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Rolf

IsolatHED

isolatHED Logo Farbe

Iso1

In today’s bodhrán world, tunable bodhráns using a tuning rim inside the frame are quite common. When, half a century ago, the tuning rim found its way into the bodhrán, this really changed the drum’s tonal characteristics. Before that, the wooden frame had been the only part of the drum that caused the drum skin to vibrate. Today, there are many more parts involved. Components such as reinforcement frames, tuning pegs, pressure screws, tuning screws, and holding screws influence the drum’s vibrational behavior through their own natural vibrations. Depending on construction and material, natural vibrations can build up or cancel each other out; they can become amplified or dampened. This can lead to an overall unbalanced frequency spectrum.In today’s bodhrán world, tunable bodhráns using a tuning rim inside the frame are quite common. When, half a century ago, the tuning rim found its way into the bodhrán, this really changed the drum’s tonal characteristics. Before that, the wooden frame had been the only part of the drum that caused the drum skin to vibrate. Today, there are many more parts involved. Components such as reinforcement frames, tuning pegs, pressure screws, tuning screws, and holding screws influence the drum’s vibrational behavior through their own natural vibrations. Depending on construction and material, natural vibrations can build up or cancel each other out; they can become amplified or dampened. This can lead to an overall unbalanced frequency spectrum.
A bodhrán player may notice frequency gaps when modulating the sound of the bodhrán with the skin hand. There may be certain areas in which the drum sounds dampened, empty, or “dead“. The more the overall sound of the bodhrán is influenced by the natural vibrations of its components, the higher the potential for interferences and unpredictability.

Christian Hedwitschak:

When I started making drums, I often heard that the tuning rim should have as much friction and contact with the outer frame as possible to ensure the best possible transfer of vibration. But even back then, I wasn’t so sure about that. After all, it’s the skin that is supposed to vibrate, not the frame. And since the frame is also in contact with the player’s body (arm, upper body, thigh), its vibrations are dampened anyway.

So wouldn’t it be better if the tuning rim worked as much as possible with the skin and as little as possible with the outer frame? Wouldn’t it make sense to keep the components that might interfere with the vibrations away from the vibrating system as much as possible?

Christian Hedwitschak again

When I introduced the CoreLine in 2012, this was the first time I used an inner tuning rim that didn’t have any contact with the outer frame, except for the six points where the tuning screws touched the frame. Even before that, I had already changed all my tuning systems by using one continuous inner frame instead of several individual tuning pegs. I did this to reduce the number of individual parts and different materials, and, thus, reduce the amount of natural vibration within the vibration system.

Now the contact points of the tuning screws are decoupled acoustically. This means that the tuning rim is now the only component still in direct contact with the drum skin. The result is a drum inside a drum, so to speak: First, there is the outer frame, which is in contact with the player’s body, holds the drum skin, and supports all components of the tuning system. Second, there is the independent tuning rim, which takes the sound off the drum skin like a pickup or a bridge.
How does it work? By using rubber-encased pressure screws that are embedded in the tuning rim. This preserves the possibilities of a multi-point tuning system without dampening the tuning rim or causing it to “float.”
As a result, the brilliance of sound is significantly improved, and the frequency spectrum becomes much more homogeneous. As less energy is absorbed by the main frame, there is also a measurable increase in loudness.

As of February 2018, all RWE and RWEchange models come with the isolatHED tuning system as a standard feature.

Iso1
Studies carried out at the University of Munich showed that, with the same stroke impulse, the isolated tuning frame (in this case, with a synthetic skin and a basic tone of 90hz), can generate a higher loudness (volume perceived by the human ear) (solid line) than a classic tuning frame. The diagram shows five individual strokes for the same drumskin, the same basic tone, and the same stroke impulse.

Rolf Wagels

I am always looking for a clear and defined tone in my drum. When Christian first told me about IsolatHED tuning rim, I was intrigued: could this be the next big thing? And it proved to be the next big thing, both in the laboratory testing but also when I tested it in person.

Andy Kruspe - bodhrán/percussion performer and educator:

From improved accuracy and ease of tuning to overall improvement of sound from my existing skins, the IsolatHED tuning rim has taken a great drum and made it better. This is an excellent addition to the ChangeHED system.

