Playable, correctly spelled, and not how the chord is normally voiced. Right now this is the shapes that put a ninth, eleventh or thirteenth below the root.
Ebmaj13 is Eb, G, Bb, D, F and C — Ebmaj9 with the thirteenth on top, and the eleventh left out.
It sounds full and wide open. Everything the major scale offers except the eleventh, which is left out because it fights the third.
Tonic — the major sound with most of the scale showing.

| Eb | G | Bb | D | F | C |
|---|---|---|---|---|---|
| 1 | 3 | 5 | 7 | 9 | 13 |
Also written EbM13, EbΔ13 or Eb major 13. The same chord either way; which spelling you meet depends on who wrote the chart.
Six notes and four fingers, so something has to go. Keep G and D (they fix the quality) and C and F (what the symbol is about). Let Bb and Eb go, in that order — a perfect fifth says nothing the root has not, and in a band the bass has the root.
Play Ebmaj13 as a shell — root, third and seventh — and the spare string takes the #11 (A).
All 7 common shapes as fret numbers, lowest string first. Hover or tap one to see it drawn.
How you get to it. The turn that lands on Ebmaj13 is Fm7 to Bb7 — the ii and the V of Eb — and Bb7 shares its third and seventh with Fm7, so the hand barely moves between them.
In which keys. Every note of Ebmaj13 belongs to C minor (the ♭III), Eb major (the I, the tonic), G minor (the ♭VI) and Bb major (the IV, the subdominant).
Every note of Ebmaj13 is in Eb major and Eb lydian.
Each of those is a page: the scale across the neck, and the chords it harmonises into — which is where Ebmaj13 sits in it. Every scale.
Change one note of Ebmaj13 and you have Ebmaj9 (drop the thirteenth), Ebmaj11 (the thirteenth becomes the eleventh), Eb69 (drop the major seventh) or Eb13 (the major seventh becomes the flat seventh).
Ebmaj13 is a major chord — root, major third, fifth. Major chords on every root.
The common shapes and the derived voicings come from different places, and both are explained in how this site is built.
Shows each chord the way this style would voice it, and marks which of its alternatives belong to the idiom.