RESONANCE clarinets are the result of a lifetime passion dedicated to enhancing this instrument that has fascinated the greatest composers. The three protagonists who have combined their talents to accomplish this project are René Hagmann, master clarinet maker in Geneva (Servette-Music), backed up with the expertise of the famous international clarinet soloist François Benda, Professor at the Berlin and Basel Academies, and the renowned Bamberg master clarinet maker Jochen Seggelke (Seggelke clarinetten).

These instruments are based on a fully optimized Boehm system. They include numerous acoustic and ergonomic improvements, inspired by the work of Ernst Schmidt and many other craftsmen, drawing on both German and French clarinet culture. The know-how and extensive experience of our craftsmen in the top-of-the-range field have resulted in exceptional new keywork, durable, comfortable with unparalleled acoustic evenness.

Each instrument is handcrafted from the finest components. Every effort is made to ensure long-lasting durability for daily professional use. The standard model is available in top-quality grenadilla and mopane as an option.

The performer will be pleasantly surprised by the homogeneity of intonation, timbre and emission. The application of several resonance holes, including the Bb throat, ensures perfect regularity of expression in all registers and on all notes. The player will discover new, comfortable playing options, including articulated B’/C# and an alternative Eb’/Bb”’, an unprecedented creation.

Maintenance is also facilitated by the unique system of setting- screws of unparalleled reliability, enabling easy adjustment between related keys.

When purchasing your new RESONANCE clarinet, you’ll have the option to try several different bells to optimize your choice, as well as the ideal set of barrels in terms of sound, flexibility and emission. A new “UNI” thumb rest system completes this exceptional RESONANCE clarinet.

RESONANCE® clarinet: technical specifications

Entirely handcrafted custom instrument: wood selection, bore, keys, assembly and tuning

1st choice grenadilla (Dalbergia Melanoxylon from Central Africa) body, bell and barrels, naturally seasoned for a long time, treated with linseed oil

Central tenon straddling over C-G hole

Carbon reinforcements

8 protruding holes (ebonite lined)

Nickel silver keys with double silver plating

“Quartz Resonanz” (special silicone) and “Olarte” (carbon + skin) pads

Special stainless-steel springs

Intonation from 440 to 443 Hz

Boehm fingerings and mouthpiece

Optimized Boehm-style bore

5 automatic resonance holes

Integrated articulated E-F# and B’-C# keys

F#’-C#” cadence key with elongated finger touch piece

Alternative Eb’-Bb”, new fingering using left index finger only

Clear “Schmidt “ Bb’

New designed pin-mounted key joints (no pointed screws)

Water-free cadence key holes

16 special, exclusive hi-tech adjustment screws

MOPANE OPTION

1st choice Mopane body (Colophospermum, from Southern Africa), naturally seasoned for a long time, treated with linseed oil

Gold-plated nickel silver keys

Integral clear Bb’

C”-Eb” rolls

Choice of various barrels and bells

Custom orders welcome

The course of René Hagmann and the team behind the first RESONANCE® clarinet

The story began nearly forty years ago, with the help of talented and passionate clarinetists such as François Benda, René Meyer, Michel Westphal, Émile Delrieu, Aart Rozeboom, Thomas Friedli, Curzio Petraglio and Bruno Martinez.

One of the first major projects, supported by Geneva soloist and pedagogue René Meyer, was the creation of an automatic mechanism to obtain a clear B flat. After numerous versions, one was patented and adopted by Buffet Crampon for their basset-horn, alto clarinet and student bass clarinet, still in production today.

As for the RESONANCE clarinet, the standard version is the legacy of the clear B flat designed by E. Schmidt (1912 patent), based on a coaction system. Since 2005, René Hagmann has offered an optional “integral clear B flat”, which separates the function of the B flat hole from that of the twelfth hole, making them independent.

Since 1992, inspired by E. Schmidt’s Boehm Reform system (1910-1935), René Hagmann applied his experimentation to instruments from the French school, with convincing results. These results were confirmed by an acoustic analysis conducted by the EPFL (Swiss federal institute of technology – Lausanne) under the direction of Mario Rossi and Pierre-Alain Bionda. The study revealed notable improvements: a clearer B flat, better overall intonation, and increased resonance of the seventh ring and key n°6.

Buoyed by his success, René Hagmann continued to apply resonance holes to modern French instruments, improving their intonation and sound homogeneity. Since 1990, he has modified numerous instruments for musicians interested in these acoustic innovations.

At the same time, he has designed various basset horn low joints, notably for the Zurich Opera (Mozart’s La Clemenza di Tito, with M. Leutold) and for the Orchestre de la Suisse Romande (soloist: Michel Westphal). He has also made an A basset clarinet for François Benda.

At the “Clarinet in 1800” symposium in Basel in 2002, René Hagmann and François Benda presented their analyses of the Oehler and Boehm systems, and their proposals for improvements to the modern clarinet. It was also in this year that the RESONANCE® project was born, in partnership with François Benda and Jochen Seggelke.

