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Content | General
Product type
Loudspeaker Chassis
Overall diameter
457.2 mm
Pitch Circle Diameter
7.1 mm
Cut- out Measurement
421.1 mm
Diameter of fixing holes
438.2 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
800 W
maximum rated load
1600 W
Sensitivity (1 W / 1 m)
98 dB
Frequency response
38 - 700 Hz
Voice Coil Material
copper
Thiele & Small Parameter
Fs (Resonance Frequency)
32 Hz
Re (DC resistance)
5.39 Ohm(s)
Qms (mechanical quality)
10.66
Le (inductance of the voice coil)
1.21 mH
Qes (electrical quality)
0.34
Qts (overall quality)
0.33
Vas (equivalent volume)
391.61
BL (power factor)
19.39 T/m
Xmax (maximum displacement)
8 mm
Cms (elasticity of the suspension)
0.21 mm/N
Sd (membrane area)
1159 cm²
|
- 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
|
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
- 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
|
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
|
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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