Dayton Audio Ultimax UM12-22
12" (30cm) subwoofer
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Description
The Ultimax UM12-22 from Dayton Audio is a 12" (30cm) subwoofer from the Ultimax range, specifically designed to move air effectively to deliver clear and fast bass. This subwoofer features a thick, one-piece Nomex honeycomb cone with woven-in high-performance glass fibers and also offers an impressive RMS power handling of 600 watts. Thanks to its innovative features such as a tall-boy rubber surround for extra-long linear excursion without reducing cone area and black anodized aluminum brackets to improve heat dissipation, the Ultimax UM12-22 gives you the power and quality you need for an unsurpassed listening experience.
Highlights
- Thick, one-piece Nomex honeycomb membrane with woven-in high-performance glass fibers
- Tall boy rubber surround for extra long linear stroke without reducing the cone area
- 600 Watt RMS load capacity
- Copper shorting rings and cap reduce distortions due to inductance fluctuations
- Two 2-ohm copper voice coils with 2 layers
- Large ventilated pole piece and under-spider ventilation
- Black anodized aluminium carrier and black pole piece improve heat dissipation
Housing recommendation
- Closed 56 liters, f3 of 36 Hz with a tuning of 0.707 Qtc
- Bass reflex with120 liters tuned to 20 Hz with a 25cm wide and 3.8cm high slot opening, which is 63.5 long, resulting in an f3 of 19 Hz
Properties
- Woofer series : Ultimax Series
- Load capacity (QMW) : 600 Watt
- Load capacity (max) : 1,200 watts
- Impedance (Z) : 2+2 Ohm
- Sensitivity : 86.7 dB @ 2.83V/1m
- Frequency response : 20 - 1,000 Hz
- Voice coil diameter : 63.5 mm
- DC resistance (Re) : 3.2 Ohm
- Voice coil induction (Le) : 1.25 mH @ 1kHz
- Resonant frequency (Fs) : 26.2 Hz
- Mechanical quality (Qms) : 3.62
- Electrical quality (Qes) : 0.71
- Overall quality (Qts) : 0.59
- Movable mass (Mms) : 270g
- Compliance of the suspension (Cms) : 0.14 mm/N
- Diaphragm area (Sd) : 490.9 cm²
- Displacement volume (Vd) : 932.7 cm³
- Force factor (BL) :14.2 Tm
- Equivalent volume (Vas) : 46.8 liters
- Maximum deflection (Xmax) : 19 mm
- Cone / Diaphragm Material : Nomex membrane
- Bead material : Gumii
- Voice coil wire material : Copper
- Voice coil forming material : Aluminum
- Basket / frame material : Cast aluminum
- Magnet material : Ferrite
- Outer diameter : 314.5mm
- Total depth : 191mm
- Cut-out diameter : 272.5mm
- Mounting holes : 8
Download data sheet
