Open A tuning: E A E A C♯ E
The same intervals as open G, one whole step higher, with the open strings forming an A major chord. Raised strings add tension, so tune up gently.
Open A notes and frequencies
| String | Note | Frequency | Change from standard | Listen |
|---|---|---|---|---|
| 6 | E2 | 82.41 Hz | Same as standard | |
| 5 | A2 | 110.00 Hz | Same as standard | |
| 4 | E3Up a whole step | 164.81 Hz | Up a whole step | |
| 3 | A3Up a whole step | 220.00 Hz | Up a whole step | |
| 2 | C♯4Up a whole step | 277.18 Hz | Up a whole step | |
| 1 | E4 | 329.63 Hz | Same as standard |
String 6 is the lowest (thickest) string. Frequencies use A4 = 440 Hz.
How to tune to Open A from standard
- String 4: D → E (up a whole step).
- String 3: G → A (up a whole step).
- String 2: B → C♯ (up a whole step).
Tune down past the note and come back up to it: the string settles and holds pitch better. After a big change, check every string again because the neck tension shifts.
Questions
What are the notes in Open A tuning?
From the lowest (thickest) string to the highest: E A E A C♯ E.
How do I tune to Open A?
Open the Fartguitar tuner with Open A selected, allow the microphone and play one string at a time until the needle sits in the middle. You can also play each reference note on this page and match it by ear.