Martin O´Neill

Drum is very good. At first I didn't like it as it was almost too bright and didn't feel as controlled but as soon as I went into the studio it was instantly better. Open notes sound mega!! Night and day compared to the drum I was playing. I used it for 3 days in the studio and couldn't go back to the other one. So that's a clear thumbs-up from me!

Stevie Moises, tipper maker

"I was instantly convinced! The skins react even more sensitively now, tone modulation is even more precise, and the sound is even louder and clearer, too! With the new technology, I’ll be able to play even more dynamically, and as a bonus, the drum will be better heard when I’m playing with the band. All of these improvements also make a considerable difference when using a microphone. Even our sound engineer is a fan of isolatHED!"

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In addition to the isolated, rubber-coated pressure point, each isolatHED tuning frame also has a regular, traditional pressure point (the second, small black point next to it). When the tuning frame is entirely relieved and can be loosely rotated, it can be isolated either completely or partly by shifting to the relevant pressure point. This gives (experienced) players the opportunity to experience the different sound/vibration behaviour of each pressure point. In both cases, the tuning frame remains separated from the outer drum frame. Only for the traditional pressure point, there is a higher level of structure-borne sound transmission due to the tuning mechanics, which is prevented for the rubber-coated pressure point. A traditional pressure point can, for example, be useful if the drumskins are very uneven or thick. Since, however, most players perceive the entirely isolated pressure point as a considerable sound improvement, our drums are delivered with the isolatHED pressure point position. Players who aren’t that experienced don’t have to worry about the second pressure point.

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Produktfoto Agentur - RWE_001

Links

Bodhrán
bodhran.de - german forum about the Bodhrán

bodhranweekends.de - a workshop series I organise

bodhran-world.de - Guido Plüschke, bodhránplayer and teacher, part of the BodhranWeekend

bodhran-lounge.de - nice website, aimed mainly at beginners. Great instructions!

Craiceann - The bodhran summerschool on Inis Oirr. Highlight every year for  bodhránplayers from allover the world

Eamon Murray - Website of "Groove Zauberer" Eamon Murray (Beoga)

Martin O'Neill - One of the leading players

bodhrán pages - one of the earlierst ressources on the net

Bodhran- Yahoo Group about the Bodhran, which I am also moderating, sign up here:

Subscribe to Bodhran
Powered by launch.groups.yahoo.com

Maker
Christian Hedwitschak - Bavaria, Germany

Stevie Moises, Tippermaker - Bavaria, Germany

Finnegan Hill - Ohio, USA

Seamus O'Kane - Dungiven, North of Ireland

Brendan White - Eindhoven, Netherlands

Belgarth - Orkney Islands, Scotland

Ben March - Ireland

Rob Forkner - Texas, USA

Mike Quinlan - Chicago, USA

Paul McAuley - Ballycastle, North of Ireland

Michael Vignoles - Galway, Ireland

Alberto Alfonso - Texas, USA

David W. Settles - Alberta, Cananda

Eamon Maguire - Belfast, North of Ireland

Davy Stuart - Christchurch, Newzealand

Norbert Eckermann - Vienna, Austria

Tipperwrapper - stop loosing your tippers


Bands & Musiker
Cara - my main band

Steampacket - another band

More Maids - brilliant girls only band

Navan - lovely singing from Wisconsin, USA

Deitsch - Folk from Germany in German!

Jens Kommnick- the guitar man

An Tor - another great band

Cosán - great newcomer band!

Nuá - brilliant music with bodhrán player Michaela Grüß

Iontach - super band featuring Jens Kommnick, Siobhan Kennedy and Angelika Berns

Ekhardt Top - another guitar playing friend


Irish Music/Irland

Irish-Trad-D - german mailing list about irish music:

irish-trad-d abonnieren
powered by de.groups.yahoo.com

DUPG - the german uilleann pipes society

Ceolas - the page about irish music

Cantalibre - more than just folk

Folkworld - Online Folkmagazin

Irish Net - the german portal about Ireland

irish-music.net for Traditional Irish Music CDs, festivals, musicians, summer schools, and much more . .

www.bodhran-info.de
www.bodhran-info.com
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www.twitter.com/bodhraninfo

Dr. Rolf Wagels
bodhran-info 
Von-Holthusen-Straße 6F
30890 Barsinghausen
Germany

Tel.: +49-5035-1881170
Fax: +49-5035-1881172
E-Mail: This email address is being protected from spambots. You need JavaScript enabled to view it. 

