3. Box Craf ARC8

Box Craf ARC8

250 Watt

Box Craf ARC8

Technical Highlights

  • Power 150-250W RMS, Impedance 2+2 Ohm / 4+4 Ohm, SPL 85dB.
  • 12mm Multiplex, felt cover, dimensions 365 x 300 x 170 mm.
  • Fs 24.7Hz, Re 1.95 / 7.8 Ohm, Xmax +/-15mm, VAS 43.9L.
  • More technical details
€330.00
€330.00 €330.00
2% discount with credit card
Incl. VAT
Impedance: D2 (2x2 Ohm)
Estimated delivery Sep 14 to Sep 17.
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ARC Audio-Box Craf ARC8-VW-Subwoofer-masori-kaufen
€330.00
€330.00 €330.00

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Product description

The BOX Craf ARC8 from ARC Audio is an 8" (20cm) enclosure subwoofer, specifically tuned and optimized for VW vehicles. This subwoofer features excellent acoustic properties and fits perfectly in the console under the seat for the current VW Crafter 7C0 and the Grand California. Thanks to the original connectors that still fit next to the enclosure, it allows for easy installation. With power recommendations of 150-250W RMS and the choice between a 4-ohm (D2) or 2-ohm (D4) version, there is plenty of flexibility. Made from 12mm multiplex and covered with black felt, it provides a solid foundation for high-quality sound. Even after installation, additional components, such as the Kathrein module, can still be positioned under the seat in some models.

Features

  • Made of 12mm multiplex and covered with black felt.
  • Power recommendation 150-250W RMS,
  • Dimensions: 365 x 300 x 170 mm
  • 8" (20cm) Subwoofer
  • Impedance 2+2 Ohm / 4+4 Ohm
  • Power 150W RMS
  • Power 300W Max

Arc Audio ARC8 Data

  • Fs=24.7Hz
  • Re=1.95 / 7.8 Ohm
  • Qes=0.367
  • Qms=3.572
  • Qts=0.332
  • VAS=43.9L
  • Xmax=+/-15mm
  • Sd=231cm²
  • Vd=0.35L
  • SPL=85dB/1W/1m

Frequently asked questions about Box Craf ARC8

What type of Subwoofer is the BOX Craf ARC8 from ARC Audio?

The BOX Craf ARC8 from ARC Audio is a specially tuned 8-inch enclosure Subwoofer. It was designed for VW vehicles, particularly the VW Crafter 7C0 and the Grand California. With a housing made of 12mm multiplex and black felt, it delivers robust and high-quality sound. The Subwoofer features a power recommendation of 150-250W RMS and offers flexibility in installation with its different impedances of 2+2 Ohm or 4+4 Ohm. Thanks to the original connectors, the Subwoofer can be easily installed. It is ideal for musicians looking for a compact, powerful bass system.

How can the BOX Craf ARC8 be integrated into my VW vehicle?

The BOX Craf ARC8 has been precisely tuned for integration into the center console under the seat for the VW Crafter 7C0 and Grand California, ensuring a straightforward installation. The dimensions of 365 x 300 x 170 mm should be checked before installation to ensure compatibility. The original connector remains usable, making the installation feasible even for those less experienced in automotive technology. Sometimes, despite the Subwoofer, other components, such as the Kathrein module, remain in their usual place under the seat. The power recommendation of 150-250W RMS ensures that the sound is optimally showcased.

What music performance can the Subwoofer deliver?

The BOX Craf ARC8 impresses with a power of 150W RMS and a maximum power of 300W. The Subwoofer offers an excellent sound experience with a frequency response starting from a resonance frequency (Fs) of 24.7Hz. The efficiency is 85dB/1W/1m, which, combined with the recommended amplifier power, provides a powerful, clear sound that particularly shines in bass-intensive music genres. The Thiele-Small parameters support the excellent bass response, while the variability of the impedance of 2+2 Ohm or 4+4 Ohm expands additional customization options for different amplifiers.

What is special about the material and construction of the Subwoofer?

