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US-CA1862 Dual 18 inch Cinema Subwoofer System
Subwoofer System

US-CA1862

Dual 18" (460mm) Cinema Subwoofer System

The sub system that shakes the room. Twin 18" CA1860 drivers in a purpose-built vented enclosure tuned to 25 Hz. When an explosion hits on screen, the US-CA1862 is what makes the audience feel it in their chest. Handles 3200W program power — enough headroom for even the hottest LFE-heavy blockbuster mixes without breaking a sweat. Used in PVR INOX installations across India.

Assembled in India
Components from USA
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System design notes

Recommended crossover at 80–150 Hz, 12 dB/octave. Greater lowpass at 20 Hz at 24 dB/octave. EIA standard polarity — positive voltage to RED terminal produces forward cone motion. Dimensions: 762 × 1219 × 610 mm (30" × 48" × 24").

Specifications
Nominal Basket Diameter
18" / 457 mm
Nominal Impedance
8 Ω
Program Power
3200 W
Nominal Power
1600 W
Resonance
32 Hz
Usable Freq. Range
22 Hz – 0.7 kHz
Sensitivity
101 dB SPL @ 1W/1m
Magnet Weight
120 oz
Gap Height
0.37" / 9.5 mm
Voice Coil Diameter
3" / 76 mm
Xmax
8 mm
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
Sd
1159 cm²
Xlim
18 mm
Enclosure / System Details
Low Frequency Driver2× CA1860
Rated Impedance4 Ω
Enclosure Tuning25 Hz
Recommended Crossover20 Hz, 24 dB/oct lowpass; 80–150 Hz, 12 dB/oct
System PolarityEIA Standard. Positive voltage to RED terminal
Dimensions762 × 1219 × 610 mm / 30" × 48" × 24"
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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