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Christmas 2010 Print

SEAS is now closed for Christmas holidays. We will reopen on Monday January 03.

We would like to take this opportunity to wish you all a very merry Christmas and a happy new year.
Messages sent to our This e-mail address is being protected from spambots. You need JavaScript enabled to view it account, or to our fax +47 6926 9006, will be attended to as soon as possible.

We hope to see or hear from you all in 2011 – maybe already at the CES in January?

Following SEAS employees will be present:

Mr. Olav Mellum Arntzen
Mr. John Stone
Mr. Håvard Sollien (who will also attend the Alma show)
Mrs Grethe Årum

Please contact any of them direct, or send an email to This e-mail address is being protected from spambots. You need JavaScript enabled to view it for booking of meetings.



H 1597-08 - FA22RCZ Print

H1597-08 – FA22RCZ


Many of you noticed that we showed this new driver on the RMAF in Denver in October. The idea behind the design, is to make a high quality fullrange driver that is more cost effective and available than the Exotic F8 . One of the things we did, was to base the magnet system on ferrite in stead of Alnico, which are very expensive magnet systems.

The cone is made from a paper pulp recipe from the “good old days”. This way, we maintained the vintage feeling these kinds of drivers represent, while we also use the most modern technology available today.

 FA22RCZ is a highly efficient full range driver capable of providing an astonishingly precise and coherent sound reproduction at a very reasonable cost.

Driven by low to medium power, high quality amplifiers and good signal sources, it is capable of competing favorably with high cost, esoteric drivers.

Please contact Grethe Årum on This e-mail address is being protected from spambots. You need JavaScript enabled to view it for prices and orders.

We will solve the mystery of the breathtaking sound experience

Please note our phone number will change from 01 December. The new number will be +47 9400 2800


New R&D Engineer Print

SEAS proudly announces our new R&D engineer, Mr. Diego Ivars from Alicante, Spain.

As of medio October, Diego is employed in our R&D Dept, contributing with high competence and creativity in a SEAS lab that is constantly developing.
We challenged Diego to tell you, with his own words, who he is, and his way to his Masters thesis from the Norwegian University of Science and Technology in Trondheim:

I am Diego Ivars, and am really glad to be a part of the SEAS team from now on. This is the goal I have had, ever since I commenced my studies similar to a bachelor degree in telecommunications. I specialized in “Sound and Image”, and my professor Basilio Pueo encouraged me to keep studying within the field of electro acoustics.
I finished my Master Degree Thesis in NTNU, studying under professor Peter Svensson. The thesis focused on the study of directivity parameters of a loudspeaker, highlighting Directivity Index.
In addition, I developed techniques and programmed software to get an accurate result of the test loudspeaker DI.

In my spare time, I like playing handball, which I have done since I was 6 years old, and I also enjoy playing the drums and bass guitar. My interest for music also sparkled ideas for my own electronic HiFi projects.
I am very much looking forward to working with the rest of the crew here at SEAS, and to get to know and understand more sides of the complex  loudspeaker industry.

Diego can be reached on email This e-mail address is being protected from spambots. You need JavaScript enabled to view it

We will solve the mystery of the breathtaking sound experience

Autumn 2010 Print

The SEAS crew is back from an interesting and educational trip to beautiful Scotland.

Autumn is upon us, and here at SEAS we are now preparing for the next big event within the HiFi-world:

Rocky Mountain Audio Fest in October.

We will be launching two brand new drive units of which we are very proud, and very excited to show you all.

Curious? We won’t say more until the show opens.

We will solve the mystery of the breathtaking sound experience.


SEAS goes to Scotland Print

At SEAS, we have a constant focus on improving and developing our level of competence.

Therefore, we will today bring the whole SEAS crew on a seminar to Scotland, combining a customer visit with a useful
course which will contribute to make us an even better partner to all of our customers.

Travelling from our nearby airport, which is only a 5 minute drive from our premises, makes it convenient for us to plan and implement  events like this.

Due to the above, the factory will therefore be closed from 14:00 today, and will reopen on Monday  20 September.
We feel confident that you will meet an even more enthusiastic and dedicated work force after we return from this trip.

The expedition and delivery/shipping of goods will still take place, please call Sven on +47 9400 2826 for more information.

For other important messages, please call your SEAS contact direct on their mobile phones.

We will solve the mystery of the breathtaking sound experience.


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SEAS is a leading manufacturer of high-quality loudspeaker drive units and other related audio products. For more than 60 years we have developed and manufactured speakers for a worldwide market, and are firmly established in the market with a very strong brand identity and a solid customer portfolio.
In addition to our headquarters near E6 in Rygge municipality , we also maintain a sales office in Chicago, USA. SEAS currently has 50 dedicated employees, 6 of whom are employed in the R&D lab. The R&D department provides support to all internal departments; including production, purchasing and marketing.

The R&D department is now seeking a new employee, who will help us strengthen our critical functions within the SEAS organization. This new employee will initiate, manage, and implement exciting new projectsin collaboration with other lab employees; projects that will help advance SEAS’ position in the overall loudspeaker market.


Product development: encompassing all aspects from initial computer simulation through final production
Handover and follow-up of products from the lab to the production department
Building of relationships with customers and suppliers, in cooperation with with the SEAS marketing and purchasing departments.


Advanced degree in acoustics or in other relevant areas
A strong interest and basic knowledge in the areas of speakers, acoustics, sound quality and measurement techniques.
A strong interest and some knowledge in the areas of mechanics, dynamics, magnets, adhesives, plastics, composites, metals, technical drawing and 3D modeling.


