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4" High-End Shielded Woofer 8 Ohm - AAW418

4" High-End Shielded Woofer


 
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List Price: $59.95
Our Price: $35.95
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Stock Status:In Stock
Availability: Usually Ships in 1 to 2 Business Days
Product Code: AAW418

Description
 

4" High-End Shielded Woofer 8 Ohm - AAW418

Polypropylene cone with perfect balance of stiffness, mass, and self-damping
High loss rubber surround offers high excursion and long term durability
High power handling voice coil
Damping dust cap
Rigid aluminum die-cast frame
Symmetric Motor Drive (SMD) technology.
Designed and engineered in the USA

The AAW418 offers natural and detailed sound performance with very low distortion. The design of this driver is based upon the benefit of an extended pole piece in a magnet system. Finite element analysis (FEA) simulation was used to optimize the magnet structure and specifically to shape the pole piece to achieve symmetric flux distribution along travel path of the voice coil. This design provides better driving force linearity and it also considerably reduces VC inductance modulation and DC offset of the moving system at high power levels. The result is much less distortion and more effective VC cooling. The aluminum die-cast frame has been developed to minimize parasitic structural resonances and dissipate VC heat rapidly.

This woofer is a perfect match for the AAT2BH8 Tweeter in a 2-way speaker cabinet.

86dB 1W/1M * 8 ohm * 70W/Max * 35W/RMS * 9 oz Magnet * Diameter 4-3/4" (4-1/8") * Cutout 3-7/8" * Mounting Depth 2-7/8"

=praxis= Thiele/Small Parameters: broken-in driver
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AAW418
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Qts = 0.309 Total Q
Qes = 0.370 Electrical Q
Qms = 1.894 Mechanical Q
Fs = 54.581 Hertz, Free Air Resonance
Re = 7.04 Ohms, DC resistance
Ls = 338.5u H, series inductance
Lp = 358.3u H, lossy series inductance
Rp = 2.738 Ohms, loss across Lp
Dia = 82m meters, effective
(%shift) 46.6 %, resonance with mass
Vas = 5.639 litres, air volume equivalent
mms = 5.906 grams, effective mass
cms = 1.439m m/N, compliance
bl = 6.209 T*m, motor strength
n0 = 238.3m %, max efficiency
SplSens = 85.77 dBSPL max @1W absorbed
(Added mass) 15 grams

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Dimensions in Millimeters:





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