GUITAR TUNER

C# Standard
±0
C#
Target: 69.3 Hz
-50WAITING+50
C#69
F#92
B123
E165
G#208
C#277

How to Tune to C# Standard

Tuned down 1.5 steps. Made famous by Tony Iommi of Black Sabbath.

Step-by-Step Instructions:

  1. Start with the 6th string. Tune it to C#2 (69.3 Hz).
  2. Start with the 5th string. Tune it to F#2 (92.5 Hz).
  3. Start with the 4th string. Tune it to B2 (123.5 Hz).
  4. Start with the 3th string. Tune it to E3 (164.8 Hz).
  5. Start with the 2th string. Tune it to G#3 (207.7 Hz).
  6. Start with the 1th string. Tune it to C#4 (277.2 Hz).

String Tension & Setup Tips

Recommended Gauge:.011 or .012 strings.

Frequency Table

StringNoteFrequency
String 6C#269.30 Hz
String 5F#292.50 Hz
String 4B2123.47 Hz
String 3E3164.81 Hz
String 2G#3207.65 Hz
String 1C#4277.18 Hz

Chords & Playing Tips

Doom metal riffs

Frequently Asked Questions

Why C#?
Tony Iommi used it to ease the tension on his damaged fingers.
Tony iommi master of reality tuning?
This tuning requires adjusting your strings to match the specific frequencies provided in the table above.
How to tune down 3 half steps?
This tuning requires adjusting your strings to match the specific frequencies provided in the table above.
C sharp standard string gauge?
We recommend carefully selecting string gauges to maintain proper tension across the neck.