| Content | General
Product type
Loudspeaker Chassis
Overall diameter
549.9 mm
Pitch Circle Diameter
525 mm
Cut- out Measurement
503.7 mm
Diameter of fixing holes
8.6 mm
Nominal Impedance
6 Ohm(s)
Nominal Load Capacity
2500 W
maximum rated load
5000 W
Sensitivity (1 W / 1 m)
97 dB
Frequency response
25 - 600 Hz
Voice Coil Material
copper
Thiele & Small Parameter
Fs (Resonance Frequency)
29 Hz
Re (DC resistance)
3.8 Ohm(s)
Qms (mechanical quality)
15.35
Le (inductance of the voice coil)
1.38 mH
Qes (electrical quality)
0.31
Qts (overall quality)
0.31
Vas (equivalent volume)
224.58
BL (power factor)
33.79 T/m
Xmax (maximum displacement)
21 mm
Cms (elasticity of the suspension)
0.06 mm/N
Sd (membrane area)
1642 cm²
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- 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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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
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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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- 4'' sandwich voice coil fiberglass former
- Double progressive wave Konex spider
- Cloth suround with DAR technology
- Autoclave waterproof cone treatment
- Balanced neodymium magnet circuit
- Cooling radiator and ventilated voice
- coil to reduce power compression
- 98.1 dB sensitivity
Manual/Εγχειρίδιο
| 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 8 ohm
Nominal power handling 700 W
Max power handling 1400 W
Sensitivity 97.3 dB
Voice coil diameter 4 inch
Winding depth 22 mm
Gap height 10 mm
Flux density 1.31 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 12.6 kg
Fs 38.6 Hz
Re 6.1 ohm
Qes 0.38
Qms 6.23
Qts 0.36
Vas 168.7 L
Sd 1164.2 cm²
Cms 88 µm/N
Efficiency 2.45 %
Xmax 9 mm
Xvar 11.5 mm
Mms 194 gr
BL 27.44 T.m
Le 1.88 mH
EBP 102
Dome material Paper
Cone material Paper
Surround material Cloth
Shipping weight 12.6 kg |
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