| Content | Professional subwoofer 460 mm., cloth edge, paper cone.
- RMS power output: 800 watt
- Impedance: 4 Ohm
- Sensitivity: 97 dB
- Frequency response: 35-2000 Hz
- Magnet weight: 3.5kg
- Voice coil diameter: 100 mm
- Recessed diameter: 420 mm
- Mounting depth: 195 mm
PARAMETERS
- Fs: 37 Hz
- Qes: 0.39
- Qms: 4.10
- Qts: 0.36 |
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
|
- 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
|
| Woofer 18 1000WRMS 97dB
2000 W continuous program power capacity |
|
| 100 mm (4 in) copper voice coil |
|
| 35 – 1000 Hz response |
|
| 97 dB sensitivity |
|
| Aluminium demodulating ring allows a very low distortion figure |
|
| Double silicone spider with optimized compliance |
|
| Ventilated voice coil gap for reduced power compression |
|
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 |
|
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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