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HDC418-D1-A SoundQubed 18" Subwoofer *discontinued*

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 Product Description

SoundQubed introduces our competition grade subwoofers with high power 4 inch voice coils.  The HDC-4 subwoofers feature our largest and most powerful motor ever, coupled to a new frame and suspension system.

The 9.25 inch diameter multi-layer spider system with integrated lead wires provides well controlled excursions needed for advanced box tuning.  The high gap flux powered by the triple stack, 10 inch diameter magnets add extra control while increasing sensitivity.  Our laminated kevlar cones are used due to their excellent strength and durability. 

The voice coils are high temperature flat wire aluminum on black anodized aluminum formers.  10 gauge Direct Connect wiring is used to lower resistance and make multiple wire connections as  easy as possible.

The HDC-4 subwoofers are setting new standards for heavy duty applications where good sound and high power are needed.

Model HDC418
Woofer Size 18"
F(s) 40.37 Hz
Q(ms) 6.053
Q(es) 0.478
Q(ts) 0.443
V(as) 48.450 liters (1.711^ft)
L(e) mH
n(0) %
M(ms) grams
C(ms) mm/N
Sensitivity 1W/1m 1W/1m
Xmax 40mm
Magnet Weight 403oz
Coil Diameter 4.0"
Coil Length 54.356mm
Usable Throw 69.85mm
RMS Power 2000W
Peak Power 6000W
Displacement .33^ft
Mounting Depth 9.75"
Circle Cutout 16.625"
Outer Diameter W/Gasket 18.4375"

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