North Coast Synthesis Ltd.

Choose audio sample set:
MSK 007 Leapfrog VCF (patch; see in online store)
MSK 009 Coiler VCF (patch; see in online store)

Equivalent chord symbols: F7^-1+4, Adim^+♯1, Adim^+♭2, E♯7^-1+4, F11^-1-9, E♯11^-1-9.

Notes in this chord: A, C, E♭, B♭. Integer notation: {0, 3, 9, 10}.

Keys in which this chord fits with this spelling: B♭M, Gm

Keys in which this chord fits with enharmonic spelling: A♯M

Nearby chords (one less note): Adim, E♭6^-3, B♭2^+♯7, E♭sus4^♯4.

Nearby chords (one more note): F7⁺⁴, E♭6^+♯4, A♭^+2+♯1, Adim7^+♯1, Am^+♯1+♯4, Adim^+2+♯1, Adim^+4+♯1, Adim^+♯1+♯3.

Parallel chords (same structure, different root): Cdim^+♭9, Ddim^+♭9, Edim^+♭9, Fdim^+♭9, Gdim^+♭9, Bdim^+♭9, C♭dim^+♭9, D♭dim^+♭9, E♭dim^+♭9, F♭dim^+♭9, G♭dim^+♭9, A♭dim^+♭9, B♭dim^+♭9, C♯dim^+♭9, D♯dim^+♭9, E♯dim^+♭9, F♯dim^+♭9, G♯dim^+♭9, A♯dim^+♭9, B♯dim^+♭9.

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