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Dayton Audio Ultimax II UMII12-22 12" (30cm) Subwoofer
SKU:  ULTIMAX-II-UMII12-22
EAN:  0848791010231

1 Review

600 Watt

Ultimax II UMII12-22

SKU:  ULTIMAX-II-UMII12-22
EAN:  0848791010231

1 Review

Technical Highlights

  • Power 600 watts RMS, peak power 1,200 watts, 2x2 ohms.
  • Voice coil 76 mm, copper, aluminum basket, 22 mm excursion.
  • Frequency response 22–400 Hz, sensitivity 88.6 dB, Vas 53 liters.
  • More technical details

10% Code
€299,00
€299,00 €299,00
inkl. VAT , possibly plus shipping
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Ultimax II UMII12-22 by Dayton Audio Description

The Dayton Audio Ultimax II UMII12-22 is a 12-inch (30 cm) Subwoofer with two 2-ohm voice coils. A one-piece Nomex honeycomb diaphragm with woven fiberglass reinforcement and two linear spiders form the drive unit. The voice coil with a diameter of 76 mm is made of dual-layer copper. The nominal power handling is 600 watts RMS, with a peak power of 1,200 watts. The maximum linear excursion is 22 mm. The basket is made of aluminum. The outer diameter is 321 mm, the total depth is 202 mm, and the cutout diameter is 285 mm. The frequency response is specified at 22–400 Hz, with a sensitivity of 88.6 dB (1 m/2.83 V).

Features
  • 12-inch (30 cm) Subwoofer
  • Two 2-ohm voice coils made of dual-layer copper
  • One-piece Nomex honeycomb diaphragm with woven fiberglass reinforcement
  • Two linear spiders
  • Voice coil diameter 76 mm
  • Maximum linear excursion 22 mm
  • RMS power 600 watts
  • Peak power 1,200 watts
  • Aluminum basket
  • Outer diameter 321 mm
  • Total depth 202 mm
  • Cutout diameter 285 mm
  • Mounting holes 8
  • Diameter of mounting hole 6.4 mm
Technical Specifications
  • Series: Ultimax II DVC
  • Nominal diameter: 305 mm
  • Impedance (Z): 2 + 2 Ω
  • Sensitivity (SPL at 1 m / 2.83 V): 88.6 dB
  • Frequency response: 22–400 Hz
  • DC resistance (Re): 4.2 Ω
  • Voice coil inductance (Le): 0.66 mH
  • Resonance frequency (Fs): 31 Hz
  • Mechanical quality factor (Qms): 2.75
  • Electrical quality factor (Qes): 0.71
  • Total quality factor (Qts): 0.56
  • Moving mass (Mms): 189 g
  • Suspension compliance (Cms): 0.133 mm/N
  • Diaphragm area (Sd): 528 cm²
  • Displacement volume (Vd): 1162 cm³
  • Force factor (BL): 14.8 Tm
  • Equivalent volume (Vas): 53 liters
  • Power handling (QMW): 800 watts

12" (30cm) Subwoofer available now

    Frequently Asked Questions about Ultimax II UMII12-22

    What is the power handling of the Dayton Audio Ultimax II UMII12-22?

    The power handling of the Dayton Audio Ultimax II UMII12-22 is 600 Watts RMS, and the peak power reaches an impressive 1,200 Watts. These values allow the Subwoofer to deliver deep and powerful bass with minimal distortion, even under heavy use. The dual-layer copper voice coils ensure flexibility in wiring, enhancing adaptability for various audio applications. So, for those seeking high performance for low-frequency sounds, the Ultimax II UMII12-22 is a particularly suitable partner.

    What frequency range does the Ultimax II UMII12-22 cover?

    The Ultimax II UMII12-22 covers a frequency range from 22 Hz to 400 Hz. The lower limit of 22 Hz is particularly interesting for reproducing deep bass, which contributes to a fuller sound experience. The sensitivity is 88.6 dB SPL at 1 meter and 2.83 V, promising a solid volume level. The sophisticated combination of diaphragm materials also provides the necessary stiffness to reproduce these tones accurately.

