Dayton Audio Ultimax II UMII18-22
18" (46cm) subwoofer
/piece
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Description
The Ultimax II UMII18-22 from Dayton Audio is a powerful 18" (46cm) subwoofer that delivers impressive bass performance. With a power handling capacity of 1,000 watts RMS and a peak power of 2,000 watts, it brings powerful bass to home theater and car audio applications. Its 18-inch cone is made of a Nomex honeycomb composite material, reinforced with glass fiber fabric, which provides additional rigidity. Flexibility in connection options is provided by the two 2-ohm voice coils, which can be used for either stereo 2-ohm or mono 1-ohm configurations. The UMII18-22 features a large rubber surround and dual 8-inch mirror spiders that provide over 2 inches of linear excursion and minimize distortion. This subwoofer is optimized for a variety of enclosures, both sealed and vented, to deliver deep and powerful bass.
Features
- 18" design for enormous air movement
- Over 2" total cone excursion for massive bass performance
- 1,000 watts of RMS power and 2,000 watts of peak power
- Two 2-ohm copper voice coils with 2 layers for flexible
- Cabling configurations
Technical data
- Woofer seriesUltimax II DVC
- Woofer type: Subwoofer
- Nominal diameter: 18"
- Load capacity: (QMW)1,200 watts
- Impedance: 2 + 2 Ω
- Sensitivity: (SPL at 1m / 2.83V)90.7 dB
- Frequency response: 20 - 500 Hz
- Voice coil diameter: 76 mm
- Direct current resistance: (Re)4.2 Ω
- Voice coil induction: (Le)1.15 mH
- Resonant frequency: (Fs)22 Hz
- Mechanical quality: (Qms)2.53
- Electrical quality: (Qes)0.67
- Overall quality: (Qts)0.53
- Movable mass: (Mms)420g
- Diaphragm area: (Sd)1184 cm²
- Displacement volume: (Vd)3315 cm³
- Force factor: (BL)19.2 Tm
- Equivalent volume: (Vas)248.2 liters
- Maximum deflection: (Xmax)28 mm
- Basket / frame material: Aluminum
- Outer diameter: 470 mm
- Total depth: 258 mm
- Cut-out diameter: 426 mm
- Mounting holes: 8
- Fixing hole diameter: 6.5 mm
