Hohner M590036 Big River Harp MS in D – Diatonic Harmonica

Quick Product Summary

The Hohner M590036 Big River Harp MS in D is a versatile 10-hole diatonic harmonica combining robust construction with the expressive response expected from Hohner’s German-made MS Series. Its durable black ABS comb, 20 brass reeds and stainless-steel cover plates provide reliable, comfortable playability for folk, country, blues, rock and roots music.

Tuned to D major, this version delivers a bright, lively voice that projects clearly in both solo and ensemble settings. As part of Hohner’s MS – Modular System – Series, its comb, reed plates and cover plates can be interchanged with compatible MS components, making it a practical choice for players who value straightforward maintenance and long-term versatility.

At A Glance

Feature	Details
Brand	Hohner
Model	Big River Harp MS
Product Code	M590036
Series	MS – Modular System
Type	Diatonic Harmonica
Key	D Major
Tuning	Richter
Holes	10
Reeds	20 Brass Reeds
Comb	Black ABS
Condition	New
Best For	Folk, Country, Blues, Rock & Roots
Main Appeal	Bright D tuning, durable construction and modular MS design

What Makes the Hohner Big River Harp MS Special?

The Hohner Big River Harp MS combines accessible diatonic playability with dependable construction suited to regular practice, rehearsals and performance. Its resilient ABS comb offers consistent performance across changing temperatures and humidity levels, while 20 brass reeds provide the dynamic response required for melodies, chords, bends and expressive articulation.

Its MS Modular System adds further practicality. The comb, reed plates and cover plates are interchangeable with compatible components from other Hohner MS Series harmonicas, making servicing and component replacement straightforward. Torx screw construction also allows convenient access when routine maintenance is required.

Who Is It For?

The Big River Harp MS in D is an excellent choice for beginners, developing players and experienced musicians looking for a reliable and versatile diatonic harmonica.

Its D tuning gives it a brighter voice than a C harmonica, making it particularly effective for folk, country and melodic playing where clarity and projection are important.

For blues musicians using second-position technique, a D harmonica is commonly used for songs in the key of A.

Why Choose a Diatonic Harmonica in D?

A D major harmonica sits slightly higher in pitch than a C harmonica, producing a bright and energetic sound that can remain clearly defined alongside guitars, drums and other instruments.

D is also an extremely useful key for folk, traditional and country music, making it a versatile addition to a player's harmonica collection.

For second-position or cross-harp playing, a D harmonica is commonly used when playing blues in A.

Durable ABS Comb

The Big River Harp MS features a black ABS comb designed for dependable performance in a wide range of playing environments.

ABS does not absorb moisture in the same way untreated wood can, helping the harmonica maintain consistent dimensions and playability during regular use.

Its smooth mouthpiece surface also contributes to comfortable playing during longer practice or performance sessions.

MS Modular System

The Big River Harp is part of Hohner’s MS – Modular System – Series.

Its comb, reed plates and cover plates can be interchanged with compatible components from other MS Series models. This modular design makes replacement of compatible parts more straightforward and gives players additional flexibility when maintaining or adapting their instrument.

Responsive Brass Reeds

The Big River Harp MS uses 20 brass reeds mounted on 0.9 mm brass reed plates.

This reed system responds naturally to changes in breath pressure and articulation, giving players the control required for clear melodies, chords, bends and expressive phrasing.

Curved Stainless-Steel Covers

The stainless-steel cover plates feature a curved shape designed for comfortable handling.

Their robust construction makes the Big River Harp suitable for regular use while maintaining the familiar shape and feel expected from a traditional 10-hole diatonic harmonica.

Torx Screw Construction

The Big River Harp MS uses Torx screws for secure assembly and straightforward access during maintenance.

This complements the modular MS construction and makes the instrument a practical choice for players who want a harmonica that can be maintained over the longer term.

What's Included?

• Hohner M590036 Big River Harp MS Harmonica

• Key of D

• Hohner protective snap case

Technical Specifications

Specification	Details
Manufacturer	Hohner
Model	Big River Harp MS
Product Code	M590036
Series	MS – Modular System
Instrument Type	Diatonic Harmonica
Key	D Major
Tuning	Richter
Number of Holes	10
Number of Reeds	20
Reed Material	Brass
Reed Plate Material	Brass
Reed Plate Thickness	0.9 mm
Comb Material	ABS
Comb Colour	Black
Mouthpiece Surface	ABS
Cover Plate Material	Stainless Steel
Construction	MS Modular System
Fasteners	Torx Screws
Tonal Range	3 Octaves
Length	Approx. 10.5 cm
Country of Manufacture	Germany

FAQs

What key is the Hohner M590036 Big River Harp MS?

The Hohner M590036 Big River Harp MS is tuned to D major.

Is the Big River Harp MS suitable for beginners?

Yes. Its familiar 10-hole Richter layout, durable construction and approachable playing feel make the Big River Harp MS a strong choice for developing players.

What styles of music is the Big River Harp suitable for?

It is particularly well suited to folk, country and western-style music, while its standard diatonic layout also makes it an excellent choice for blues, rock and roots playing.

What key can I play in using a D harmonica in second position?

A D harmonica is commonly used for playing blues in A when using second-position, also known as cross-harp technique.

How does a D harmonica sound compared with a C harmonica?

A D harmonica is pitched higher than C, giving it a brighter and more lively tonal character.

What does MS mean?

MS stands for Modular System. Compatible Hohner MS Series combs, reed plates and cover plates can be interchanged for easier maintenance and component replacement.

How many holes does the Big River Harp MS have?

It features the traditional 10-hole diatonic harmonica layout.

How many reeds does it have?

The Big River Harp MS uses 20 brass reeds, providing blow and draw notes across its 10 holes.

Can notes be bent on the Big River Harp MS?

Yes. Its Richter-tuned diatonic layout allows expressive techniques including note bending, vibrato and blues-style articulation.

Does the Big River Harp MS have a wooden comb?

No. It uses a durable black ABS comb, providing excellent resistance to moisture and environmental changes.

What is the advantage of an ABS comb?

ABS is moisture resistant and maintains consistent dimensions during regular playing, making it practical for practice, rehearsals, travelling and live performance.

Is the Big River Harp MS chromatic?

No. It is a diatonic harmonica using Richter tuning and does not feature the slide mechanism found on chromatic harmonicas.

Is the Big River Harp MS easy to maintain?

Yes. Its Torx screw construction and modular MS design make access and compatible component replacement straightforward.

Does the Big River Harp MS come with a case?

Yes. A practical Hohner protective snap case is included for storage and transport.

Where is the Hohner Big River Harp MS made?

Hohner’s MS Series harmonicas are made in Germany.

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