Content |
Nominal Diameter 460 mm (18 in)
Overall Diameter 460 mm (18.11 in)
Bolt Circle Diameter 440 mm (17.32 in)
Baffle Cutout Diameter 424 mm (16.7 in)
Depth 202 mm (7.95 in)
Flange and Gasket Thickness 13.9 mm (0.55 in)
Net Weight 4.7 Kg (10.4 lb)
Shipping Box
(Single Carton Box) 536x536x293 mm (21.1x21.1x11.5 in)
Shipping Weight 6 Kg (13.2 lb)
Nominal Impedance 8 Ohm
Minimum Impedance 6 Ohm
Nominal Power Handling *** 600 W
Maximum Power Handling **** 1200 W
Sensitivity (1W/1m) 99 dB
Frequency Range 30÷3150 Hz
Voice Coil Diameter 77 mm (3 in)
Winding Material Cu
Former Material Glass Fiber
Winding Depth 22 mm (0.87 in)
Magnetic Gap Depth 10.5 mm (0.41 in)
Flux Density 1.2 T
Fs 30 Hz
Re 5.1 Ohm
Qes 0.34
Qms 8.68
Qts 0.33
Vas 404.2 dm^3 (14.27 ft^3)
Sd 1166 cm^2 (180.7 in^2)
Xmax * 9.25 mm
Xdamage ** 17.5 mm
Mms 134.3 g
Bl 19.5 N/A
Le 1.35 mH
Mmd 112.6 g
Cms 0.21 mm/N
Rms 2.91 Kg/s
Eta Zero 3.1 %
EBP 88 Hz
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- 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 16.61“, 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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Specifications
Nominal Diameter 545 mm (21“)
Nominal Impedance 4 Ω
Rated Power AES 1000 W
Continuous Program Power 2000 W
Sensitivity @ 1W/1m 97.0 dB
Voice Coil Diameter 100 mm (4“)
Voice Coil Winding Depth 25 mm
Magnetic Gap Depth 17 mm
Flux Density 0.94 T
Magnet Weight 536 g
Net Weight 10.5 kg
Manual/Εγχειρίδιο
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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 7.65“, 194.3 mm
Flange and Gasket Thickness 0.55“, 13.9 mm
Electrical Specifications
Minimum Impedance 6.3 Ohm
Nominal Impedance 8 Ohm
Nominal Power Handling*** 1200 W
Maximum Power Handling**** 2400 W
Sensitivity (1W/1m) 98 dB
Frequency Range 35 - 1600 Hz
Voice Coil Diameter 4“, 100 mm
Winding Material Kupfer
Former Material Glass Fiber
Winding Depth 1.14“, 28.9 mm
Magnetic Gap Depth 0.47“, 12 mm
Flux Density 1.22 T
THIELE & SMALL Parameters
Resonant Frequency (fs) 35 Hz
DC Resistance (Re) 5 Ohm
BL Product (BL) 24.8 N/A
Diaphragm Mass inc. Airload (Mms) 211.8 grams
Mechanical Compliance of Suspension (Cms) 0.098 mm/N
Rms 4.19 Kg/s
Electromagnetic Q (Qes) 0.38
Mechanical Q (Qms) 11.1
Total Q (Qts) 0.37
Compliance Equivalent Volume (Vas) 6.74 ft³, 190.8 dm³
Surface Area of Cone (Sd) 181.97“², 1174 cm²
Maximum Linear Excursion (Xmax)* 12.45 mm
Xdamage** 21 mm
Coil Inductance (Le) 1.26 mH
Diaphragm mass (Mmd) 189.1 g
Eta Zero 2.1 %
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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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
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Front chape |
Cylindrical |
Magnet type |
Ferrite |
Basket masterial |
Aluminium |
Winding material |
Copper |
Voice coil former |
Glass fiber |
Surround material |
Cloth |
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