Content |
- 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
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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 16.6“, 422 mm
Depth 9.09“, 231 mm
Flange and Gasket Thickness 0.55“, 14 mm
Electrical Specifications
Minimum Impedance 7.2 Ohm
Nominal Impedance 8 Ohm
Nominal Power Handling*** 1,600 W
Maximum Power Handling**** 3,200 W
Sensitivity (1W/1m) 98 dB
Frequency Range 30 - 1500 Hz
Voice Coil Diameter 4“, 100 mm
Winding Material Copper
Former Material Glass Fiber
Winding Depth 1.23“, 31.3 mm
Magnetic Gap Depth 0.61“, 15.5 mm
Flux Density 1.05 T
THIELE & SMALL Parameters
Resonant Frequency (fs) 32 Hz
DC Resistance (Re) 5.4 Ohm
BL Product (BL) 26.7 N/A
Diaphragm Mass inc. Airload (Mms) 240 grams
Mechanical Compliance of Suspension (Cms) 0.1 mm/N
Rms 5.27 Kg/s
Electromagnetic Q (Qes) 0.37
Mechanical Q (Qms) 9.3
Total Q (Qts) 0.36
Compliance Equivalent Volume (Vas) 6.9 ft³, 195.5 dm³
Surface Area of Cone (Sd) 182“², 1,174 cm²
Maximum Linear Excursion (Xmax)* 13 mm
Xdamage** 28 mm
Coil Inductance (Le) 1.45 mH
Diaphragm mass (Mmd) 217 g
Eta Zero 1.76 %
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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- 96 dB Sensitivity 1 W / 1 m
- 1.100 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 Suwoofers
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General
|
Product type |
Cone driver |
Brand |
B&C Speakers |
Reference |
18PS100 |
Product code |
ALT18PS1008M |
Informations
|
Nominal impedance |
8 ohm |
Dimensional category |
18 inch |
Frequency coverage type |
Sub, Low |
Manufacturer sensitivity |
95.5 dB |
Calculated sensitivity |
93.92 dB |
Nominal power handling |
700 W |
Bandwidth |
30÷1000 Hz |
Fundamental parameters
|
Sd |
1210 cm² |
Mms |
202 gr |
Le |
2.1 mH |
Re |
5.3 ohm |
BL |
22.5 T.m |
Small signal parameters
|
Fs |
30 Hz |
Qes |
0.41 |
Qms |
4.6 |
Qts |
0.39 |
Vas |
245 L |
Datas
|
Xmax |
±8 mm |
Calculated Xmax |
±8.6667 mm |
EBP |
73 Hz |
Zmin |
6.3 ohm |
Fs / Qts |
77 Hz |
Vas * Qts² |
37.27 L |
Efficiency |
1.6 % |
Calculated efficiency |
1.55 % |
Weight |
~10.5 kg |
Recommended load volume |
250 L |
Fréquence d'accord liée à la charge |
29 Hz |
Dimensions
|
Voice coil diameter |
4 inch |
Winding depth |
21 mm |
Gap height |
11 mm |
Outside diameter |
460 mm |
Baffle cutout diameter |
422 mm |
Front thickness |
16 mm |
Depth after front |
181 mm |
Shape & Materials
|
Front chape |
Cylindrical |
Magnet type |
Ferrite |
Basket masterial |
Aluminium |
Winding material |
Copper |
Voice coil former |
Glass fiber |
Surround material |
Cloth |
|
- 95 dB Sensitivity 1 W / 1 m
- 1500 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
|
- Product type Cone driver
- Brand Sica
- Frequency coverage type Sub, Low
- Dimensional category 18 inch
- Front chape Cylindrical
- Magnet type Ferrite
- Basket masterial Aluminium
- Nominal impedance 8 ohm
- Nominal power handling 400 W
- Max power handling 800 W
- Sensitivity 96.9 dB
- Frequency response 30-700 Hz
- Voice coil diameter 3 inch
- Winding depth 20 mm
- Gap height 10 mm
- Flux density 1.08 T
- External diametre 462 mm
- Mounting diametre 415 mm
- Depth 196.5 mm
- Depth after front 181.5 mm
- Front thickness 15 mm
- Diamètre aimant (mm) 180 mm
- Weight 9 kg
- Fs 30.8 Hz
- Re 5.1 ohm
- Qes 0.52
- Qms 3.05
- Qts 0.45
- Vas 340 L
- Sd 1164.2 cm²
- Cms 177 µm/N
- Efficiency 1.84 %
- Xmax 6.5 mm
- Xvar 10.5 mm
- Mms 155 gr
- BL 16.9 T.m
- Le 1.41 mH
- EBP 59
- Dome material Paper
- Cone material Paper
- Surround material Cloth
- Shipping weight 9 kg
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