Dayton Audio UM8-22 8" Ultimax DVC Subwoofer

    € 148,72€ 179,95 >10 Op voorraad: levertijd 1 werkdag
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    • In-house technische support


    Dayton Audio's Ultimax Series DVC subwoofers are purpose-built to move air and create clean, articulate, fast bass. Optimized for small enclosures and with over 1-1/4" of throw, the UM8-22 8" subwoofer is perfect for providing deep bass without taking up much space. Experience the apex of subwoofer design.



    • 16 mm xmax makes this one of the highest excursion 8" subwoofers on the market
    • Thick, one-piece Nomex honeycomb covered cone with woven heavy-duty glass-fiber
    • Tall-boy rubber surround for extra-long linear excursion without reducing cone surface area
    • Dual linear stiffness spiders limit distortion and rocking modes
    • 300 watts RMS power handling
    • Black anodized aluminum former and black pole improves heat dissipation
    • Dual 2 ohm, 2-layer copper voice coils


    Product details

    Dayton Audio UM8-22 8" Ultimax DVC Subwoofer 2 Ohms Per Coil


    If you want outrageous amounts of bass, you gotta move some air


    The Ultimax Series of dual voice coil subwoofers, from Dayton Audio, are not for the faint of heart. Built using the latest in subwoofer technology, Ultimax subwoofers are the pinnacle of low frequency driver design. An Ultimax subwoofer tests the strength of your foundation with fast, articulate, gut-wrenching bass.


    The versatility you need for mobile, home, or pro subwoofer excellence


    Dual 2 ohm voice coils allow for stereo 2 ohm and mono 1 ohm wiring configurations when connecting to high current car audio and professional audio amplifiers to extract maximum power. For home audio applications, simply wire the voice coils in series for a benign 4 ohm load for greater amplifier compatibility.


    Built to produce massive low frequency output and keep on doing it


    To improve power handling, increase thermal management, and reduce power compression, Dayton Audio designed the Ultimax Series with large black anodized formers and vented pole pieces, under-spider ventilation, and two-layer copper voice coils.


    Over 1-1/4" of travel (.67" Xmax) is kept completely linear through the use of dual spiders that also limit distortion and rocking modes. "Tall-boy" rubber surrounds with integrated gaskets maintain driver surface area during extreme excursion moments. The thick, one-piece Nomex honeycomb cone is covered with woven, heavy-duty glass fibers creating an ultra-stiff surface that resists deformation.


    A strong motor takes you to wherever you want to be


    A large copper sleeve and copper pole cap in the motor reduce energy storage from inductance, with the side benefit of lowering distortion for "faster" response. Large dual-stacked, high-energy magnets handle the heavy lifting and bring Qts down to a level where Ultimax subwoofers can be used in vented or sealed cabinets and enclosures.


    Cabinet recommendations:


    • Sealed 0.35 cubic ft. (net internal), f3 of 49 Hz with a 0.8 Qtc alignment
    • Vented 0.75 cubic ft. (net internal, not including driver or port volume) tuned to 30 Hz with a 10" wide by 1" high slot port that is 30" long, which yields an f3 of 30 Hz


    Note: All parameters derived with voice coils wired in series.


    Woofer series
    Ultimax Series
    Woofer type
    Nominale diameter
    Belastbaarheid (RMS)
    300 watts
    Belastbaarheid (max)
    600 watts
    Impedantie (Z)
    2+2 ohms
    84.2 dB @ 2.83V/1m
    30 - 800 Hz
    Gelijkstroomweerstand (Re)
    4.2 ohms
    Spreekspoelinductie (Le)
    1.14 mH
    Resonantiefrequentie (Fs)
    31.6 Hz
    Mechanische Q (Qms)
    Elektrische Q (Qes)
    Totale Q (Qts)
    Bewegende massa (Mms)
    Compliantie van de ophanging (Cms)
    0.33 mm/N
    Effectief oppervlak (Sd)
    211.2 cm²
    Maximaal verplaatst volume (Vd)
    359.1 cm³
    Krachtsfactor (BL)
    9.1 Tm
    Equivalentvolume (Vas)
    21.30 liters
    Maximale excursie (Xmax)
    16.0 mm
    Cone / Diaphragm Material
    Nomex Cone
    Spreekspoel draadmateriaal
    Spreekspoel vormermateriaal
    Dual Voice Coil
    Mand- /framemateriaal
    Cast Aluminum
    Totale buitendiameter
    Totale diepte
    # Bevestigingsgaten
    Gesloten volume
    0.35 cubic ft. (net internal)
    Gesloten F3
    49 Hz with a 0.8 Qtc alignment
    Gepoort volume
    0.75 cubic ft. (net internal, not including driver or port volume) tuned to 30 Hz with a 10" wide by 1" high slot port that is 30" long
    Gepoort F3
    30 Hz


    5 from 5Based on 2 reviews
    Schrijf een review
    5 van 5
    Wat een geweldig spul, een ieder zou een subwoofer moeten hebben
    Door Steven M. on 23 Juni 2020
    5 van 5
    Excellent build quality and packaging. Just running in prior to measuring and starting the enclosure building. So impressed, I’ll be ordering a couple more soon.
    Door Robert M. on 8 Oktober 2019

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    UM8-22 8" Ultimax DVC Subwoofer
    € 148,72
    € 179,95
    UM8-22 8" Ultimax DVC Subwoofer
    >10 Op voorraad: levertijd 1 werkdag
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