    How are the voice coils in the Ultimax II UMII12-22 Subwoofer constructed?

    The voice coils of the Ultimax II UMII12-22 are made of dual-layer copper and are configured in a dual 2-ohm setup, offering flexible wiring options. The voice coil diameter is 76 mm, contributing to the solid power output of the Subwoofer. With a DC resistance of 4.2 ohms and a voice coil inductance of 0.66 mH, this design ensures excellent electrical efficiency and a high BL factor of 14.8 Tm for powerful low-frequency reproduction.

    What are the dimensions of the Dayton Audio Ultimax II UMII12-22?

    The outer diameter of the Ultimax II UMII12-22 is 321 mm, the total depth is 202 mm, and the cutout diameter is 285 mm. The mounting holes are distributed across eight positions, with the diameter of the mounting holes being 6.4 mm. These precise dimensions are crucial when it comes to fitting the Subwoofer into enclosures or installing it in vehicle environments.

    What materials are used in the cone of the Ultimax II UMII12-22?

    The cone of the Ultimax II UMII12-22 is made from a one-piece Nomex honeycomb structure with fiberglass reinforcement. This choice of material provides exceptional stiffness and deformation resistance. The combination of the structural integrity of the Nomex honeycomb and the durability of the fiberglass allows for precise bass reproduction even at high volumes without distortion. The diaphragm area is 528 cm², which significantly impacts low-frequency performance.

    Which enclosure types are compatible with the Ultimax II UMII12-22?

    The Ultimax II UMII12-22 is designed for use in both sealed and vented enclosures. Its adaptability to different enclosure types enhances its versatility, allowing you to tailor the Subwoofer performance to the specific acoustic environment and your personal preferences. The Subwoofer performs best when the enclosure size is matched to the Thiele-Small parameters, particularly Vas of 53 liters and Qts of 0.56.

    What Thiele-Small parameters does the Ultimax II UMII12-22 have?

    The Ultimax II UMII12-22 has the following Thiele-Small parameters: resonance frequency (Fs) of 31 Hz, mechanical quality factor (Qms) of 2.75, electrical quality factor (Qes) of 0.71, and total quality factor (Qts) of 0.56. The equivalent volume (Vas) is 53 liters, and the moving mass (Mms) is 189 g. These parameters are essential for tuning and enclosure design to achieve maximum bass performance.

    How is distortion minimized in the Ultimax II UMII12-22?

    Distortion in the Ultimax II UMII12-22 is minimized by using two linear stiffness spiders to limit distortions and vibration modes. This design allows for precise reproduction of low frequencies even at maximum excursion of 22 mm. With a combination strategy of advanced cooling and ventilation, sound quality remains consistently high, which is particularly important for music lovers with high demands for low-frequency quality.

    What compatibility does the Ultimax II UMII12-22 have with other audio components?

    With the two 2-ohm voice coils of the Ultimax II UMII12-22, the Subwoofer offers high flexibility in wiring. This facilitates adaptation to various amplifier configurations and allows for easy integration into existing audio systems. The ability to be used in both series and parallel configurations enhances compatibility with many common brands and models of audio components, ensuring customization to individual needs.

    What technical highlights does the Dayton Audio Ultimax II UMII12-22 offer?

    The Ultimax II UMII12-22 features several technical highlights, including a one-piece Nomex honeycomb diaphragm with fiberglass-reinforced structure, which provides stiffness and improved bass performance. Notable are the two 2-ohm copper voice coils that promote flexibility in wiring. The Subwoofer boasts a resonance frequency of 31 Hz and a maximum power of 1,200 watts. These features make it ideal for use in various audiovisual applications, whether for private use or in vehicles.

    Manufacturer information / responsible person

    Audio Components BV
    Koen Pronk, Martijn Ouwerkerk
    Peizerweg 97a
    9727AJ Groningen
    Netherlands


    Contact: info@audio-components.com