C Minor 11 (Cm11) Tuner (C G C Eb G Bb)
An evocative modal minor tuning (C G C Eb G Bb) creating an open C minor 11 chord with haunting, cinematic overtones.
Tap any peg to hear reference tone or pin string
C Minor 11 (Cm11) String Notes & Hertz
Exact acoustic frequencies for each string in C Minor 11 (Cm11) at standard concert pitch (A4 = 440 Hz).
| String | Note | Scientific | Target Frequency | Reference Pluck |
|---|---|---|---|---|
| #6 | C | C2 | 65.41 Hz | |
| #5 | G | G2 | 98.00 Hz | |
| #4 | C | C3 | 130.81 Hz | |
| #3 | D# | Eb3 | 155.56 Hz | |
| #2 | G | G3 | 196.00 Hz | |
| #1 | A# | Bb3 | 233.08 Hz |
How to Tune to C Minor 11 (Cm11)
Follow these sequential steps to safely adjust your peg tension into C Minor 11 (Cm11).
Drop 6th string two full steps down to C2 (65.41 Hz).
Drop 5th string one full step down to G2 (98.00 Hz).
Drop 4th string one full step down to C3 (130.81 Hz).
Lower 3rd string two full steps to Eb3 / D#3 (155.56 Hz).
Drop 2nd string two full steps down to G3 (196.00 Hz).
Drop 1st string two and a half steps down to Bb3 / A#3 (233.08 Hz).
More Guitar Tunings
The universal concert tuning used across rock, pop, acoustic, blues, and classical guitar.
The 6th string is dropped one whole step from E down to D, enabling fast one-finger power chords.
All strings tuned one full step down, with the 6th string dropped an additional whole step to C.
Every string tuned down one semitone (Eb Ab Db Gb Bb Eb) for warmer acoustic timbre and easier bends.
Every string lowered by one full whole step (D G C F A D) for dark, heavy chords.
Modal D suspended tuning renowned for open, ringing acoustic harmonies in Celtic and fingerstyle folk.
Strumming all open strings produces a pure G major triad. The definitive sound of the Rolling Stones.
An open strum rings out a full D major chord (D A D F# A D). Standard for blues slide guitar.
Open strum produces an E major chord. Duane Allman / Derek Trucks slide signature.
An expansive open tuning sounding a deep C major triad (CGCGCE), favored for lush acoustic fingerstyle and drone acoustic.
Both the 1st and 6th outer strings are dropped one whole step to D, creating a symmetrical D-A-D-G-B-D tuning.
Standard seven-string guitar tuning (BEADGBE) adding a heavy low B fifth below standard low E.
Standard twelve-string acoustic/electric concert tuning with octave pairings on the lower 4 courses and unisons on the top 2 courses.
C Minor 11 (Cm11) Frequently Asked Questions
What does a C Minor 11 tuning sound like?โผ
Strumming open produces a complex, melancholic minor-eleventh harmony that rings with dark ambient depth without needing fretted notes.