| Content | General
Product type
Loudspeaker Chassis
Nominal Diameter
457.2 mm
Overall diameter
457.2 mm
Pitch Circle Diameter
438.2 mm
Cut- out Measurement
420.5 mm
Diameter of fixing holes
7.1 mm
Nominal Impedance
4 Ohm(s)
Nominal Load Capacity
800 W
maximum rated load
1600 W
Sensitivity (1 W / 1 m)
96.4 dB
Frequency response
40 - 800 Hz
Voice Coil Material
copper
Depth of the magnetic gap
9.53 mm
Thiele & Small Parameter
Fs (Resonance Frequency)
23 Hz
Re (DC resistance)
2.5 Ohm(s)
Qms (mechanical quality)
6.41
Le (inductance of the voice coil)
0.61 mH
Qes (electrical quality)
0.29
Qts (overall quality)
0.28
Vas (equivalent volume)
639
BL (power factor)
13.4 T/m
Xmax (maximum displacement)
4.8 mm
Cms (elasticity of the suspension)
0.34 mm/N
Sd (membrane area)
1159 cm²
|
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
| 2400 W continuous program power capacity
100 mm (4 in) copper voice coil
35 - 1000 Hz response
98 dB sensitivity
FEA optimized Neodymium magnet assembly
Double silicone spider with optimized compliance
Ventilated voice coil gap for reduced power compression
General
|
| Product type |
Cone driver |
| Brand |
B&C Speakers |
| Reference |
18NW100 |
| Product code |
ALT18NW1008 |
Informations
|
| Nominal impedance |
8 ohm |
| Dimensional category |
18 inch |
| Frequency coverage type |
Sub, Low |
| Manufacturer sensitivity |
98 dB |
| Calculated sensitivity |
96.29 dB |
| Nominal power handling |
1200 W |
| Bandwidth |
35÷1000 Hz |
Fundamental parameters
|
| Sd |
1210 cm² |
| Mms |
211 gr |
| Le |
1.7 mH |
| Re |
5.1 ohm |
| BL |
28 T.m |
Small signal parameters
|
| Fs |
31 Hz |
| Qes |
0.27 |
| Qms |
4.2 |
| Qts |
0.26 |
| Vas |
252 L |
Datas
|
| Xmax |
±9 mm |
| Calculated Xmax |
±10.5 mm |
| EBP |
115 Hz |
| Zmin |
6.3 ohm |
| Fs / Qts |
119 Hz |
| Vas * Qts² |
17.04 L |
| Efficiency |
2.7 % |
| Calculated efficiency |
2.67 % |
| Weight |
~9.3 kg |
| Recommended load volume |
160 L |
| Fréquence d'accord liée à la charge |
37 Hz |
Dimensions
|
| Voice coil diameter |
4 inch |
| Winding depth |
25 mm |
| Gap height |
12 mm |
| Outside diameter |
460 mm |
| Baffle cutout diameter |
422 mm |
| Front thickness |
16 mm |
| Depth after front |
193 mm |
Shape & Materials
|
| Front chape |
Cylindrical |
| Magnet type |
Neodymium |
| Basket masterial |
Aluminium |
| Winding material |
Copper |
| Voice coil former |
Glass fiber |
|
- 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
|
18 maximum output, 800W AES super vented gap cooling, 8Ω | 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 |
Reviews
There are no reviews yet.