In 2005, he introduced a correction system for the bass (F and E), inspired by the German method and applied to instruments from the French school.

 

In 2009, he was awarded the Prix de l’Artisanat de la République et Canton de Genève (Geneva Crafts Award), followed in 2016 by the Prix de l’Entreprise Formatrice Genevoise (Geneva Training Company Award), in recognition of the transmission of his knowledge to his collaborators and apprentices.

In 2013, he created an emission and intonation correction system for high E flat, applicable to standard instruments. Since 2015, his innovations concerning B flat and “Schmidt” corrections, including the “Swiss Skill” system, have given rise to numerous concrete applications.

At the end of 2017, Buffet Crampon decided to equip their prestigious Tosca bass clarinets with the Schmidt B-flat system, developed at Servette-Music.

Today, in collaboration with Jochen Seggelke’s workshop in Bamberg, René Hagmann hand-makes RESONANCE® clarinets, the culmination of long years of research and fruitful dialogue with François Benda and Jochen Seggelke. A passionate master craftsman, he listens carefully to his customers and continues to explore new ways to develop the clarinet.

Jochen Seggelke's course to the first RESONANCE® clarinet

Born in Munich in 1964, Jochen Seggelke grew up in the Black Forest, where he discovered various musical genres through brass ensemble playing and the tutoring of several clarinet teachers.

From 1984 to 1989, he studied at the Hochschule für Musik in Heidelberg-Mannheim under the guidance of Professor Hans Pfeifer. During this period, he performed as a substitute clarinetist in several orchestral ensembles, including the Mannheim and Stuttgart Opera orchestras. After graduating, he became a clarinet teacher at the Municipal School of Music in Weil am Rhein, while deepening his knowledge of historical clarinet interpretation with Pierre-André Taillard. He then joined renowned ensembles such as the Concerto Köln and the Akademie für Alte Musik Berlin, while founding several chamber music ensembles. These include CLARIMONIA, which still exists today and regularly coordinates concerts, workshops and recordings (Bremen Radiohall Records).

Jochen Seggelke has been making clarinets since 1992. He started out in Guntram Wolf’s workshop in Kronach, before setting up his own workshop in 1994. In 1996, he co-founded the company Schwenk & Seggelke with Werner Schwenk, which he has run alone since 2009. Initially focused on the reproduction of historical models, his work is now oriented towards the creation of clarinets of his own design, of German and French obedience, in every conceivable size and tonality, which now make up the bulk of his production.

His development work is distinguished by collaborations with some of the greatest contemporary clarinetists, such as Charles Neidich, Ernesto Molinari, François Benda and Shirley Brill.

Since 2002, he has been collaborating with René Hagmann on the design and development of RESONANCE® clarinets.

As of 2021, Jochen Seggelke has been at the helm of Seggelke GmbH & Co. KG. Recent innovations include a new range of German clarinets for students, developed in partnership with F.A. Uebel and marketed exclusively under the “Seggelke-Line” brand.

François Benda's background

Born in Brazil, the Swiss clarinetist François Benda comes from a famous family of musicians. After extensive musical studies (clarinet, composition, conducting) in Graz, Vienna and Geneva, he made a brilliant solo debut in 1988 at the Zürich Tonhalle and the Geneva’s Victoria Hall.

Since 1991, when he was awarded the prestigious Italian Press Prize “Premio Internationale per le Arti dello Spettacolo Gino Tani” in Rome, he has performed in the world’s renowned concert halls (Berlin Philharmonic, Vienna Musikverein, Concertgebow Amsterdam, Wigmore Hall London, Tonhalle Zurich, Cologne Philharmonic, Hercules Saal Munich) and as soloist with leading orchestras (Symphonieorchester des Bayerischen Rundfunks, WDR Sinfonieorchester Köln, Sinfonieorchester Basel, Wiener Kammerphilharmonie).

His extensive discography (for the ECM, Fono, EPU, Hänssle and Genuin labels) includes the complete works for clarinet by Johannes Brahms, as well as works for clarinet and orchestra by Nielsen, Debussy, Busoni and Rossini. He has also recorded a CD dedicated to Robert Schumann for the composer’s 200th birthday, as well as a CD dedicated to French music entitled “Clarinette à la carte”. Finally, he recorded K.Pendercki’s complete works for clarinet and orchestra, commemorating the composer’s 85th birthday, as well as W.A. Mozart’s clarinet concerto for the Artist Consort edition with a basset clarinet developed for that purpose.

François Benda devotes himself to both the classical and contemporary repertoires, both as a clarinetist (collaboration and first performances of works by Heinz Holliger, Elliott Carter, Luciano Berio, Krystof Penderecki, Bernhard Lang, Wolfgang von Schweinitz) and as a conductor.

As a soloist and much sought-after chamber musician, he performs at numerous international festivals such as Berliner Festwochen, Styriarte, Musicades Lyon, Ittinger Pfingstkonzerte, Accademia Filarmonica Romana and others, as chamber music partner to Heinz Holliger, Paul Badura-Skoda, Bruno Giuranna, Isabelle Faust, Josef Silverstein and Bruno Canino.

