What does MS stand for in Hohner harmonicas?

MS stands for Modular System. This refers to a specific design by Hohner where all components including the comb, reed plates, and cover plates are interchangeable across the MS product line.

What is the benefit of the ABS plastic comb?

The ABS plastic comb is highly durable and resistant to moisture. Unlike traditional wooden combs, it will not swell, shrink, or crack when exposed to humidity or saliva during play.

Why does the Pro Harp MS lack side vents?

The lack of side vents is intended to direct all produced sound forward. This design is beneficial for stage performers as it focuses the volume toward the audience or a dedicated microphone.

Can I use parts from a Hohner Blues Harp on a Pro Harp?

Yes, provided the Blues Harp is part of the MS (Modular System) series. You can swap the wooden comb from a Blues Harp MS into the Pro Harp MS chassis.

How does the black coating affect the instrument?

The black coating on the cover plates is primarily aesthetic, offering a sleek 'rock' look. It also provides a specific tactile feel compared to standard polished stainless steel.

Is the Hohner Pro Harp MS suitable for beginners?

Yes, it is suitable for players of all levels. The plastic comb makes it easier for beginners to maintain, as it is more forgiving than wood-based instruments.

What key is this specific model tuned to?

This specific model is tuned to the key of Ab (A-flat). It is used for playing in Ab in first position or Eb in second position (cross harp).

How do the Big River covers differ from the Pro Harp covers?

Big River cover plates have a more curved, ergonomic shape. Because they are part of the MS system, they can be installed on a Pro Harp if a player prefers that specific grip.

What is the typical price for a Hohner Pro Harp MS?

The typical retail price for this harmonica is approximately £39. Prices may vary slightly depending on the retailer and current shipping costs.

Can the reed plates be replaced on this model?

Yes, one of the primary advantages of the Modular System is that the reed plates are easily replaceable. This allows you to repair the instrument if a reed goes out of tune without buying a new harmonica.

Is this harmonica airtight?

Yes, the Pro Harp MS is designed for high airtightness. The precision-fit ABS comb and screw-mounted plates ensure minimal air loss during performance.

How does this compare to a Meisterklasse harmonica?

The Pro Harp uses an ABS comb, whereas the Meisterklasse features a premium aluminium comb. However, because both are MS models, you can upgrade a Pro Harp with Meisterklasse components later.

Gear article

Hohner Pro Harp MS Harmonica

The Hohner Pro Harp MS is a professional-grade 10-hole diatonic harmonica featuring a distinctive black-coated finish and a modular construction system. Part of the Modular System (MS) series, it is designed for durability and customisation, particularly suited for rock and blues performance.

See live prices

Design and Construction

The Hohner Pro Harp MS is defined by its robust construction and aesthetic appeal. It features stylish black-coated cover plates that provide a unique look compared to traditional chrome models. The core of the instrument is an ABS plastic comb, which offers significant advantages over traditional wood as it will not swell, warp, or crack when exposed to varying levels of humidity or moisture from breath.

A key design choice is the omission of side vents on the cover plates. This design directs the entirety of the sound forward, making it particularly effective for players who use microphones or require maximum projection toward an audience.

The Modular System (MS)

The 'MS' in the product name stands for Modular System, a concept introduced by Hohner to allow for total interchangeability of components. This system enables players to customise their instrument by mixing and matching parts from other MS-series harmonicas. For example:

Combs: The standard ABS comb can be replaced with a wooden Blues Harp comb or a premium aluminium Meisterklasse comb.
Cover Plates: Players seeking a different ergonomic feel can swap the Pro Harp covers for the curved designs found on the Big River model.
Reeds: Reed plates can be replaced individually, extending the life of the instrument without requiring the purchase of a completely new harmonica.

Sound Character and Performance

The Pro Harp MS is noted for its powerful and direct tone. The combination of the airtight ABS comb and the unvented cover plates results in a focused sound profile. It is widely considered a 'rock' harmonica due to its ability to handle high pressure and its aggressive, matte-black aesthetic. In the key of Ab, the instrument provides a rich, mellow low end while maintaining the brightness necessary for lead lines.

Comparison to Alternatives

Within the Hohner ecosystem, the Pro Harp MS sits as a more modern, durable alternative to the classic Marine Band. Unlike the Fender Blues Deluxe Harmonica, which often targets entry-level players, the Pro Harp is positioned for consistent professional use. While other hand percussion or melodic instruments like the Sonor Orff NG31 Glockenspiel or Meinl Planetary Tuned Singing Bowls offer different harmonic textures, the Pro Harp remains a portable, high-impact choice for soloists.

Related gear

Frequently asked questions

What does MS stand for in Hohner harmonicas?: MS stands for Modular System. This refers to a specific design by Hohner where all components including the comb, reed plates, and cover plates are interchangeable across the MS product line.
What is the benefit of the ABS plastic comb?: The ABS plastic comb is highly durable and resistant to moisture. Unlike traditional wooden combs, it will not swell, shrink, or crack when exposed to humidity or saliva during play.
Why does the Pro Harp MS lack side vents?: The lack of side vents is intended to direct all produced sound forward. This design is beneficial for stage performers as it focuses the volume toward the audience or a dedicated microphone.
Can I use parts from a Hohner Blues Harp on a Pro Harp?: Yes, provided the Blues Harp is part of the MS (Modular System) series. You can swap the wooden comb from a Blues Harp MS into the Pro Harp MS chassis.
How does the black coating affect the instrument?: The black coating on the cover plates is primarily aesthetic, offering a sleek 'rock' look. It also provides a specific tactile feel compared to standard polished stainless steel.
Is the Hohner Pro Harp MS suitable for beginners?: Yes, it is suitable for players of all levels. The plastic comb makes it easier for beginners to maintain, as it is more forgiving than wood-based instruments.
What key is this specific model tuned to?: This specific model is tuned to the key of Ab (A-flat). It is used for playing in Ab in first position or Eb in second position (cross harp).
How do the Big River covers differ from the Pro Harp covers?: Big River cover plates have a more curved, ergonomic shape. Because they are part of the MS system, they can be installed on a Pro Harp if a player prefers that specific grip.
What is the typical price for a Hohner Pro Harp MS?: The typical retail price for this harmonica is approximately £39. Prices may vary slightly depending on the retailer and current shipping costs.
Can the reed plates be replaced on this model?: Yes, one of the primary advantages of the Modular System is that the reed plates are easily replaceable. This allows you to repair the instrument if a reed goes out of tune without buying a new harmonica.
Is this harmonica airtight?: Yes, the Pro Harp MS is designed for high airtightness. The precision-fit ABS comb and screw-mounted plates ensure minimal air loss during performance.
How does this compare to a Meisterklasse harmonica?: The Pro Harp uses an ABS comb, whereas the Meisterklasse features a premium aluminium comb. However, because both are MS models, you can upgrade a Pro Harp with Meisterklasse components later.