CA12

Professional Tip:

NOISE PROBLEMS

Professional Tip:

SPEAKER POLARITY CHECK.

WHINING NOISE VARYING WITH ENGINE REVOLUTIONS:

Do this:

1.Rewire the power supply (12 V) to source unit direct from battery.

2.Rewire ground wire from source unit to clean position on chassis.

3.Check all power connections to ensure that they are clean and tight.

4.Check quality of system ground connection.

5.Install a Power Cap capacitor. This can be helpful against most noise problems.

CONSTANT WHINING NOISE:

Do this:

1.Ensure that all equipment has a common ground point.

2.Check quality of earth strap connection from battery negative terminal to chassis.

3.Disconnect signal cables from amplifier to see if noise disappears. If so the leads are picking up noise. Test this by laying a new cable over the seats and reconnecting to the amplifier. If the noise does not return, re- route original cable away from source of interference.

If noise remains regardless of cable position, try to use so called Quasi-balanced signal cables. DLS PRO or ULTIMATE cables are quasibalanced.

All speakers in a car audio system should be connected in phase (the same polarity). All spea- ker cones must move in the same direction. Out of phase speakers will cause a lack of bass, and a poor stereo soundstage.

Checking polarity:

Hold the - connection of the speaker wire to the - terminal of a 1,5 Volt flashlight battery. Tap the + wire on to the + terminal of the battery, and observe the movement of the cone. The cone should move outwards when the wire touches the battery, and inwards when the battery is removed. If it is the other way around, the speaker has been connected backwards and it must be removed and connected correctly.

If your system also has a subwoofer connected through a passive 6 or 12 dB crossover, try to connect this with various polarity and judge what sounds best. The phase shift in passive crossovers sometimes makes it necessary to change polarity.

 

+

 

Battery

+

1,5 Volt

 

-

-

Professional Tip:

Professional Tip:

Installing in trunk

When installing the amplifier in the trunk, run the power wires along the same path as the other vehicle wiring. Many cars have insulated channels for wiring. you will have to remove the door sill trim and the carpet.

Professional Tip:

Crimp connections

Purchase crimp connectors and crimping tool. Connectors are color coded.

1.Strip 1/4 inch (6 mm) of insulation from the wire.

2.Insert into connector

3.Crimp tightly

Securing wires

Use wire ties to bundle together when possible. (But never bundle speaker wires or signal cables together with power wires.

Professional Tip:

Speaker and power wires

Do not run speaker and power wires next to each other. Power wires can generate a ”siren” sound in the speakers. Runs speaker and power wires on opposite sides of the car.

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DLS Svenska AB DLS CA12 Checking polarity, Installing in trunk, Crimp connections, Securing wires, Speaker and power wires
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DLS CA12 specifications

DLS Svenska AB is renowned for its commitment to high-quality audio products, and their DLS CA12 speaker is no exception. This versatile speaker is designed to deliver powerful, clear sound while offering a range of features that make it suitable for both casual listeners and audiophiles alike.

One of the standout characteristics of the DLS CA12 is its robust build quality. Crafted with durable materials, the speaker is engineered to withstand the rigors of everyday use, making it an ideal choice for both home and professional environments. Its sleek and modern design allows it to seamlessly integrate into various interior styles.

The DLS CA12 features a unique coaxial design that places a tweeter directly in the center of the woofer. This configuration allows for a more coherent soundstage, projecting audio evenly across the listening area. The speaker's frequency response is impressive, capable of reproducing a wide range of sounds from deep bass lows to crisp highs without distortion.

In terms of technology, the DLS CA12 incorporates advanced audio engineering to enhance sound quality. The speaker employs high-quality components, including a specially designed voice coil and a powerful magnet. These elements work together to ensure that the audio output is both dynamic and accurate, catering to a variety of music genres and audio playback requirements.

Another significant feature of the DLS CA12 is its versatility. The speaker can be mounted on walls or placed on stands, allowing users to find the perfect setup for their specific acoustical environment. Moreover, it is compatible with various amplification systems, meaning it can be used in a home theater setup or connected to a stand-alone audio source.

The DLS CA12 also boasts impressive efficiency, which translates to lower power consumption without sacrificing audio performance. This energy-efficient design is not only good for the environment but also reduces operating costs for users.

Overall, the DLS Svenska AB DLS CA12 is a well-rounded speaker that combines durability, advanced technology, and impressive sound quality. Whether for personal enjoyment or professional use, this speaker offers exceptional performance in a stylish package, making it a top choice for anyone seeking an elevated audio experience.
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