Hohner DIATONIC 580/20 MS MEISTERKLASSE 10 HOLES AB LAB

Meisterklasse: the flagship diatonic of Hohner's MS series

Alongside its classic Richter harmonicas, Hohner has developed models designed to meet specific playing, sound, and comfort needs. The MS (Modular System) series embodies this approach: an integrated design where components are interchangeable within the range, convenient for maintenance, part replacement, and fine-tuning the instrument to your touch.
Within this world, the Meisterklasse stands out as the flagship model of the MS diatonics: refined finish, premium materials, and thoughtful ergonomics. Its reputation is as much due to its timeless aesthetic as to its ability to deliver a clear, bright, and very articulate sound, especially appreciated for fast runs and high registers.

For which musician and styles?

This Hohner Meisterklasse is aimed at intermediate to advanced harmonica players seeking a precise, responsive, and durable instrument, as well as stage musicians wanting a comfortable and stable diatonic. The Richter tuning makes it immediately familiar if you already play a 10-hole diatonic: blow/draw chords, expressive phrasing, and the possibility to reach missing notes via bending.
The Ab (A flat) key is an excellent choice to vary colors, work specific positions, or play in repertoires where this key is essential. It naturally suits blues, rock, folk, and pop music, with a character often perceived as rounder and more singing in certain registers.

Sound and design

With its aluminum comb, the Meisterklasse offers a very direct feel: the attack is clear, response quick, and the grip particularly stable. The 1.05 millimeter brass plates contribute to good vibrational efficiency of the reeds, resulting in solid projection and easy sound production, especially when executing fast articulations.
The chrome covers with an ergonomic profile, without side openings, promote a more focused and homogeneous sound while enhancing comfort on contact. The result: a bright and clear timbre, good note clarity, and appreciable uniformity across registers, ideal for melodic lines, fast runs, and precise playing in the upper part of the instrument.

Diatonic or chromatic

A diatonic harmonica is designed around a given key: it facilitates the production of chords by blowing and drawing, and allows access to certain additional notes through reed interaction (bending), an essential signature of blues. A chromatic harmonica, on the other hand, provides access to all notes via a mechanism (slide) and is more versatile in highly modulating contexts.
This model is indeed a 10-hole diatonic in Ab (A flat), with Richter tuning : the ideal choice if you seek the grain, chords, and expressiveness typical of diatonics, with a high-end finish.

Recommended compatible accessories

To preserve the shine of the covers and limit oxidation, a microfiber cloth is essential. Also consider a protective storage solution (pouch or case) to avoid shocks and dust during transport.

Technical specifications

Tone	A	Color	Grey
Number of holes	10.0000

Type	Diatonic	Length	10.5 cm
Tuning	Richter	Reed plates	brass, 1.05 mm thick
Number of reeds	20	Covers	chrome-plated, ergonomic, without side openings
Key	Ab/A-flat	Range (blow)	Hole 1 Ab3, Hole 2 C4, Hole 3 Eb4, Hole 4 Ab4, Hole 5 C5, Hole 6 Eb5, Hole 7 Ab5, Hole 8 C6, Hole 9 Eb6, Hole 10 Ab6
Mouthpiece coating	Aluminium	Range (draw)	Hole 1 Bb3, Hole 2 Eb4, Hole 3 G4, Hole 4 Bb4, Hole 5 Db5, Hole 6 F5, Hole 7 G5, Hole 8 Bb5, Hole 9 Db6, Hole 10 F6