3. Mid-woofers for beginners
  5. VO-W508 S2

VO-W508 S2

VO-W508 S2

Technical Highlights

  • Rated power 400 W, impedance 2 or 4 Ohms, frequency 60-8,000 Hz.
  • Sensitivity 95 dB SPL, Xmax 8 mm, Vas 25.59 liters.
  • Mechanical travel 30 mm, Fs 60 Hz, Qts 0.497, mounting depth 96 mm.
  • More technical details
€129.00
€129.00 €129.00
2% discount with credit card

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ProductVO-W508 S2

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DD Audio-VO-W508 S2-8" (20cm) Tiefmitteltöner-masori-kaufen
€129.00
€129.00 €129.00

The DD Audio VO-W508 is an 8-inch midbass driver that delivers impressive PA sound with powerful kick bass and high power handling. This midwoofer is ideal for applications in doorboards, powersport vehicles, and mobile PA systems. With CNC-machined components and a large voice coil, it offers stability and efficiency. It is available in 2-Ohm and 4-Ohm variants and supports integration into professional coax systems.

Features

  • PA-Style High-Output Design
  • Large voice coil with high power handling
  • CNC-machined high-performance motor and cast basket
  • Integration capability into coaxial systems
  • Mechanical total excursion of 30 mm

Specifications

  • Size 20 cm
  • Rated power RMS 400 W
  • Impedance 2 Ohm or 4 Ohm options
  • Frequency range 60 – 8,000 Hz
  • Fs 60 Hz
  • Qms/Qes/Qts 2.169 / 0.645 / 0.497
  • Vas 25.59 liters
  • Sensitivity 95 dB SPL
  • Xmax 8 mm
  • Suspension travel 30 mm
  • Mounting diameter 187.3 mm
  • Installation depth 96 mm

Frequently Asked Questions about VO-W508 S2

How does the DD Audio VO-W508 adapt to different applications?

This 8-inch mid-bass driver covers a wide range by excelling in doorboards, powersport vehicles, and even mobile PA systems thanks to its robust construction. The CNC-machined components and the cast basket support high stability, which is a crucial factor in vibrating installation locations. Especially if you enjoy listening to loud music, the large voice coil comes into play, providing efficient heat dissipation during peak loads. With a nominal power of 400 W RMS, the midwoofer offers enough reserves for powerful kick bass, while the frequency range of 60 to 8,000 Hz reproduces both deep tones and crisp mids. Additionally, the mechanical total excursion of 30 mm allows enough space for dynamic bass impulses without excessive distortion.

What Thiele-Small parameters play a central role in planning your speaker enclosure?

If you want to use the DD Audio VO-W508, you should pay particular attention to parameters such as Fs, Qms, Qes, and Qts. Fs is at 60 Hz, indicating the resonance frequency at which the chassis optimally vibrates in free air, which is crucial for precise kick bass. At the same time, the parameters Qms=2.169, Qes=0.645, and Qts=0.497 provide important insights for use in open door panels or closed volumes. The Vas value of 25.59 liters indicates the required air volume to generate sufficient depth despite the compact size. With such detailed Thiele-Small data, you can finely tune the enclosure volume and effectively minimize resonances. This ultimately leads to defined bass.

What is the power handling of the DD Audio VO-W508 for strong bass reproduction?

The continuous power handling is specified at 400 W RMS, providing you with a solid level reserve in real use. This value is relevant when you want to achieve a strong punch with louder music genres or dynamic material. During short-term power peaks, the chassis can temporarily absorb even higher power peaks due to the large voice coil without overheating immediately. Additionally, the robust motor structure allows for a measured utilization of this power range in the lower frequency range. Thanks to the CNC-manufactured components, stability is maintained even with intense bass impulses. Especially if you place a high value on kick bass, you benefit from the design for sustained high demands in the bass range. This creates additional headroom.

How far does the frequency response of this 8-inch mid-bass driver extend?

The frequency range of the DD Audio VO-W508 extends from about 60 to 8,000 Hz, allowing you an astonishingly wide sound coverage. At 60 Hz, the kick bass is particularly pronounced, while the upper mids are clearly reproduced due to the high sensitivity of 95 dB SPL. Thanks to the extensive frequency range, the chassis can be ideally combined with high-frequency components without creating gaps in the tonal transition. This is especially practical when you want to hear both punchy bass and precise vocals in doorboards. Even in live sessions or mobile PA systems, the chassis delivers a dynamic performance and remains powerful throughout its operating range.

