Dayton Audio Ultimax UM8-22
8" (20cm) subwoofer
/Piece
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203,30€
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Beschreibung
- 8" (20cm) subwoofer
- 16 mm XMAX makes this subwoofer one of the highest excursion 8-inch subwoofers on the market
- Thick, one-piece Nomex honeycomb cone with woven high-performance glass fiber
- Tall-Boy rubber surround for extra-long linear deflection without reducing the cone surface
- Two gear rings with linear stiffness limit distortion and rocking
- 300 watts RMS power handling
- Black anodized aluminum former and black pole improve heat dissipation
- Dual 2-ohm, 2-layer copper voice coils
- To increase power handling, improve thermal management and reduce power compression, Dayton Audio has equipped the Ultimax series with large, black anodized coil formers and vented pole pieces, under-spider ventilation and dual-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 the driver surface even during extreme excursions. The thick, one-piece Nomex honeycomb cone is covered with woven, heavy-duty glass fibers, creating an ultra-rigid surface that resists deformation.
- A large copper sleeve and copper pole cap in the motor reduce energy storage through inductance, with the side effect of lowering distortion for a "faster" response. Large, double-stacked, high-energy magnets do the heavy lifting, bringing the Qts to a level where Ultimax subwoofers can be used in vented or sealed enclosures.
- Closed 10 liters, f3 of 49 Hz with a QTc of 0.8 Qtc
- bass reflex 21 liters tuned to 30 Hz with a 25cm wide and 2.5cm high slot port, the 76.2cm long, which gives an f3 of 30 Hz
- woofer series: Ultimax Series
- Nominal diameter: 8"
- Load capacity (RMS): 300 watt
- Load capacity (max): 600 watt
- Impedance (Z) : 2+2 Ohm
- Sensitivity: 84.2 dB @ 2.83V/1m
- Frequency response: 30 - 800 Hz
- Voice coil diameter: 2"
- DC resistance (Re): 4.2 ohm
- Voice coil induction (Le) : 1.14 mH
- Resonance frequency (Fs): 31.6 Hz
- Mechanical quality (Qms): 2.51
- Electrical quality (Qes): 0.75
- Overall quality (Qts): 0.58
- Moving mass (Mms): 74.5g
- compliance of the suspension (Cms) : 0.33 mm/N
- Membrane area (Sd): 211.2 cm²
- Displacement volume (Vd): 359.1 cm³
- Strength factor (BL): 9.1 Tm
- Equivalent volume (Vas): 21.30 liter
- Maximum deflection (Xmax): 16.0 mm
- Membrane Material: Nomex
- beading material: rubber
- Voice coil wire material: copper
- Voice coil mold material: Aluminum
- Basket / frame material: cast aluminum
- Magnet material: Ferrite
- Outer diameter: 21cm
- Total depth: 14.3cm
- Cutout diameter: 19.7cm
- Mounting holes: 8
The Ultimax UM8-22 is an 8" (20cm) subwoofer that is part of Dayton Audio's renowned Ultimax series. This impressive model was designed from the ground up to move air and deliver precise, fast and deep bass. It stands out thanks to its small-enclosure optimization and high-performance features such as a 16mm XMAX, a robust Nomex honeycomb cone, a Tall-Boy rubber surround for additional linear excursion and an impressive 300 watt RMS power handling. The UM8-22 is your answer to deep, powerful bass in a smaller format.
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