| Content | 18" professional woofer. 5" voice coil.
MOUNTING INFORMATION
| Overall Diameter |
465 mm (18") |
| Bolt Circle Diameter
Baffle cutout Diameter
Depth |
446 mm
417 mm
188 mm |
| Mounting Depth |
171 mm |
| Net Weight |
15.5 kg |
| SPECIFICATIONS |
| Nominal Impedance |
4 Ohm |
| RMS Power |
1200 W |
| MAX Power
Sensitivity (1W/1m)
Frequency Range |
2400 W
96.5 dB
46-2000 Hz |
| Voice Coil Diameter |
125 mm |
| Magnet
Magnet weight
Basket Material |
Ferrite
175 oz
Aluminum |
THIELE AND SMALL PARAMETERS
Fs 46 Hz
Re 5.2 Ohm
Qes 0.533
Qms 6.95
Qts 0.495
Vas 98 l
Sd 1285 cm²
Xmax 7 mm
Mms 280 gr
Bl 28.3 Tm
Le 1.37 mH
Mmd 231 g
Cms 42 uM/N
Rms 9.7 kg/s
Efficiency 1.77 %
EBP 92
|
- Shape Cylindrical
- Product type Cone driver
- Brand Sica
- Frequency coverage type Sub
- Dimensional category 18 inch
- Front chape Cylindrical
- Magnet type Ferrite
- Basket masterial Aluminium
- Nominal impedance 4 ohm
- Nominal power handling 700 W
- Max power handling 1400 W
- Sensitivity 97.9 dB
- Voice coil diameter 4 inch
- Flux density 1.12 T
- External diametre 462 mm
- Mounting diametre 415 mm
- Depth 203.5 mm
- Depth after front 188.5 mm
- Front thickness 15 mm
- Diamètre aimant (mm) 220 mm
- Weight 13.9 kg
- Fs 36.9 Hz
- Re 3.25 ohm
- Qes 0.29
- Qms 9.03
- Qts 0.28
- Vas 181.9 L
- Sd 1164.2 cm²
- Cms 95 µm/N
- Efficiency 3.02 %
- Xmax 6 mm
- Mms 196.2 gr
- BL 22.55 T.m
- Le 1.03 mH
- EBP 127
- Dome material Paper
- Cone material Paper
- Surround material Cloth
- Shipping weight 13.9 kg
|
Nominal Specifications
Nominal Diameter 18“, 460 mm
Overall Diameter 18.11“, 460 mm
Bolt Circle Diameter 17.32“, 440 mm
Baffle Cutout Diameter 16.61“, 422 mm
Depth 7.95“, 202 mm
Flange and Gasket Thickness 0.55“, 13.9 mm
Electrical Specifications
Minimum Impedance 6.6 Ohm
Nominal Impedance 8 Ohm
Nominal Power Handling*** 1,000 W
Maximum Power Handling**** 2,000 W
Sensitivity (1W/1m) 99 dB
Frequency Range 38 - 2500 Hz
Voice Coil Diameter 4“, 100 mm
Winding Material Aluminium
Former Material Glass Fiber
Winding Depth 0.9“, 23 mm
Magnetic Gap Depth 0.47“, 12 mm
Flux Density 1.3 T
THIELE & SMALL Parameters
Resonant Frequency (fs) 38 Hz
DC Resistance (Re) 5.5 Ohm
BL Product (BL) 24.5 N/A
Diaphragm Mass inc. Airload (Mms) 163 grams
Mechanical Compliance of Suspension (Cms) 0.11 mm/N
Rms 4.42 Kg/s
Electromagnetic Q (Qes) 0.35
Mechanical Q (Qms) 8.75
Total Q (Qts) 0.34
Compliance Equivalent Volume (Vas) 7.37 ft³, 208.8 dm³
Surface Area of Cone (Sd) 180.7“², 1,166 cm²
Maximum Linear Excursion (Xmax)* 9.5 mm
Xdamage** 17.5 mm
Coil Inductance (Le) 1.36 mH
Diaphragm mass (Mmd) 141 g
Eta Zero 3.14 %
Notes
*Xmax = [(winding depth - magnetic gap depth) / 2] + (magnetic gap depth / 3)
**Maximum excursion before permanent damage
***2 Hours Test According to AES 2-1984 Rev. 2003
****Maximum power is defined as 3dB greater than nominal power
|
- 95 dB Sensitivity 1 W / 1 m
- 1.200 W Power Handling
- 4" Copper Sandwich Voice Coil for low Power Compression
- Neodymium Magnet System
- Double treated Cone for Water Protection
- Triple Aluminum demodulating Rings for ultra low Distortion
- Optimal for high Output Subwoofers
- Leight Weight Carbon Fiber Diaphragm
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18 maximum output, 800W AES super vented gap cooling, 8Ω |
Nominal Specifications
Nominal Diameter 18“, 460 mm
Overall Diameter 18.11“, 460 mm
Bolt Circle Diameter 17.32“, 440 mm
Baffle Cutout Diameter 16.61“, 422 mm
Depth 7.95“, 202 mm
Flange and Gasket Thickness 0.55“, 13.9 mm
Electrical Specifications
Minimum Impedance 6.6 Ohm
Nominal Impedance 8 Ohm
Nominal Power Handling*** 1,000 W
Maximum Power Handling**** 2,000 W
Sensitivity (1W/1m) 99 dB
Frequency Range 35 - 1600 Hz
Voice Coil Diameter 4“, 100 mm
Winding Material Copper
Former Material Glass Fiber
Winding Depth 0.9“, 23 mm
Magnetic Gap Depth 0.47“, 12 mm
Flux Density 1.3 T
THIELE & SMALL Parameters
Resonant Frequency (fs) 35 Hz
DC Resistance (Re) 5.4 Ohm
BL Product (BL) 27.2 N/A
Diaphragm Mass inc. Airload (Mms) 182 grams
Mechanical Compliance of Suspension (Cms) 0.11 mm/N
Rms 4.1 Kg/s
Electromagnetic Q (Qes) 0.29
Mechanical Q (Qms) 9.74
Total Q (Qts) 0.28
Compliance Equivalent Volume (Vas) 7.74 ft³, 219.2 dm³
Surface Area of Cone (Sd) 180.7“², 1,166 cm²
Maximum Linear Excursion (Xmax)* 9.5 mm
Xdamage** 17.5 mm
Coil Inductance (Le) 1.7 mH
Diaphragm mass (Mmd) 159.5 g
Eta Zero 3.1 %
Notes
*Xmax = [(winding depth - magnetic gap depth) / 2] + (magnetic gap depth / 3)
**Maximum excursion before permanent damage
***2 Hours Test According to AES 2-1984 Rev. 2003
****Maximum power is defined as 3dB greater than nominal power
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