3. Motorcycle speakers for bike sound upgrades
  5. VO-FR508

VO-FR508

400 Watt

VO-FR508

Technical Highlights

  • Power of 400 W, impedance at 4 ohms, high efficiency.
  • 20.32 cm driver size, frequency response 100 Hz – 16 kHz.
  • Die-cast aluminum basket, 97 dB sound pressure level for clear sound.
  • More technical details
€149.00
€149.00 €149.00
2% discount with credit card

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ProductVO-FR508

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DD Audio-VO-FR508-8" (20cm) Tiefmitteltöner-masori-kaufen
€149.00
€149.00 €149.00

The DD Audio VO-FR508 is an 8-inch (20 cm) mid-bass driver in full range dual-cone design. It operates at 4 ohms and 400 watts RMS with high efficiency. It features an aluminum die-cast basket, an ultra-light whizzer cone, and a paper diaphragm with a fabric surround. The frequency response ranges from 100 Hz to 16 kHz, with a resonance frequency of 98 Hz. Additional specifications include Qms 8.95, Qes 0.37, Qts 0.35, and an equivalent volume of 10.85 liters. The maximum linear excursion is 4 mm, the peak-to-peak travel is 16 mm, and the sound pressure level is 97 dB. The drive unit integrates a 45 mm Kapton vented voice coil with CCA wire and heat-resistant adhesive, a copper Faraday short-circuit ring, and a magnet measuring 156 x 60 x 18 mm. The mounting diameter is 185 mm with a mounting depth of 92 mm.

Features
  • 8-inch (20 cm) mid-bass driver
  • Full range dual-cone speaker
  • 400 watts RMS
  • 4 ohms
  • High efficiency
  • Aluminum die-cast basket
  • Ultra-light whizzer cone
  • Paper diaphragm with fabric surround
  • Copper Faraday short-circuit ring
  • 45 mm Kapton vented voice coil, CCA wire, heat-resistant adhesive
  • Mounting diameter: 185 mm
  • Mounting depth: 92 mm
  • Magnet: 156 x 60 x 18 mm
Technical Specifications
  • Driver size: 203.2 mm (8 inches)
  • Frequency response: 100 Hz - 16 kHz
  • Resonance frequency (Fs): 98 Hz
  • Qms: 8.95
  • Qes: 0.37
  • Qts: 0.35
  • Equivalent volume (Vas): 10.85 liters
  • Maximum linear excursion (Xmax): 4 mm
  • Peak-to-peak travel: 16 mm
  • Sound pressure level: 97 dB
  • BL factor: 8.9 T·m
  • Mounting diameter: 185 mm
  • Mounting depth: 92 mm
  • Voice coil: 45 mm Kapton, vented; CCA wire; heat-resistant adhesive
  • Magnet: 156 x 60 x 18 mm (51 oz)

Frequently Asked Questions about VO-FR508

What performance does the VO-FR508 from DD Audio offer?

The VO-FR508 from DD Audio delivers an impressive power of 400 Watts RMS. This enables powerful and clear music playback, ideal for applications in motorcycles, boats, and UTVs. With a high efficiency, it adapts to various environments. Particularly, the interaction between the technical components such as the aluminum die-cast basket and the paper cone with a fabric surround ensures that the speaker operates stably even at high volumes. The sound pressure level of 97 dB ensures that every note is reproduced clearly and distinctly, providing an impressive sound experience.

What frequency range does the VO-FR508 cover?

The VO-FR508 speaker from DD Audio covers a frequency range from 100 Hz to 16 kHz. This bandwidth allows the speaker to reproduce both deep bass and clear highs. Particularly, the ultra-light whizzer cone optimizes sound quality in the upper frequency ranges. The resonance frequency is at 98 Hz, which means that the speaker is specifically designed to efficiently reproduce frequencies in this range, ideal for music characterized by dynamic bass lines and clear vocals.

What features does the speaker basket of the VO-FR508 have?