The housing of the BOX Craf ARC8 is made of 12mm thick multiplex wood, which guarantees both stability and resonance minimization. The black felt covering is not only visually appealing but also contributes to vibration damping. This combination ensures optimal sound and increases the product's durability. The high-quality workmanship allows for use in a variety of environments and is ideal for installation in vehicles. This choice of materials maximizes sound reproduction and is specifically tailored to the needs of discerning music lovers looking for a robust Subwoofer.

What technical specifications characterize the low-frequency performance?

The low-frequency performance of the BOX Craf ARC8 is defined by various technical specifications. The Subwoofer has a Qts value of 0.332 and an Xmax of +/-15mm, which indicates a remarkable diaphragm excursion. The VAS of 43.9L, in conjunction with the other parameters, leads to optimal enclosure tuning and maximum sound precision. Additionally, the Thiele-Small parameters such as Re at 1.95/7.8 Ohm and Qes of 0.367 are significant for the electrical and mechanical properties that are important for performance and sound quality. Furthermore, the effective diaphragm area Sd of 231cm² ensures powerful reproduction.

What is the sound pressure level and what does SPL mean?

The sound pressure level (SPL) of the BOX Craf ARC8 is 85dB/1W/1m. SPL, or Sound Pressure Level, measures the change in sound pressure and is an indicator of the Subwoofer's loudness at a given power level. An SPL of 85dB indicates that the Subwoofer produces a good sound pressure at moderate power input, which can fill a room. Especially if you enjoy listening to music loudly, the high sound pressure level, combined with the other performance features, will provide a powerful and dynamic musical experience. SPL efficiency is crucial for estimating the appropriate amplifier power and determining the maximum volume.

What connection options does the BOX Craf ARC8 Subwoofer offer?

The BOX Craf ARC8 is available in both 4-Ohm (D2) and 2-Ohm (D4) versions, providing versatile connection options. This flexibility allows the Subwoofer to be adapted to different amplifier types, giving you direct influence over efficiency and output power depending on the chosen variant. The integrated original connectors ensure smooth integration into the existing audio system, especially in the VW Crafter 7C0 and Grand California. If available, additional electronic components can be retrofitted or connected without much effort.

How do the Thiele-Small parameters affect sound quality?

The Thiele-Small parameters of the BOX Craf ARC8 play a crucial role in determining sound quality. The Qts value of 0.332 and the Qes value of 0.367 describe the ratio of mechanical damping to electromagnetic drive, which impacts the frequency response and bass reproduction. The VAS of 43.9L indicates the air volume necessary to optimize bass performance. Overall, these parameters, along with Sd, SPL, and Xmax, provide a comprehensive insight into deep bass tuning, which ensures a balanced listening experience. The precise adjustment of these parameters is essential for concert sound in the vehicle.

How important is the diaphragm area for the performance of the Subwoofer?

The effective diaphragm area (Sd) of 231cm² is a critical measure of the performance of the BOX Craf ARC8 Subwoofer. A larger diaphragm area allows for more efficient air displacement, resulting in stronger and more precise bass sounds. This area significantly influences the reproduction of low frequencies, especially at high volumes. The Sd is directly related to the volume of air moved (Vd = 0.35L), which creates a foundation for powerful sound. The more air that is displaced, the fuller and more realistic the bass reproduction, which is particularly beneficial when playing music pieces that benefit from a deep bass foundation.

What recommendations are there for optimal power usage of the Subwoofer?

To fully exploit the potential of the BOX Craf ARC8, power usage should remain within the recommended 150-250W RMS range. Optimal amplification prevents distortion and protects the Subwoofer from damage due to overload. Especially in conjunction with the specified impedance of 2+2 Ohm or 4+4 Ohm, the appropriate setting is crucial to strike the balance between power and sound efficiency. Furthermore, adjusting the amplifier settings is essential to achieve maximum sound quality without pushing the Subwoofer into its peak power range of 300W Max, which reduces fidelity.

Manufacturer information / responsible person

fortissimo
Dietmar Carle
Bahnhofstr. 23
88048 Friedrichshafen Kluftern
Germany

Contact: didi@fortissimo.de"