DLS Svenska AB NOBELIUM 12 manual About the Recommended Enclosures, Enclosure Damping, Subwoofer

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HINTS & TIPS FOR ”DO IT YOURSELF” ENCLOSURE BUILDERS

ABOUT THE RECOMMENDED ENCLOSURES

The performance of these recommended enclosures will vay from vehicle to vehicle. It is more difficult to get a tight and well defined bass in a SEDAN vehicle because of the tightness between trunk and interior of the vehicle. In this case a band- pass box could be a better choise.

-All volumes are inside measures.

-Volumes occupied by speaker and ports have already been added to the given enclosure volumes.

-Use conical bass ports for best result. (DLS BP-75 or BP- 110). If the ports are too long for the box you can use a bend. Either cut the tube and glue it together in angle, or use factory made tube bends. It´s easier to use the factory made ones. The total length must be the same as for a straight tube. Make the measure in the center of the tube.

The port opening inside the enclosure must not be closer to an interior wall than 3” (75 mm), otherwise it will have negative effects on the airflow.

-The enclosure must be very steady and completely air-tight. Use 22 mm particle board or 19 mm MDF-board. The particle board has a self resonant frequency of 14 Hz while the MDF has a resonant frequency of approx. 400 Hz. It´s important to do some type of bracing inside the enclosure to avoid vibrations. Volume taken up by bracing should be added to the enclosure volumes.

ENCLOSURE DAMPING

Most enclosures should be damped inside with syntetic (acoustic) wool or damping mat (line). Attach the damping ma- terial on the wall opposite from the speaker and port. A sealed enclosure should be filled up to 70-100% with acoustic wool.

In a vented enclosure the speaker and port should be on the same side, otherwise a fade-out of some frequencies can occour. In most vehicles, except for SEDAN cars, the speaker and port should be directed backwards for best result.

ENCLOSURE PLACING IN DIFFERENT TYPES OF VEHICLES

In small vehicles like VW Golf, Peugeot 306 and similar the bass box should be installed with both speaker and port directed backwards. Alternatively booth speaker and port can be directed upwards. This way of mounting is valid for all types of vehicles where the trunk is incorporated with the inner compartment.

In sedan vehicles with the passenger compartment separated from the trunk, the enclosure should be installed with booth speaker and port directed towards the rear seat. Some cars have an opening in the middle of the rear seat for loading skis etc. You can install the enclosure behind this opening and direct speaker or port through this opening. There must be some free space in front of the port, (between the rear seat and the port opening).

In large vehicles like station wagons the best sound is achieved with the enclosure installed behind the rear seat with booth spea- ker and port directed backwards. Alternatively you can install the enclosure on one side of the luggage compartment.

CALCULATE YOUR ENCLOSURE

Box volumes:

When caculating the volume of an enclosure you simply multiply the width (W) x heigth (H) x depth (D).

Use measures in dm and you will get the answer in liters.

A trapezoid box is calulated as below:

Vol=width (W) x heigth (H) x upper depth (UD) + lower depth (LD) 2

 

B

 

ÖD

H

Be sure to measure the

inside dimensions.

 

ND

 

THE SUBWOOFER

upper

 

suspension

 

cone

 

chassis

dust cap

spider

 

voice coil

 

pole plate

magnet

 

 

T-yoke

 

 

WARRANTY SERVICE

This speaker is covered by warranty, depending on the conditions in the country where it is sold. If the speaker is retur- ned for service, please include the original dated receipt with the product.

DLS Svenska AB

P.O. Box 13029

SE-40251 Göteborg, Sweden

Tel: +46 31 840060

Fax: +46 31 844021

E-mail: info@dls.se

www.dls.se

Technical Assistance

For technical assistance ask the shop where the product was sold or the distributor in your very country.You can always phone the DLS Helpdesk in Sweden + 46 31 840060 or send an e- mail to info@dls.e

Information can also be found on our WEB-site www.dls.se

We follow a policy of continuous advancement in development. For this reason all or part of specifications & designs may be changed without prior notice.

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Contents Welcome Connection of SubwooferSubwoofer ENCLOSURES, General Sealed EnclosuresTechnical specifications for DLS Ultimate Nobelium Sub Connection Volume litre/ft3 Port Damping RUNNING-IN PeriodNobelium10, single VC Nobelium10, dual VC in parallelWarranty Service About the Recommended EnclosuresEnclosure Damping Enclosure Placing in Different Types of Vehicles

NOBELIUM 10, NOBELIUM 12, NOBELIUM 15 specifications

DLS Svenska AB has been at the forefront of innovative technology solutions, and its NOBELIUM series, including NOBELIUM 12, NOBELIUM 10, and NOBELIUM 15, exemplifies the company’s commitment to high-performance and cutting-edge engineering. Each model is tailored to meet specific user needs while maintaining versatility and advanced features.

The NOBELIUM 12 stands out with its robust design and user-friendly interface. It is equipped with a powerful processor that ensures efficient operation and quick data processing. One of its main features is the intelligent load management system, which optimizes energy consumption without sacrificing performance. The model includes a modular architecture, allowing for easy upgrades and customization according to varying operational requirements. Additionally, the NOBELIUM 12 is designed with enhanced security protocols, safeguarding critical data and user privacy.

In contrast, NOBELIUM 10 is engineered for compact environments without compromising on efficiency. This model prioritizes space-saving while still offering substantial processing power. Its main feature is the integration of advanced AI algorithms, which enable predictive analytics and support decision-making in real-time. The user interface is intuitive, designed for seamless interaction, making it an excellent choice for enterprises looking to improve overall productivity. The NOBELIUM 10 also emphasizes connectivity, featuring multiple ports and wireless capabilities to help integrate with other digital tools and devices.

The NOBELIUM 15 takes performance to the next level, specifically catering to industrial applications. This model is built for handling extensive workloads and complex tasks. Its cutting-edge cooling technology ensures optimal performance even under heavy usage, reducing downtime and extending the lifespan of the equipment. Moreover, the NOBELIUM 15 incorporates advanced machine learning capabilities, fostering automation and enhancing operational efficiency. The design is rugged and durable, suitable for various challenging environments.

Collectively, the NOBELIUM series reflects DLS Svenska AB’s dedication to quality, adaptability, and technological advancement. Users can select the model that best suits their needs, ensuring that whether it’s for a small business or a large industrial project, they have access to the best features and technologies available in the market.