Discover the "C Open Power" tuning, a truly distinctive setup for your guitar that leans into deep resonance and powerful harmonic textures. As the original description notes, while it might not be the most versatile for every musical scenario, its unique sonic character is undeniably cool and impactful, creating a full, almost orchestral soundscape.

Technical Analysis

This tuning is essentially a C major chord across all open strings (C-G-C-G-G-C), but with a twist. It features a prominent root note C (strings 6, 4, 1) and its perfect fifth G (strings 5, 3, 2) spread across multiple octaves. The sheer number of repeated notes and perfect fifths/fourths makes for an incredibly rich and resonant open sound, perfect for power chords, drone passages, and driving rhythmic parts.

The most striking feature is the dramatic drop in pitch on the 3rd string (from G3 down to G2), placing it an octave below the 2nd string (G3). This inverted relationship between the 4th (C3) and 3rd (G2) strings, where the 3rd string is actually lower than the 4th, opens up unique voicings not typically found in standard tunings. Barring across any fret will yield a robust major chord, making it excellent for slide guitar or simple, powerful chord progressions.

How to Tune to C Open Power

To achieve this deep and resonant tuning from standard EADGBe, carefully adjust each string as follows:

• String 6 (Low E): Tune down 4 semitones from E2 to C2.
• String 5 (A): Tune down 2 semitones from A2 to G2.
• String 4 (D): Tune down 2 semitones from D3 to C3.
• String 3 (G): Tune down 12 semitones from G3 to G2. This is a full octave down, so proceed with care.
• String 2 (B): Tune down 4 semitones from B3 to G3.
• String 1 (High E): Tune down 4 semitones from E4 to C4.

Important Note on String Gauge: Several strings in this tuning require significant pitch drops. Tuning down 12 semitones (a full octave) on the 3rd string, and 4 semitones on strings 6, 2, and 1, will drastically reduce string tension. For optimal playability, intonation, and to prevent excessively loose or floppy strings, it is highly recommended to consider using a heavier gauge string set, especially for strings 6, 3, 2, and 1. This will help maintain better tension and tone.

String 6: C2

String 5: G2

String 4: C3

String 3: G2

String 2: G3

String 1: C4