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VO-MN308

200 Watt

VO-MN308

Technical Highlights

  • Power of 200 W, impedance of 4 ohms, with 97 dB sound pressure.
  • Neodymium main magnet ring, Kapton coil former, CCA wire technology.
  • Frequency range from 100 Hz to 14 kHz, resonance frequency at 102 Hz.
  • More technical details
€99.00
€99.00 €99.00
2% discount with credit card

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ProductVO-MN308

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DD Audio-VO-MN308-8" (20cm) Tiefmitteltöner-masori-kaufen
€99.00
€99.00 €99.00

The VO-MN308 is an 8-inch (20 cm) mid-bass driver from DD Audio with 200 Watts RMS at 4 Ohms. The dual neodymium magnet configuration includes a neodymium main magnet ring and a supercharged neodymium ring. The treated long-fiber paper cone with a fabric surround is complemented by an ultra-lightweight former cap. A 38 mm Kapton-vented voice coil with CCA wire is integrated. The driver achieves a sound pressure level of 97 dB, a resonance frequency of 102 Hz, and a frequency range of 100 Hz to 14 kHz. Other specifications include 5 mm Xmax, 15 mm peak-to-peak excursion, a BL of 8.8 T·m, a cutout diameter of 181 mm, and a mounting depth of 86 mm. A low-inductance and low-distortion Faraday short-circuit ring motor is present.

Features
  • 8-inch (20 cm) mid-bass driver
  • Treated long-fiber paper cone with fabric surround
  • Ultra-lightweight former cap for extended high-frequency reproduction
  • 38 mm Kapton-vented voice coil
  • CCA wire
  • Neodymium main magnet ring
  • Supercharged neodymium ring
  • Low-inductance and low-distortion Faraday short-circuit ring motor
  • NEO PA midrange driver
Technical Specifications
  • RMS Power: 200 Watts
  • Impedance: 4 Ohms
  • Sound Pressure Level: 97 dB
  • Frequency Range: 100 Hz – 14 kHz
  • Resonance Frequency Fs: 102 Hz
  • Voice Coil Diameter: 38.1 mm
  • Xmax: 5 mm
  • Peak-to-Peak Excursion: 15 mm
  • BL: 8.8 T·m
  • Qms: 11.96
  • Qes: 0.57
  • Qts: 0.55
  • Vas: 14.77 liters
  • Cutout Diameter: 181 mm
  • Mounting Depth: 86 mm

Frequently Asked Questions about VO-MN308

What are the technical specifications of the DD Audio VO-MN308?

The DD Audio VO-MN308 is an 8-inch neodymium midrange driver equipped with a dual neodymium magnet structure. The power rating is 200 watts RMS at an impedance of 4 ohms. The voice coil, with a diameter of 38.1 mm, is copper-coated and wound on a Kapton vented former, which improves heat dissipation. Notable highlights include the ultra-light long-fiber pulp diaphragm and the neodymium main magnet ring, which help produce precise sound details with a sound pressure level of 97 dB. The frequency range is between 100 Hz and 14 kHz, ideal for high-quality audio applications.

What is the installation compatibility of the VO-MN308?

The cutout diameter of the VO-MN308 is 181 mm, while the mounting depth measures 86 mm. These dimensions allow for a variety of installation options in common car audio setups, provided there is sufficient mounting depth. The speaker is compatible with installations that support a midrange driver design with similar dimensions. Special attention should be paid to the cutout to ensure that no bottlenecks hinder integration into the existing sound system. For vehicle models with limited installation space, compatibility should be checked before installation to ensure a smooth setup.

What is the resonance frequency of the VO-MN308?

The resonance frequency of the VO-MN308 is 102 Hz. This frequency is a critical parameter that marks the point at which the mechanical impedance of the speaker is at its lowest. This allows the speaker to effectively transmit vibrations, with the design of the neodymium main magnet ring and the Kapton vented former being essential elements to support high performance at this specific frequency. The resonance frequency value is also an indicator of the suitability of the VO-MN308 in broadband audio playback applications and significantly influences the overall sound profile.