What are the dimensions of the DD Audio VO-W508 and what does that mean for installation?

This midwoofer measures 20 cm in diameter and has a mounting diameter of 187.3 mm with a mounting depth of 96 mm. Especially if you want to place it in doorboards, you need to ensure that there is enough space behind the panel so that no parts collide with the basket. The mechanical total stroke of 30 mm also allows for sufficient diaphragm movement even with power-intensive impulses. Due to its compact depth, this chassis can be flexibly accommodated in many vehicles, as long as the installation opening is correctly sized. For a smooth screwing process, it is best to ensure a precise milling of the cutout. This way, the fit remains secure and free of vibrations.

Why does the large voice coil ensure high level stability and how does it affect your audio performance?

In the DD Audio VO-W508, the voice coil plays a central role, as its larger diameter can handle higher loads. This oversized voice coil ensures that the chassis can manage impulsive bass passages without overheating quickly. Additionally, the diaphragm remains more stable in its movement, providing you with more precision and sound volume in songs with powerful kick drums. The massive coil carrier promotes better heat dissipation and reduces the risk of thermal compression, which could otherwise diminish sound pressure. When you turn up the volume, your sound reproduction benefits from consistent levels and low distortion. This results in an overall assertive sound image and solid dynamics in high-output applications.

How does the DD Audio VO-W508 support different applications like doorboards or mobile PA systems?

Thanks to its high sensitivity of 95 dB SPL, this 8-inch speaker can deliver impressive volume even with moderate amplifier levels. This makes it interesting for doorboards, where you can achieve a strong mid and kick bass without massive electronics. In mobile PA systems, the chassis also impresses with its high level stability and wide frequency range up to 8,000 Hz. The CNC-machined high-performance motor allows the Midrange speakers to operate linearly even with varying power supply. Additionally, the robust mechanical construction ensures that vibrations in harsh environments do not cause damage. Thus, the chassis functions reliably in very different acoustic environments and under variable loads.

What role does the cast basket play for stability and heat dissipation in this midwoofer?

In the DD Audio VO-W508, the die-cast basket serves a supporting function by not only ensuring mechanical stability but also contributing to heat dissipation. When you drive high levels, the waste heat from the large voice coil can efficiently escape through the metal structure. This prevents distortion and avoids thermal overload. Additionally, the diaphragm guidance remains precise because the cast basket only deforms minimally even under high loads. This is a significant advantage over less robust sheet metal baskets. The CNC-manufactured construction improves the fit, reducing vibrations in the mounting. Thus, the driver achieves consistent performance across the entire frequency spectrum even under high power demands.

How can the DD Audio VO-W508 be integrated into a professional coaxial system?

The design allows you to attach a tweeter to the same motor, utilizing the chassis as a coax solution. Thanks to the wide frequency range up to 8,000 Hz, the 8-inch speaker also covers upper mids, making the transition to the tweeter seamless. The correct placement of the high-frequency component is particularly important to minimize phase cancellations. With the help of CNC-manufactured components, the assembly remains rigid and prevents resonance-related distortions. Additionally, you benefit from the large voice coil, which is essential for even sound radiation in dual applications. This way, you integrate the midrange speakers into a compact 2-way design without compromising on level stability or kick bass. Even under extreme conditions, the concept remains stable.

What is the ideal application area for your PA-style high-output design for elevated volume levels, and what should be considered when tuning the frequency response?

For the DD Audio VO-W508, it is advisable to drive the midwoofer with a powerful amplifier and limit the lower frequency range to about 60 Hz. This relieves the chassis at extreme levels while providing an adjacent kick bass that effectively supports. Especially if you prefer live music or electronic genres, you benefit from the sensitivity of 95 dB SPL and the 8 mm Xmax. This allows you to achieve high sound levels in a compact setup without excessive distortion. Make sure to create a sufficient transition to a tweeter in the upper ranges up to about 8,000 Hz so that voices and instruments are clearly represented.

Manufacturer information/responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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