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  5. Ultimax II UMII15-22

Ultimax II UMII15-22

1 review

800 Watt

Ultimax II UMII15-22

1 review

Technical Highlights

  • 800 Watts RMS power, 1,600 Watts peak power, 2+2 Ohm.
  • Sensitivity 89.1 dB, frequency response 20–500 Hz, 63.5 mm coil diameter.
  • Max. excursion 19 mm, cone area 814.6 cm², 101.9 liters Vas.
  • More technical details
€368.55
€379.00 €368.55
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ProductUltimax II UMII15-22

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Dayton Audio-Ultimax II UMII15-22-15" (38cm) Subwoofer-masori-kaufen
€368.55
€379.00 €368.55

More power than Ultimax II UMII15-22 here!

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The Ultimax II UMII15-22 is a 15-inch (38 cm) Subwoofer from Dayton Audio featuring a thick, one-piece Nomex honeycomb cone reinforced with high-performance fiberglass. It is equipped with two 2-Ohm copper voice coils with 2 layers, two linear stiffness spiders, a large vented pole piece, and venting under the spider. The RMS power is 800 watts, with a peak power of 1,600 watts. Technical specifications include a sensitivity of 89.1 dB (2.83 V/1 m), a frequency response of 20–500 Hz, and a maximum excursion of 19 mm. The voice coil diameter is 63.5 mm, the impedance is 2 + 2 Ohm, and the equivalent volume is 101.9 liters. The outer diameter, total depth, and cutout diameter are 388 mm, 226 mm, and 350 mm; it is designed with 8 mounting holes with a diameter of 6 mm.

Features
  • 15-inch (38 cm) Subwoofer
  • Thick, one-piece honeycomb Nomex diaphragm with woven high-performance fiberglass
  • Two linear stiffness spiders
  • Two 2-Ohm copper voice coils with 2 layers
  • Large vented pole piece and venting under the spider
  • 800 watts RMS power
  • 1,600 watts peak power
  • Series: Ultimax II DVC
Technical Specifications
  • Nominal diameter: 381 mm
  • Power handling (RMS): 800 watts
  • Peak power: 1,600 watts
  • Impedance: 2 + 2 Ohm
  • Sensitivity (2.83 V/1 m): 89.1 dB
  • Frequency response: 20–500 Hz
  • Voice coil diameter: 63.5 mm
  • DC resistance (Re): 3.7 Ohm
  • Voice coil inductance (Le): 0.8 mH
  • Resonant frequency (Fs): 28.4 Hz
  • Mechanical quality (Qms): 2.80
  • Electrical quality (Qes): 0.95
  • Total quality (Qts): 0.71
  • Moving mass (Mms): 287 g
  • Suspension compliance (Cms): 0.11 mm/N
  • Diaphragm area (Sd): 814.6 cm²
  • Displacement volume (Vd): 1.548 cm³
  • Force factor (BL): 14.1 Tm
  • Equivalent volume (Vas): 101.9 liters
  • Maximum excursion (Xmax): 19 mm
  • Outer diameter: 388 mm
  • Total depth: 226 mm
  • Cutout diameter: 350 mm
  • Mounting holes: 8
  • Mounting hole diameter: 6 mm
  • Woofer type: Subwoofer
  • Woofer series: Ultimax II DVC

Immediately available 15" (38cm) Subwoofer

    Frequently Asked Questions about Ultimax II UMII15-22

    What are the performance parameters of the Dayton Audio Ultimax II UMII15-22 Subwoofer?

    The Dayton Audio Ultimax II UMII15-22 Subwoofer offers an RMS power of 800 watts and a peak power of 1,600 watts. This high power capability ensures that the subwoofer does not reach its limits even with intense bass signals. The frequency response ranges from 20 to 500 Hz, covering a wide range of low frequencies. With a maximum excursion of 19 mm, it provides excellent deep bass reproduction, while the sensitivity of 89.1 dB (2.83 V/1 m) allows for efficient operation.

    What are the Thiele-Small parameters of the Ultimax II UMII15-22?

    The Thiele-Small parameters of the Dayton Audio Ultimax II UMII15-22 Subwoofer are crucial for understanding its acoustic performance. The resonance frequency (Fs) is 28.4 Hz, which allows for good performance in the deep bass range. With a mechanical quality factor (Qms) of 2.80, an electrical quality factor (Qes) of 0.95, and a total quality factor (Qts) of 0.71, the subwoofer offers a balanced mix of electrical and mechanical parameters. The moving mass (Mms) is 287 g, and the compliance of the suspension (Cms) is 0.11 mm/N, while the force factor (BL) is 14.1 Tm.

