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    Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil

    € 419,95 Niet op voorraad: binnen 3-6 weken leverbaar
    Dayton Audio’s Ultimax Series DVC subwoofers are purpose-built to move tons of air and create clean, articulate, fast bass. Experience the apex of subwoofer design!... Toon meer
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    Productomschrijving

    Dayton Audio’s Ultimax Series DVC subwoofers are purpose-built to move tons of air and create clean, articulate, fast bass. Experience the apex of subwoofer design!

     

    Highlights

    • 18" design for enormous air movement
    • Over 2" of total cone travel!
    • 1000 watts RMS power handling
    • Dual mirror-imaged linear spiders ensure distortion-free excursion
    • Dual 2 ohm, 2-layer copper voice coils
    • Large vented pole piece and under-spider venting

     

    Product details

    Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil

     

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

    With the UM18-22 Ultimax 18" driver, Dayton Audio has taken everything about the respected Dayton Audio Ultimax subwoofers to the extreme! Providing over 2" of peak-to-peak excursion, the Ultimax 18 sweeps over six liters of air with each stroke! Truly not for the faint of heart!

     

    An audio bulldozer with the finesse of a sports car

    Like the rest of the Ultimax series, the UM18-22 plays it clean, low, fast, and LOUD. Designed to excel in either sealed or vented enclosures, it features an ultra-powerful triple stack of high-grade ferrite ceramic magnets for ultra-high force and exceptional control, plus dual aluminum shorting rings above and below the magnetic gap for minimized inductance, "faster"-sounding bass response, and perfect magnetic symmetry. The voice coil diameter has been increased to 3 inches, for even more thermal dissipation area that allows the 18" model to withstand 1,000 watts of punishing bass power continuously without thermal fatigue. Dual 2-ohm voice coils allow for stereo 2 ohm operation, or mono operation in 1 ohm or 4 ohm configurations, for true design flexibility.

     

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

    The huge 18" Nomex honeycomb composite curved cone features woven fiberglass outer skins for the ultimate in rigidity and resistance to damage, while the "tall-boy" rubber surround with integral gasket supports extreme stroke with linearity and durability. Dual 8" spiders are mirror-imaged, to keep the 2" of excursion completely linear and provide cancellation of distortion due to compliance asymmetry, for ultra-low mechanical distortion even at the outer limits of travel. And it's all held in perfect alignment by a rigid cast aluminium 12-spoke frame, for stability in any mounting position.

     

    Put your home's construction to the test with the phenomenal bass output of this 18" beast!

    Car audio recommended alignments:

    • Sealed 3 cubic ft. (net internal, not including driver) for an f3 of 32 Hz with a Qtc of .78
    • Vented 4 cubic ft. (net internal, not including driver or vent ) tuned to 22 Hz, with 2 flared vents 4" diameter by 32" long, for an f3 of 24 Hz

     

    Home theater/stereo recommended alignments

    • Sealed (home theater/music): 4 cubic ft. (net internal, not including driver) for an f3 of 31 Hz, f10 of 18 Hz with a Qtc of 0.72
    • Sealed (music): 7 cubic ft. (net internal, not including driver) for an f3 of 31 Hz, f10 of 15.8 Hz with a Qtc of 0.62
    • Vented (home theater): 8 cubic ft. (net internal, not including driver or vent) tuned to 20 Hz, with 3 flared vents 4" diameter by 28.5" long, for an f3 of 18 Hz
    • Vented (infra-sub): 12 cubic ft. (net internal, not including driver or vent) tuned to 15.5 Hz, with 3 flared vents 4" diameter by 32" long, for an f3 of 15 Hz
    • Infinite Baffle: Approved (reaction force cancellation recommended)

     

    Note: All specifications are derived with voice coils wired in series.

    Specificaties

    Artikelnummer
    UM18-22
    Woofer Series
    Ultimax Series
    Woofer Type
    Subwoofer
    Nominal Diameter
    18"
    Power Handling (RMS)
    1,000 watts
    Power Handling (max)
    2,000 watts
    Impedance
    4 ohms
    Sensitivity
    88.6 dB @ 2.83V/1m
    Voice Coil Diameter
    75 mm
    DC Resistance (Re)
    4.4 ohms
    Voice Coil Inductance (Le)
    2.22 mH @ 1 kHz
    Resonant Frequency (Fs)
    19.5 Hz
    Mechanical Q (Qms)
    3.82
    Electromagnetic Q (Qes)
    0.62
    Total Q (Qts)
    0.53
    Diaphragm Mass Inc. Airload (Mms)
    655g
    Mechanical Compliance of Suspension (Cms)
    0.1 mm/N
    Surface Area of Cone (Sd)
    1,219 cm²
    Volume of Displacement (Vd)
    2,681.8 cm³
    BL Product (BL)
    23.8 Tm
    Compliance Equivalent Volume (Vas)
    212 liters
    Maximum Linear Excursion (Xmax)
    22 mm
    Cone / Diaphragm Material
    Nomex Cone
    Surround Material
    Rubber
    Dual Voice Coil
    Yes
    Basket / Frame Material
    Cast Aluminum
    Magnet Material
    Ferrite
    Overall Outside Diameter
    18.5"
    Overall Depth
    9"
    Baffle Cutout Diameter
    17"
    # Mounting Holes
    8
    Sealed Volume
    3 cubic ft. (net internal, not including driver)
    Sealed F3
    28 Hz with a Qtc of .8
    Vented Volume
    4 cubic ft. (net internal, not including driver or vent ) tuned to 22 Hz, with 2 flared vents 4" diameter by 32" long
    Vented F3
    24 Hz

    Reviews

    5 from 5Based on 17 reviews
    Schrijf een review
    5 van 5
    No description was given
    Door Fredrik J. on 22 December 2020
    5 van 5
    Built a 328 liter ported enclosure for the UM18. Below 20Hz it's destroying my PB16 Ultra :)
    Door Jens K. on 22 September 2020
    Toon meer

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