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Technical Highlights

  • The speaker delivers 300 watts RMS, with an impedance of 4 ohms.
  • Frequency response ranges from 80 Hz to 8 kHz, SPL at 93 dB.
  • With a 1.5" voice coil, 55 Hz resonance frequency, weighing 2.5 kg.
  • More technical details
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Normal price €139,30
Normal price -30% €199,00 Selling price €139,30
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VO-M8a by DD Audio

VO-M8a is an 8 inch (20 cm) mid-bass driver from DD Audio. It features 300 Watts RMS at 4 Ohms. The frequency response ranges from 80 to 8000 Hz, with a resonance frequency of 55 Hz. The parameters include Qms 2.273, Qes 0.352, and Qts 0.305. The equivalent volume is 27.767 liters and the sound pressure level is 93 dB. The voice coil diameter is 38.1 mm. The mounting diameter is 177.8 mm and the installation depth is 76.2 mm. The weight is 2.5 kg, including grille.

Features
  • 8 inch (20 cm) mid-bass driver
  • 300 Watts RMS
  • 4 Ohm impedance
  • Frequency response: 80–8000 Hz
  • Mounting diameter: 177.8 mm
  • Installation depth: 76.2 mm
  • Weight: 2.5 kg
  • Including grille
Technical Specifications
  • Voice coil diameter: 38.1 mm
  • Resonance frequency (Fs): 55 Hz
  • Qms: 2.273
  • Qes: 0.352
  • Qts: 0.305
  • Equivalent volume (Vas): 27.767 liters
  • Sound pressure level: 93 dB

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Frequently Asked Questions about VO-M8a


What are the main technical features of the VO-M8a?

The VO-M8a from DD Audio is an 8-inch mid-bass driver that impresses with its technical specifications. It offers an RMS power of 300 watts and is equipped with a 1.5-inch voice coil. The speaker has an impedance of 4 ohms and covers a frequency range of 80 Hz to 8 kHz. With a resonance frequency (Fs) of 55 Hz combined with the parameters Qms (2.273), Qes (0.352), Qts (0.305), and a Vas value of 27.767 liters, the VO-M8a provides full sound depth. The efficiency is at 93 dB SPL, making it particularly efficient.

What are the installation requirements for the DD Audio VO-M8a?

When installing the DD Audio VO-M8a, there are some specific requirements to consider. The mounting diameter is 177.8 mm, while the installation depth is 76.2 mm. These dimensions are crucial to ensure that the speaker is mounted correctly and securely, especially in tight spaces or existing fixtures. It is important to allow enough space to ensure optimal sound reproduction. Particularly in vehicles or devices with limited space, it is necessary to check these measurements carefully. The weight of 2.5 kg should also be taken into account when planning the mounting.

How does the VO-M8a fit with different sound systems?

The VO-M8a from DD Audio is not only ideal for pro audio applications but also serves as a powerful addition to existing audio systems. It effortlessly replaces conventional OEM deck and door speakers, achieving unprecedented sound quality. With ultra-fast transients and high performance, it is also compatible with subwoofer systems. Whether in boats, motorcycles, power sports vehicles, or PA systems - the VO-M8a elevates any setup to an impressive concert level. This versatility allows it to be integrated into various environments and applications that demand stronger sound experiences.

What frequency ranges does the DD Audio VO-M8a cover?

The DD Audio VO-M8a is capable of covering a wide range of frequencies, namely from 80 Hz to 8 kHz. This bandwidth allows the speaker to efficiently reproduce both low and mid-range frequencies, which is particularly remarkable for mid-bass drivers of this class. Its resonance frequency (Fs) is at 55 Hz, emphasizing deeper bass tones, while the frequency response is suitable for seamless integration into more complex audio systems. This frequency range enables it to work seamlessly with other components in the sound system to produce a full, rounded sound profile.

What advantages does the VO-M8a offer compared to other mid-bass drivers?

The VO-M8a offers unique advantages that set it apart from many other speakers on the market. Its design is based on elements from both the pro audio and high-end car audio sectors, ensuring high output performance with minimal distortion. This combination of design and technology allows it to reproduce even the most demanding music genres with clarity and precision. Its integration into various sound environments, including boats and motorcycles, demonstrates the speaker's exceptional versatility, while the high efficiency of 93 dB SPL ensures effective performance even with lower amplifier power.

How do the Thiele Small parameters affect the performance of the VO-M8a?

Thiele Small parameters play a crucial role in characterizing the acoustic performance of a speaker, and the VO-M8a from DD Audio is no exception. With a Qms of 2.273, a Qes of 0.352, and a Qts of 0.305, this speaker shows an ideal balance between mechanical and electrical damping. The Vas value of 27.767 liters indicates that the speaker operates efficiently in medium-sized enclosures. These parameters allow the VO-M8a to deliver high sound pressure levels while maintaining the clarity of audio output.

Is the VO-M8a suitable for use in boats and motorcycles?

Yes, the VO-M8a from DD Audio is excellently suited for use in boats and motorcycles, as well as in powersport vehicles. Thanks to its robust construction and high performance, it can deliver consistent sound quality even in challenging environments found on water and road. Its ability to compete with strong ambient noise gives it a significant advantage over some other speaker options. Additionally, the versatility in installation allows it to be used efficiently in non-standard spaces, which is particularly beneficial in mobile and marine applications.

How does the impedance of the VO-M8a affect system performance?

The impedance of a speaker is crucial for its integration into an audio system, and the VO-M8a has an impedance of 4 ohms. This impedance is typical for many car audio and home audio amplifiers, ensuring easy compatibility. A lower impedance can draw more power from the amplifier, delivering a louder-sounding system, as long as the amplifier is designed for it. The 4-ohm resistance of the VO-M8a allows for this efficiency without the risk of overloads or distortions, which is particularly important for enjoying powerful music.

What is the dB SPL efficiency of the DD Audio VO-M8a?

The efficiency of a speaker is often indicated by the dB SPL value, which measures the sound pressure level that a speaker outputs. The VO-M8a from DD Audio offers an efficient dB SPL of 93. This high efficiency means that the speaker can achieve a high volume with low input power. This is especially beneficial for applications where amplifier power may be limited, such as in mobile or compact audio environments. The VO-M8a delivers a high volume level due to this efficiency, while also being keen on precision and clarity, providing the user with detailed listening enjoyment.

What placement requirements should you know for the VO-M8a?

For optimal placement of the VO-M8a, the specific product dimensions are essential. The recommended mounting diameter is 177.8 mm with a mounting depth of 76.2 mm, allowing it to fit particularly well into standard car speaker openings or custom-made enclosures. The weight of 2.5 kg confirms the need for a stable mount to avoid rattling and vibration noises that could affect operation. It is also important to ensure free access to secure the speaker connection and arrange cable pass-throughs. The placement should be aligned with the characteristic vibration property of the VO-M8a to ensure consistent sound projection.

Manufacturer information / responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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