth

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MSK 007 Leapfrog VCF (patch; see in online store)
MSK 009 Coiler VCF (patch; see in online store)

Equivalent chord symbols: Am4, C2+6, B♯2+6, C2+13, C2+♭7, B♯2+13.

Notes in this chord: A, C, E♭♭. Integer notation: {0, 2, 9}.

Keys in which this chord fits with enharmonic spelling: CM, FM, GM, B♭M, E♯M, A♯M, B♯M, Dm, Em, Gm, Am, F♭m

Nearby chords (one less note): C2, D5, F-1.

Nearby chords (one more note): D7, F6, Am+4, A4+♯2, Am4+2, Adim+4, C2+6+7, A♭♭5+♯1, Gsus4+2.

Parallel chords (same structure, different root): Cdim♭5, Ddim♭5, Edim♭5, Fdim♭5, Gdim♭5, Bdim♭5, C♭dim♭5, D♭dim♭5, E♭dim♭5, F♭dim♭5, G♭dim♭5, A♭dim♭5, B♭dim♭5, C♯dim♭5, D♯dim♭5, E♯dim♭5, F♯dim♭5, G♯dim♭5, A♯dim♭5, B♯dim♭5.

Experimental fretting charts for guitar standard EADGBE tuning (change tuning or instrument):

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