Dayton Audio UM12-22 12" Ultimax DVC Subwoofer 2 ohms Per Coil

    € 214,83€ 259,95 9 Op voorraad: levertijd 1 werkdag
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    Dayton Audio's Ultimax Series DVC subwoofers are purpose-built to move air and create clean, articulate, fast bass. Experience the apex of subwoofer design.



    • 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
    • 600 watts RMS power handling
    • Copper shorting rings and cap reduce distortion due to inductance variations
    • Dual 2 ohm, 2-layer copper voice coils
    • Large vented pole piece and under-spider venting
    • Black anodized aluminum former and black pole improves heat dissipation


    Product details

    Dayton Audio UM12-22 12" 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 1-1/2" of travel (3/4" 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. Thick, one-piece Nomex honeycomb covered cones are covered with woven, heavy-duty glass fibers creating ultra-still cones that resist 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 2.0 cubic ft. (net internal) with 1 lbs. of Acousta-Stuf polyfill, f3 of 36 Hz with a 0.707 Qtc alignment
    • Vented 4.0 cubic ft. (net internal, not including driver or port volume) tuned to 20 Hz with a 10" wide by 1.5" high slot port that is 25" long, which yields an f3 of 19 Hz


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


    Woofer series
    Ultimax Series
    Woofer type
    Belastbaarheid (RMS)
    600 watts
    Belastbaarheid (max)
    1,200 watts
    Impedantie (Z)
    2+2 ohms
    86.7 dB @ 2.83V/1m
    20 - 1,000 Hz
    63.5 mm
    Gelijkstroomweerstand (Re)
    3.2 ohms
    Spreekspoelinductie (Le)
    1.25 mH @ 1kHz
    Resonantiefrequentie (Fs)
    26.2 Hz
    Mechanische Q (Qms)
    Elektrische Q (Qes)
    Totale Q (Qts)
    Bewegende massa (Mms)
    Compliantie van de ophanging (Cms)
    0.14 mm/N
    Effectief oppervlak (Sd)
    490.9 cm²
    Maximaal verplaatst volume (Vd)
    932.7 cm³
    Krachtsfactor (BL)
    14.2 Tm
    Equivalentvolume (Vas)
    46.8 liters
    Maximale excursie (Xmax)
    19 mm
    Cone / Diaphragm Material
    Nomex Cone
    Spreekspoel draadmateriaal
    Spreekspoel vormermateriaal
    Dual Voice Coil
    Mand- /framemateriaal
    Cast Aluminum
    Totale buitendiameter
    314.5 mm
    Totale diepte
    191 mm
    272.5 mm
    # Bevestigingsgaten
    Gesloten volume
    2.0 cubic ft. (net internal) with 1 lbs. of Acousta-Stuf polyfill
    Gesloten F3
    36 Hz with a 0.707 Qtc alignment
    Gepoort volume
    4.0 cubic ft. (net internal, not including driver or port volume) tuned to 20 Hz with a 10" wide by 1.5" high slot port that is 25" long
    Gepoort F3
    19 Hz


    5 from 5Based on 5 reviews
    Schrijf een review
    5 van 5
    Non ho avuto ancora modo di scoprire le sue potenzialita', visto che l'ho appena ricevuto, ma da quel poco che l'ho ascoltato...mi sembra che siamo sulla buona strada. Spedizione velocissima, ricevuto in tre giorni in Italia...che dire...100%
    Door ANTONIO BONFA' on 20 April 2020
    5 van 5
    This is a realy potent subwoofer and I am really happy that i choce this one.
    I am just missing a drawing of a kabinet
    Door ole a. on 23 Juli 2019
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    UM12-22 12" Ultimax DVC Subwoofer 2 ohms Per Coil
    € 214,83
    € 259,95
    UM12-22 12" Ultimax DVC Subwoofer 2 ohms Per Coil
    9 Op voorraad: levertijd 1 werkdag
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