POWER-HANDLING LIMITATIONS

SPECIFICATIONS

The power-handling capability of any woofer is related to both its ability to dissipate heat and the maximum excursion limits of its cone. Once the speaker’s voice coil moves outside the mag- netic gap, power can no longer be converted into motion and all the amplifier’s power is converted into heat in the voice coil.This voice-coil heating is the largest detriment to speaker longevity, so overexcursion should be avoided. Since speaker- cone excursion is different for each type of enclosure, power handling is different for each enclosure.

Sealed enclosures exert the most control over the motion of a subwoofer because the air inside the box acts like a spring against the motion of the woofer cone. Larger boxes allow for more excursion, thus providing more low-frequency output for the amount of power used. When placed in a sealed box larger than the Vas of the subwoofer, it will perform as if it were in an infinite-baffle installation.

Vented and bandpass enclosures have the lowest amount of excursion for the amount of sound output.This is a result of port output rein- forcing the sound output from the woofer.The mass of the air contained in the port provides an acoustic load on the woofer’s cone at the tuning frequency, and this added mass decreases woofer-cone excursion. Vented boxes do not pro- vide adequate woofer control when driven below the port-tuning range, so proper design is impor- tant. A vented bandpass box will have the lowest overall cone excursion provided a subsonic filter is used.

•Voice-coil overheating and burning due to overexcursion are often caused by overdriving an amplifier into “clipping.” A severely clipped signal, or squarewave, contains nearly twice the power of a clean sine wave at the same level. Bass that sounds broken up and distorted at higher volumes is usually indicative of an amplifier that is clipping and being asked to deliver power beyond its rated power.

•Infinite-baffle or “free-air” mounting applica- tions allow for greater cone excursion than subwoofers mounted in an enclosure. In order to compensate, recognize that the power-rating value of the subwoofer will likely be half its rated power in this application.

•Study the excursion curves on the enclosed Kappa Series data sheet and note the differences for different enclosure applications.The type and size of box used will produce different excursion demands on the enclosed subwoofer and, conse- quently, different levels of power handling. As long as recommended parameters are used, the subwoofer will perform properly in its enclosed environment. However, any design deviation may result in less than optimum performance, and may also subject the subwoofer to overexcursion (i.e., where the voice coil leaves the gap) that can eventually damage the speaker. For additional help with this issue, please contact your autho- rized Infinity dealer.

Kappa 80.1w

 

Configuration:

8" woofer

Nominal Impedance:

4 ohms

Power Handling:

100W rms/400W peak

Sensitivity @ 2.83V/1m:

93dB

Frequency Response:

30Hz – 300Hz

Mounting Depth:

4" (102mm)

Cut-out Diameter:

7-3/16" (183mm)

Kappa 100.1se

 

Configuration:

10" subwoofer

Nominal Impedance:

4 ohms

Power Handling:

250W rms/1000W peak

Sensitivity @ 2.83V/1m:

93dB

Frequency Response:

25Hz – 250Hz

Mounting Depth:

5-1/16" (129mm)

Cut-out Diameter:

8-7/8" (226mm)

Kappa 120.1se

 

Configuration:

12" subwoofer

Nominal Impedance:

4 ohms

Power Handling:

300W rms/1200W peak

Sensitivity @ 2.83V/1m:

94dB

Frequency Response:

20Hz – 250Hz

Mounting Depth:

5-13/16" (148mm)

Cut-out Diameter:

10-13/16" (275mm)

Kappa 100.1dvc

 

Configuration:

10" subwoofer

Nominal Impedance:

4 ohms per voice coil

Power Handling:

250W rms/1000W peak

Sensitivity @ 2.83V/1m:

93dB

Frequency Response:

25Hz – 250Hz

Mounting Depth:

5-1/16" (129mm)

Cut-out Diameter:

8-7/8" (226mm)

Kappa 120.1dvc

 

Configuration:

12" subwoofer

Nominal Impedance:

4 ohms per voice coil

Power Handling:

250W rms/1000W peak

Sensitivity @ 2.83V/1m:

94dB

Frequency Response:

25Hz – 250Hz

Mounting Depth:

5-13/16" (148mm)

Cut-out Diameter:

10-13/16" (275mm)

Page 2 Page 4
Page 3
Image 3
Infinity 120.1DVC, 120.1SE, 80.1W, 100.1SE, 100.1DVC manual POWER-HANDLING Limitations, Specifications
Page 2 Page 4

100.1SE, 80.1W, 120.1DVC, 120.1SE, 100.1DVC specifications

Infinity's new line of audio systems, including the 100.1DVC, 120.1SE, 120.1DVC, 80.1W, and 100.1SE, represents a significant advancement in sound engineering. These models are designed for audiophiles and casual listeners alike, featuring cutting-edge technologies that ensure an unparalleled audio experience.

The 100.1DVC is known for its dual voice coil design, which allows for flexible wiring configurations and better power handling. This model excels in reproducing powerful bass without distortion, making it a great choice for those who enjoy deep, resonant sound frequencies. Its robust construction ensures durability while maintaining lightweight characteristics, which is essential for easy installation in various types of vehicles.

The 120.1SE takes things a step further with its superior sound clarity and higher sensitivity ratings. It incorporates advanced materials in the speaker cone, allowing for a wider frequency response. This enhances overall sound reproduction, delivering crisp highs and balanced lows. Moreover, the 120.1SE's sleek design seamlessly integrates with modern car interiors, appealing to both style and performance enthusiasts.

For those seeking a versatile option, the 120.1DVC features a combination of dual voice coils and enhanced thermal management technology. This ensures the speaker performs optimally under heavy use and delivers consistent sound quality, even during extended listening sessions.

The 80.1W introduces a compact yet powerful subwoofer option for smaller spaces. Despite its size, it produces an impressive amount of low-end sound, providing the necessary punch for any musical genre. Its easy installation process makes it an ideal choice for those looking to upgrade their audio without compromising on available space.

Lastly, the 100.1SE is the pinnacle of Infinity's offerings, characterized by its premium components and sophisticated design. This model features a special cone material that reduces unwanted vibrations, ensuring that sound remains pure and unhindered. Coupled with excellent power handling capabilities, the 100.1SE provides listeners with a full-bodied sound experience.

In summary, Infinity's 100.1DVC, 120.1SE, 120.1DVC, 80.1W, and 100.1SE speakers bring a combination of innovation, style, and performance to the audio market. Whether for casual listening or audiophile-grade systems, these models offer an exceptional listening experience with cutting-edge technology and beautiful design.
Top Page Image Contents