François Benda is also an internationally renowned teacher of his instrument and of chamber music. He is a titular professor at the Berlin University of the Arts, and teaches at the Basel University of Music, as well as at the ¨Conservatorio della Svizzera Italiana¨ in Lugano.

Since 2002, he has been collaborating with René Hagmann and Jochen Seggelke on the design and development of RESONANCE® clarinets.

Resonance clarinets: the general concept

With a choice of various options, the instruments are all built individually, one by one, by hand. This traditional, uncompromising construction method ensures the highest quality, reliability and durability.

The addition of 5 resonance holes and the new chromatic configuration of the resonance holes gives the instrument unprecedented homogeneity of sound and controlled intonation. The fingering remains the standard Boehm system, with sound generated by a standard French-style mouthpiece (Vandoren, Selmer, etc.).

As the result of many years’ experience, René Hagmann has designed a new keywork and a new harmonization of these resonance holes, making the instrument very homogeneous and providing the musician with new sensations of playing comfort.

Long lasting seasoning combined with linseed oil treatment, the bodies are made of grenadilla or, as an option, premium quality mopane. The silver-finish nickel silver keys are exclusively hinge-mounted (no pointed screws).

Being the result of research and manufacturing expertise, the bore was designed by Jochen Seggelke (Seggelke Klarinetten). An excellent clarinetist, he is an expert designer of French, German and Austrian systems, as well as historical instruments.

Resonance clarinets: unique acoustic innovations

The concept of multiple resonance holes has been applied to optimize timbre homogeneity, emission and intonation ratios. The standard Schmidt-type clear Bb, or the optional Hagmann integral clear Bb, promotes precise 12th-note ratios and a homogeneous throat Bb. This optimized system allows all the special fingerings to be habitually used, but no longer necessarily.

A new alternative fingering option for Eb”/’B” is integrated: these two notes are obtained by simultaneously pressing the left index finger on its ring added to the new roll, moving the finger slightly forward. This fingering only monopolizes the left index finger, freeing the other fingers for easier access before or after any other fingerings. The quality of sound and intonation of both notes is very good, both in the fundamental tones and in their 12th, and, with a little practice, many situations are facilitated by this new fingering.

The emplacement of the G throat hole is off-axis, and its new position and length are now optimized.  This “open” G is now in harmony with its register. This creation is the result of research by Jochen Seggelke.

The F# of the left thumb hole is backed up by a resonance hole, giving it a quality identical to that obtained with the second cadence key. This feature helps harmonize the throat notes.

The application of the “Acton” resonance key to the 3-ring key makes the sound of the B’-Fa#” and the high Eb”’ very homogeneous, a creation by E. Schmidt revisited by Jochen Seggelke.

Finally, the new emplacement of the central tenon on the “C‘/G’’ hole optimizes the acoustic distribution of the ‘D’/A‘’ resonance holes, as well as the emplacement of the ‘C#’/G#‘’ hole. In this way, the holes are positioned according to acoustic logic rather than the historical emplacement of the tenon, resulting in a unique homogeneity.

Many holes are protruding. This aids sound homogeneity due to pads tightness, while making them impossible to moisture.

Resonance clarinets: exclusive ergonomic innovations

Thanks to a different approach, all the left little finger keys (except C#-G#, key 6) are articulated in similar, more ergonomic movements. The Eb lever is integrated in the same way and has a very accessible shape.

A slight angular offset between the two bodies enhances comfort. With the same aim in mind, the choice was made for slightly rounded, semi-large rings.

The cadence keys can be accessed individually or in pairs, enabling new, subtle combinations. The specific design of the second cadence key makes it more specifically accessible for high C# and several other applications. All cadence key holes are above the so called “water line”.

The articulated mechanism of the E/Fa# low and B/Do# medium, supplied as standard, does away with the difficult so-called “scissor” fingerings and allows only one finger to be used instead of two.

Optional:
Rolls on C-sharp for the right hand little finger, in the Boehm Reform style.

Resonance clarinets: numerous technical innovations

The central tenon on the “C/G” allows ideal positioning for all emplacements, as well as the axes of the cadence keys. This new tenon is stabilized by two Rubco rings (a special, highly reliable agglomerated cork), giving it good tightness between the two bodies.

The adjustment studs are fitted with rational, stable screws with a large contact surface (designed by Hagmann/Seggelke).

Needle and flat springs are made of special stainless steel, for exceptional durability.

The keywork is fully articulated on long hinges, with stainless steel axes for extreme durability (Seggelke design).

The wood reinforcement rings are made of carbon. The padding is high-tech mixed, durable and silent. The thumb hump is made of hard-wearing Delrin®. Lastly, the 12th hole hump is screwed in for easy maintenance.

The pitons are made of stainless steel, with anti-noise O-rings (Hagmann design).

The E/B and F/C connections are easily adjustable by means of adjusting pins, offering great stability and no “crow’s feet”.

René Hagmann
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