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US-CA1860 18 inch Cinema Subwoofer Driver
18" Driver

US-CA1860

18" Cinema Subwoofer / LF Driver

Our flagship 18" cinema driver built for the deep, chest-thumping LFE that multiplex audiences expect. Die-cast aluminium basket keeps the cone mechanically true under high-excursion conditions. The Kapton former and vented extended pole piece handle sustained high-power operation without thermal compression. This is the driver that goes inside the US-CA1862 dual-sub system trusted by PVR INOX and major cinema chains across India.

Assembled in India
Components from USA
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What makes it different

Xmax of 8mm gives massive linear excursion for deep sub-bass. The 120 oz magnet structure delivers iron-grip motor control. Resonance at 32 Hz means it goes deep enough for cinema LFE content without bottoming out under load.

Specifications
Nominal Basket Diameter
18" / 457 mm
Nominal Impedance
8 Ω
Program Power
1600 W
Nominal Power
800 W
Resonance (Fs)
32 Hz
Usable Freq. Range
38 Hz – 700 Hz
Sensitivity
98 dB SPL @ 1W/1m
Magnet Weight
120 oz
Gap Height
0.37" / 9.5 mm
Voice Coil Diameter
3" / 76 mm
Xmax
8 mm
Sd
1159 cm²
Xlim
18 mm
Net Weight
24.5 lbs / 11.11 kg
Shipping Weight
28.1 lbs / 12.75 kg
Thiele & Small Parameters
Fs
32 Hz
Re
5.39 Ω
Le
1.21 mH
Qms
10.66
Qes
0.34
Qts
0.33
Vas
13.83 cu.ft. / 391.61 litres
Vd
927.2 cc
Cms
0.21 mm/N
BL
19.39 T-M
Mms
119 grams
EBP
94
Xmax
8 mm
Enclosure / System Details
SealedN/A
Vented113.27 – 353.96 litres / 4 – 12.5 cu.ft.
Mounting Information
Overall Diameter18" / 457.2 mm
Baffle Hole Diameter16.58" / 421.1 mm
Mounting Holes Diameter0.28" / 7.1 mm
Mounting Holes B.C.D.17.25" / 438.2 mm
Depth8.15" / 207 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Materials of Construction
Copper voice coilKapton formerFerrite magnetVented and extended coreDie-cast aluminium basketTreated paper coneCloth cone edgeTreated paper dust cap

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