VAT identification number according to § 27a of Value Added Tax Act:: DE814971691


Platform of the EU Commission regarding online dispute resolution: https://ec.europa.eu/consumers/odr

The Seller is neither obliged nor prepared to attend a dispute settlement procedure before an alternative dispute resolution entity.

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About our shop

Welcome to the bodhran-info shop. Here you will find bodhráns and all the accessories you need. Please look around. If you have any questions, feel free to get in touch with us.

  • RWEchange
    The RWEchange
  • Shop
    The CoreLine family
  • CL2
    The CoreLine family
  • Showroom2
    Showroom in 30890 Holtensen
  • Showroom3
    Showroom in 30890 Holtensen
  • RWEchange
  • Shop
  • CL2
  • Showroom2
  • Showroom3

A few words about our products

Logohed

Bodhran-info is a Hedwitschak Premium Partner. The Hedwitschak Premium Partners are closely integrated in all development processes at Hedwitschak drums. They support the development of new drum and tipper models, and the further development of existing products through their vast experience and their innovative approach. The Hedwitschak Premium Partners are Rolf Wagels and Stephan Moises.

Online Shop
All bodhráns in our shop are made by Christian Hedwitschak. He made his way to the top of the Champions League in the last few years  and his drums are in high demand by top class players all over the world.
It's with him that I developed a Signature Line model with a smooth tool-less compressor tuning system and a special treated skin (Lambegskin from the North of Ireland), which has been my favourite drum for the last couple of years: The Rolf Wagels Edition or RWE.
Christian Hedwitschak does not build drums only for the high end sector. He also provides a drum line for upcoming professionals with a smaller budget: the CoreLine starting at 240€!

Tippers, Brushes, Split Tippers and Hotrods
Most of the tippers and hotrods we carry are made by Stevie Moises, with some models, like the RWE snakewood tipper and the RWE MoGrip hotrods, created especially for us. We also have a great collection of special effect tippers, like brushes and split tippers, which are unique in their sound. Make sure you watch the video on the Brush/Split-tipper page for a good impression of the different sounds.

Bags, Accessories and Learning Material
Bags are available in two different versions in accessories. along with learning material, including books and a DVD.

What customers think about us:

Shopbewertung - bodhran-info.de



Showroom
Our showroom stocks all the Christian Hedwitschak drums and Stevie Moises tippers available. All the accessories you find in the online shop are also available in the showroom. You are welcome to test any and all models before purchase. I also offer individual advice, based on my experience over the years.Here are some pictures of the showroom, please click to enlarge:

A few drums
The full picture
A few drums
CoreLines, RWEs, MOS and MON
CoreLines and RWEs
RWE and MOS
RWEs
MOS, MON, CL black
CoreLines
Tippers and cases
Tippers
ChangeHED skins
ChangeHED skins
Tutorials and stands

You can pay by card in our showroom, the following payment systems are supported:

Ec
Maestro
Girocard
Mastercard Alternate
Visa
American Express

The showroom is located in 30890 Holtensen (Barsinghausen) near Hannover, Germany. See map for details. Please get in touch before you come, by appointment only!

It's good to see that you found the way to my website. I've played the bodhran since 1993, and this drum has become a big part of my life since then. I have met many interesting people at workshops and gigs with various bands.

On this page you will find information about me, my bands, the bodhrán, dates of gigs and workshops, and sound, pics and videos. I also have a shop where you can buy drums and accessories. Please use the menu on top or on the left of the page for navigation and watch out for the latest news in the boxes around this text. If you want to be kept informed, you might want to subscribe to the newsletter.

Now enjoy the site, thanks for having a look!
Rolf Wagels

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