The speaker basket of the VO-FR508 is made of aluminum die-cast, which gives it high stability and durability. This construction helps ensure that the speaker's structural integrity is not compromised even under high load. The basket diameter is 185 mm and it has a mounting depth of 92 mm, making it easier to install in various enclosure shapes without compromising sound quality. This design allows users to utilize the speaker in both indoor and outdoor areas.

How does the copper Faraday short-circuit ring affect the performance of the VO-FR508?

The copper Faraday short-circuit ring built into the VO-FR508 optimizes the reproduction of high-frequency sounds by minimizing distortions. It counteracts the inductance of the voice coil, leading to clearer and more precise audio playback. This factor is crucial, especially at high volumes or with complex musical pieces, to preserve the purity of the sound signals. The ring contributes to the efficient magnetic field, which, in combination with the 51 Oz magnet, significantly enhances the acoustic performance and responsiveness of the speaker.

How is the voice coil of the VO-FR508 constructed?

The voice coil of the VO-FR508 is housed in a 45 mm ventilated winding body made of Kapton and uses CCA wire. The use of a heat-resistant binder ensures that the coil does not overheat under continuous maximum power. The design supports both the thermal and mechanical resilience of the speaker, sustainably improving performance. This construction helps ensure that the voice coil operates reliably even under adverse conditions and during intense music sessions, which is particularly crucial for speakers used in outdoor applications.

What is the resonance frequency of the VO-FR508 and why is it important?

The resonance frequency (Fs) of the VO-FR508 is 98 Hz, making the speaker optimal for reproducing low frequencies. A balanced resonance frequency is essential for accuracy and efficiency in sound reproduction at lower frequencies. This specification plays a vital role, especially in mobile applications like boats or motorcycles, where clear bass is required despite background noise. The specified Fs ensures that the speaker does not lose precision even at low pitches.

What materials are used in the diaphragm construction of the VO-FR508?

The VO-FR508 uses a paper diaphragm in combination with a fabric surround to ensure optimal sound reproduction. This material combination offers both lightness and flexibility, resulting in precise and dynamic audio playback. Paper diaphragms are known for their ability to produce particularly natural sound colors, while the fabric surround provides the necessary stability to maintain consistently high sound quality at both low and high volumes. These characteristics make the speaker versatile for various acoustic scenarios.

How does the VO-FR508 integrate into existing audio systems?

The VO-FR508 from DD Audio can be flexibly integrated into existing audio systems due to its 185 mm installation diameter. With a mounting depth of 92 mm and an impedance of 4 Ohms, it can be seamlessly incorporated into many vehicle and watercraft installations. The high efficiency ensures an effective energy delivery, making it easier to adapt to amplifier systems. Especially in complex sound systems, where different speaker types need to harmonize, the VO-FR508 offers smooth and high-performance integration through its tuned specifications.

What are the ideal installation locations for the VO-FR508?

The VO-FR508 is excellent for use in motorcycles, boats, and UTVs. Due to its robust construction with the aluminum die-cast basket, it can be easily positioned both indoors and outdoors. Its dimensions - installation diameter of 185 mm and a depth of 92 mm - allow for flexible placement, even in tight and compact vehicle areas. The speaker is designed to maintain its excellent sound quality regardless of placement, whether on the open deck of a boat or inside a vehicle.

What specific parameters influence the performance of the VO-FR508?

The VO-FR508 has technical parameters such as Qms, Qes, and Qts of 8.95, 0.37, and 0.35 respectively, providing a balanced behavior between mechanical and electrical damping. The Bl factor is 8.9 T·m, optimizing the electromagnetic drive and contributing to the speaker's efficiency. The Xmax value of 4 mm indicates the maximum linear excursion, ensuring controlled diaphragm movement and minimizing distortion. These specific parameters are crucial for enabling the speaker's excellent performance and flexible use in various acoustic environments.

Manufacturer information/responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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