Techniques
Power chords are often performed within a single octave, as this results in the closest matching of overtones. Octave doubling is sometimes done in power chords. Power chords are often pitched in a middle register. If they are too low, they tend to sound unclear and boomy. When played too high they lack depth and power.
Shown are four examples of an F5 chord. A common voicing is the 1-5 perfect fifth (A), to which the octave can be added, 1-5-1 (B). A perfect fourth 5-1 (C) is also a power chord, as it implies the "missing" lower 1 pitch. Either or both of the pitches may be doubled an octave above or below (D is 5-1-5-1), which leads to another common variation, 5-1-5 (not shown).
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