    What is the frequency response of the Dayton Audio UMII15-22 Subwoofer?

    The frequency response of the Dayton Audio Ultimax II UMII15-22 ranges from 20 to 500 Hz. This bandwidth allows the subwoofer to cover both extremely low and mid frequencies, resulting in a voluminous and full sound profile. The lower limit is supported by the resonance frequency (Fs) of 28.4 Hz. With its diaphragm area of 814.6 cm², the subwoofer can move a significant amount of air, providing a rich sound experience, especially with low tones. The design allows for a frequency-rich deep bass, making it ideal for demanding audio playback.

    What dimensions are required for the installation of the Dayton Audio Ultimax II UMII15-22?

    When installing the Dayton Audio Ultimax II UMII15-22, the installation dimensions are crucial. The Subwoofer has an outer diameter of 388 mm and a total depth of 226 mm. The cutout diameter is 350 mm, which must be taken into account. Additionally, there are 8 mounting holes with a diameter of 6 mm to ensure stability during operation. If you want to integrate the Subwoofer into a cabinet, the volume should be at least 101.9 liters to ensure optimal performance and resonance.

    What is the voice coil diameter of the Dayton Audio UMII15-22?

    The voice coil diameter of the Dayton Audio Ultimax II UMII15-22 is 63.5 mm, which significantly contributes to the load capacity and effectiveness of the Subwoofer. There are two 2-ohm copper voice coils with 2 layers, which ensure controlled power transfer. This design allows for handling high power levels and prevents unwanted overheating. The voice coils impress with their construction, allowing for fine details in the low-frequency range, which is crucial for a detailed, nuanced sound image in music and film audio.

    How is the sensitivity of the Dayton Audio Ultimax II UMII15-22 designed?

    The sensitivity of the Dayton Audio Ultimax II UMII15-22 Subwoofer is 89.1 dB (2.83 V/1 m). This figure is crucial for the efficiency of the Subwoofer and indicates how much sound pressure a system can generate from a given input signal. With this sensitivity, even high volumes can be achieved without distorted playback. This feature makes the Subwoofer ideal for powerful applications where precise reproduction and dynamics are essential, ensuring that an adequate sound pressure level is achieved even with lower power amplifiers.

    What specific materials make the Dayton Audio Subwoofer so special?

    The Dayton Audio Ultimax II UMII15-22 Subwoofer is characterized by the use of high-quality materials. The one-piece, honeycomb Nomex diaphragm is reinforced with high-performance fiberglass, ensuring both strength and lightness. This construction provides extreme stability and minimizes distortion at very high volumes. Additionally, the two linear stiffness spiders provide extra control and precision to the diaphragm movements. The material usage elevates the performance markers of the Subwoofer to a higher level and ensures a more even sound distribution.

    What impedance does the Dayton Audio Ultimax II UMII15-22 have?

    The Dayton Audio Ultimax II UMII15-22 has a complex impedance of 2 + 2 Ohm. These dual voice coils allow for flexible driving options, which can be operated in both parallel and series configurations depending on the wiring, benefiting different types and powers of amplifiers. The DC resistance (Re) of 3.7 Ohm and the specific voice coil inductance (Le) of 0.8 mH are crucial for the system's adaptability to various acoustic applications.

    Can the UMII15-22 be installed in different vehicle models?

    Since the UMII15-22 has an outer diameter of 388 mm and a total depth of 226 mm, it can theoretically be installed in many vehicle models that have a suitable installation volume in the trunk or under the seats. The cutout diameter of 350 mm is optimized for standardized installation fixtures. When planning and executing, it is crucial that the vehicle has a suitable acoustic concept to fully utilize the sound range of the Subwoofer. Actual compatibility depends on the specific vehicle and its available space layout.

    How is the Dayton Audio Subwoofer best installed?

    When installing the Dayton Audio Ultimax II UMII15-22 Subwoofer, it should first be ensured that the enclosure has the recommended volume of 101.9 liters to optimize acoustic performance. The Subwoofer should be securely screwed to the 8 mounting points with a diameter of 6 mm to minimize vibrations. Thanks to the flexible 2 + 2 Ohm impedance, different wiring options can be used to best harmonize with the amplifier being used. The installation location should be well-ventilated to protect the components from overheating, which increases the lifespan of the Subwoofer.

    Manufacturer information/responsible person

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


    Contact: info@audio-components.com

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