We are seeking an enterprising person with enthusiasm for finding new and creative projects. We are interested in someone who is curious, creative and who projects confidence. You should be able to work independently and purposefully, while at the same time collaborating internally and with external contacts. It is also important that you are able to multi-task, with the ability to engage an diverse projects simultaneously.


Varied and stimulating tasks
A large, global acoustic network
A pleasant working environment
Salary commensurate with qualifications

Written application with relevant certificates is required as soon as possible. Please use this form: (no longer available) .

 Starting date of employment to be determined upon agreement with applicant.

Further questions may be directed to R&D Manager Håvard Sollien by telephone +47 6923 3038 during office hours, or +47 930 33 225 (private)


SEAS also seeks an international sales coordinator

Please check follwing link for complete add, or contact Mrs. Grethe Årum on This e-mail address is being protected from spambots. You need JavaScript enabled to view it for further details.

(no longer available)







August 2010 Print

Dear SEAS customer –

We are very happy to be back at work after our Summer break.

The first half of 2010 was a really big success for us, and now we look forward to present many exiting new products during Spring.

We will be present at the Rocky Mountain Audio Fest in October, and we can hardly wait to tell you everything  about the new speakers that we will launch then. However, we have to ask to for patience, as Research and Development guys are still tuning in on the final details.

Please keep stopping by. We will have another ground breaking product launch coming through very shortly. Meanwhile, do enjoy our latest addition to the Excel Woofers Product sides. If scroll way down on your screen, you will find 3 tabs.

We are proud and pleased to present application notes, with available additional information, measurements and datafiles.

Summer 2010 Print
Hi All -

SEAS is now closed for summer holiday, and will reopen Monday 02 August.
Urgent queries may be left on tel +47 6923 3000 or on our fax machine: +47 6923 3001
Our email account will be attended to regularly during the holidays - so please feel welcome to contact This e-mail address is being protected from spambots. You need JavaScript enabled to view it

We would like to thank all of our customers, suppliers and friends for the cooperation so far this year. It really has been an eventful and exciting
first half of 2010, and we do look forward to the next half with optimism.

We are also looking forward to present to you many new products during September and October. Please keep stopping by for updates.

From all the SEAS-crew we wish you a very happy Summer!

We will solve the mystery of the breathtaking sound experience.
New tweeter available Print

Perfection in 0,5 kgs!

Since SEAS started almost 60 years ago, we always focused on bringing the latest of technologies, combined with experience and knowledge, to the market place.
With the latest addition to our tweeter program, we most certainly follow up on these values.
The 22TFF is a High Definition soft dome tweeter with a wide surround.

One-piece Sonomex dome and surround allows for very tight production tolerances and high consistency with a smooth and extended frequency response. The voice coil windings are immersed in magnetic fluid to increase the power handling capacity, and reduce compression at high power levels.  The chassis is moulded from a stiff and stable glass fiber reinforced polymer material, and its front design offers optimum radiation conditions.

For further information, prices or sample orders, please contact Grethe on This e-mail address is being protected from spambots. You need JavaScript enabled to view it



Design Passive Radiator Print
Dear SEAS friend and customer –

The L26ROY subwoofer was designed using highly sophisticated FE modeling to secure perfect symmetry and virtually eliminate all instability. In these critical areas, the L26ROY outperforms all other subwoofers that we tested so far.
After extensive listening evaluations, however, we realized that even a perfect subwoofer cannot perform at its best without addressing the problems created by mounting a high output subwoofer driver in a small, vented enclosure. What was needed, was a perfectly matched passive radiator. An L26ROY mated to such a passive radiator would make it possible to use a compact cabinet volume of only 40 liters, while avoiding all the troubles associated with using a vented port. No more chuffing noise or unwanted resonances!
Introducing the new SL26R Passive Radiator from SEAS:
The SL26R is a perfect acoustic and cosmetic match to our L26ROY subwoofer. It uses the same basket and cone assembly, and is supplied with the exact moving mass necessary to perfectly load the L26ROY in a 40 liter enclosure.
The SL26R is:
•    A perfect acoustic and cosmetic match to the L26ROY subwoofer
•    Designed to achieve a 26Hz Helmholz resonance in a 40 liter enclosure using a single passive radiator
•    Tunable by adding or removing mass
•    Usable in pairs to achieve even higher acoustic output.
•    The best solution for eliminating port chuffing, resonances and mid frequency leakage
•    In applications where extreme SPL is needed, two SL26R passive radiatiors can be used with a single L26ROY. In this case, the addition of 200 grams extra mass to each passive radiator will achieve a tuning at 26Hz in a 40 liter cabinet.
•    For further technical details, please refer to the data sheet.
•    The SL26R is now available for all our distributors. Please contact your factory representative or me directly on This e-mail address is being protected from spambots. You need JavaScript enabled to view it for further details

We are looking forward to hearing from you.

Spring 2010 Print

Dear SEAS customer -

At SEAS, we are delighted to be back at work after Easter, because, like we mentioned earlier, we have so many exiting news to bring forward this Spring.

Please keep stopping by - in just a few days, we will launch the long awaited passive radiator in the Design product group. The SL26R is designed to be utilised in a 40 litres box together with the L26ROY .  We will revert with a closer description and product design philosophy, but can already promise amazing results.

DIY- customers in the UK - please contact any of the distributors from our distributor's list. Arena Electronics is temporarily not representing SEAS in the United Kingdom.


We will solve the mystery of the breathtaking sound experience.

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