7-string drop A tuner

Tune to 7-string drop A (AEADGBE) (A E A D G B E) with your phone or computer microphone. Press start, play a string and follow the needle.

Quick answer

7-string drop A (AEADGBE), low to high: A E A D G B E.

-
Press start, then play a string

Your browser will ask to use the microphone. Sound is processed on your device and never sent anywhere.

Strings: tap to hear the note, or to lock the tuner onto one string
Reference pitch

7-string drop A (AEADGBE): notes and frequencies

7-string drop A (AEADGBE): notes and frequencies with A4 = 440 Hz
StringNoteFrequency
7A155.00 Hz
6E282.41 Hz
5A2110.00 Hz
4D3146.83 Hz
3G3196.00 Hz
2B3246.94 Hz
1E4329.63 Hz

7-string drop A (AEADGBE) is A E A D G B E, from the lowest string to the highest. The 7th string drops a whole step from B to A, giving one-finger power chords in A.

How to tune

  1. Press Start tuner and allow the microphone.
  2. Play one string at a time and let it ring.
  3. Tune up if the needle sits left of center and down if it sits right. The note turns green within 3 cents.

Other tuners

Tuners for every setup

A clip-on works anywhere. A pedal tuner mutes your signal on stage.

As an Amazon Associate GuitarMath earns from qualifying purchases. How we choose gear.

Last updated November 14, 2026.