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STANDARD EADGBEโ—†DROP D (DADGBE)โ—†DROP Cโ—†HALF-STEP DOWN (Eb)โ—†DADGAD CELTICโ—†OPEN Gโ—†OPEN Dโ—†4-STRING BASSโ—†5-STRING BASSโ—†UKULELE (gCEA)โ—†SUB-CENT ACCURACYโ—†SCREEN WAKELOCK ACTIVEโ—†NO APP REQUIREDโ—†100% FREEโ—†
HIGH-PRECISION WEB INSTRUMENT TUNER

Half-Step Down (Eb) Tuner (Eb Ab Db Gb Bb Eb)

Every string tuned down one semitone (Eb Ab Db Gb Bb Eb) for warmer acoustic timbre and easier bends.

โ–ผ
CALIBRATION:
A4 = 440 Hz
Turn on tuner or tap any peg
-50ยข-25ยขโ—† 0ยข+25ยข+50ยข
โ€“
โ—--cents
--Hz
Standard Guitar (E ยท A ยท D ยท G ยท B ยท E)
Studio Oscilloscope โ€ข Real-Time PCM
VU LEVEL
-60-36-24-12-60 dB
-โˆž dB
Screen Awakeโ€ขBuffer: 2048
HEADSTOCK STYLE
GTPRO#6E2#5A2#4D3#3G3#2B3#1E4

Tap any peg to hear reference tone or pin string

EXACT PITCH FREQUENCIES

Half-Step Down (Eb) String Notes & Hertz

Exact acoustic frequencies for each string in Half-Step Down (Eb) at standard concert pitch (A4 = 440 Hz).

StringNoteScientificTarget FrequencyReference Pluck
#6D#Eb277.78 Hz
#5G#Ab2103.83 Hz
#4C#Db3138.59 Hz
#3F#Gb3185.00 Hz
#2A#Bb3233.08 Hz
#1D#Eb4311.13 Hz
TUNING INSTRUCTIONS

How to Tune to Half-Step Down (Eb)

Follow these sequential steps to safely adjust your peg tension into Half-Step Down (Eb).

1

Tune 6th string down to Eb2 (77.78 Hz).

2

Tune 5th string down to Ab2 (103.83 Hz).

3

Tune 4th string down to Db3 (138.59 Hz).

4

Tune 3rd string down to Gb3 (185.00 Hz).

5

Tune 2nd string down to Bb3 (233.08 Hz).

6

Tune 1st string down to Eb4 (311.13 Hz).

EXPLORE SIBLING TUNINGS

More Guitar Tunings

View All Guitar Tunings โ†’
Standard Guitarโ†’
E A D G B E

The universal concert tuning used across rock, pop, acoustic, blues, and classical guitar.

Drop Dโ†’
D A D G B E

The 6th string is dropped one whole step from E down to D, enabling fast one-finger power chords.

Drop Cโ†’
C G C F A D

All strings tuned one full step down, with the 6th string dropped an additional whole step to C.

D Standard (Full Step Down)โ†’
D G C F A D

Every string lowered by one full whole step (D G C F A D) for dark, heavy chords.

DADGAD (Celtic Tuning)โ†’
D A D G A D

Modal D suspended tuning renowned for open, ringing acoustic harmonies in Celtic and fingerstyle folk.

Open G Tuningโ†’
D G D G B D

Strumming all open strings produces a pure G major triad. The definitive sound of the Rolling Stones.

Open D Tuningโ†’
D A D F# A D

An open strum rings out a full D major chord (D A D F# A D). Standard for blues slide guitar.

Open E Tuningโ†’
E B E G# B E

Open strum produces an E major chord. Duane Allman / Derek Trucks slide signature.

Open C Tuningโ†’
C G C G C E

An expansive open tuning sounding a deep C major triad (CGCGCE), favored for lush acoustic fingerstyle and drone acoustic.

Double Drop Dโ†’
D A D G B D

Both the 1st and 6th outer strings are dropped one whole step to D, creating a symmetrical D-A-D-G-B-D tuning.

C Minor 11 (Cm11)โ†’
C G C Eb G Bb

An evocative modal minor tuning (C G C Eb G Bb) creating an open C minor 11 chord with haunting, cinematic overtones.

7-String Guitar Standardโ†’
B E A D G B E

Standard seven-string guitar tuning (BEADGBE) adding a heavy low B fifth below standard low E.

12-String Guitar Standardโ†’
eE aA dD gG BB EE

Standard twelve-string acoustic/electric concert tuning with octave pairings on the lower 4 courses and unisons on the top 2 courses.

QUESTIONS & ANSWERS

Half-Step Down (Eb) Frequently Asked Questions

Why do so many rock bands tune down a half-step?โ–ผ

It reduces string tension for effortless string bending, warms up the guitar tone, and matches vocal ranges for singers like Jimi Hendrix, Kurt Cobain, and Axl Rose.