How does the ultra-light long-fiber pulp diaphragm affect the sound of the VO-MN308?

The ultra-light long-fiber pulp membrane of the VO-MN308 significantly contributes to its outstanding sound quality. Due to its low mass, this membrane allows for a quick and precise response to electrical input signals, resulting in detailed sound clarity. The treatment of this type of membrane maximizes both sensitivity and response speed within the covered frequency range of 100 Hz to 14 kHz. The integration with the neodymium main magnet ring ensures a consistent and low-distortion audio experience, even at high sound pressure levels like the impressive 97 dB of the VO-MN308.

Why is the sound pressure level of the VO-MN308 important?

The sound pressure level of the VO-MN308 is 97 dB, indicating the high efficiency of the speaker. A higher sound pressure level means that the speaker can deliver more sound energy at the same power, which is particularly beneficial when listening to music in louder environments. The high efficiency of the neodymium magnet combined with the lightweight pulp membrane ensures dynamic and powerful sound reproduction. The sound pressure level is a crucial factor in understanding the performance of the speaker, especially when it is installed in a car audio system, where sufficient volume is required to effectively fill the vehicle's interior with sound.

What role does the voice coil play in the VO-MN308?

The copper-coated aluminum voice coil of the VO-MN308, with a diameter of 38.1 mm, is a central element for sound reproduction. This voice coil ensures efficient conversion of electrical energy into mechanical movement. The use of copper-coated aluminum combines the good heat dissipation properties of copper with the lightweight construction of aluminum, both of which contribute to enhanced performance. In conjunction with a kapton-vented coil former, this maximizes thermal stability, which is important for consistent performance even under high loads. Thus, reliability is ensured even during longer music sessions.

What does the Qts value mean for the VO-MN308?

The total quality factor (Qts) of the VO-MN308 is 0.55. This value provides insights into the suitability of the speaker for various enclosure types in audio technology, whether in sealed or bass reflex enclosures. A Qts value around 0.5 indicates a more flexible usability in different acoustic environments without compromising sound quality. The Qts is a theoretical value calculated from the electrical (Qes = 0.57) and mechanical quality factors (Qms = 11.96), and it influences the transfer behavior in the frequency range near the resonance frequency. Thus, the VO-MN308 delivers balanced sound characteristics, ideal for many applications.

What frequency range does the VO-MN308 operate in?

The frequency range of the VO-MN308 extends from 100 Hz to 14 kHz. Within this spectrum, it delivers exceptional sound fidelity across a wide range, which is crucial for a midrange driver to cover both the lower mids and part of the high frequencies. The bandwidth is achieved through the sophisticated design of the ultra-lightweight cellulose diaphragm and the strong neodymium magnet ring in conjunction with the advanced voice coil. This makes the VO-MN308 versatile, from powerful music bass to detailed highs, ideal for enthusiastic audiophiles who prefer a seamless sound image.

What materials are used in the VO-MN308?

High-quality materials in the VO-MN308 ensure its performance. A treated long-fiber paper diaphragm, along with the fabric surround, provides dynamic reproduction and robustness. The neodymium ring and the copper-coated aluminum voice coil wire optimize the magnetic flux density and reduce inductance and distortion. The Kapton-vented coil carrier ensures additional thermal stability. This combination of materials maximizes the efficiency and bandwidth of the midrange driver, leading to improved sound quality. These carefully selected components are crucial for ensuring long-lasting and highly accurate audio reproduction.

What influence does the neodymium main magnet ring have in the VO-MN308?

The neodymium main magnet ring used in the VO-MN308 is fundamental to the high efficiency and performance of the speaker. Neodymium is known for its strong magnetic properties, providing higher energy in a smaller volume compared to conventional ferrite magnets. This allows for a compact design without loss of power. The neodymium magnet in the VO-MN308 helps minimize distortion and improves electromagnetic efficiency. Combined with Faraday short-circuit rings that reduce inductance, this design offers optimized sound reproduction with a precise and clear audio profile across the entire frequency range.

Manufacturer information/responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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