| Content | KILOMAX PRO Series 1250W
Recommended for professional audio subwoofer and woofer applications in sealed and vented enclosures. Not for horn-loading or scoops.
Nominal Diameter
457.2 mm
Overall diameter
457.2 mm
Pitch Circle Diameter
438.2 mm
Cut- out Measurement
420.6 mm
Diameter of fixing holes
7 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
1250 W
maximum rated load
2500 W
Sensitivity (1 W / 1 m)
95.8 dB
Frequency response
33 - 300 Hz
Voice Coil Material
copper
Depth of the magnetic gap
9.53 mm
Thiele & Small Parameter
Fs (Resonance Frequency)
32 Hz
Re (DC resistance)
5.07 Ohm(s)
Qms (mechanical quality)
10.15
Le (inductance of the voice coil)
1.59 mH
Qes (electrical quality)
0.49
Qts (overall quality)
0.47
Vas (equivalent volume)
331.5
Mms (moving mass)
143.17 g
BL (power factor)
17.2 T/m
Xmax (maximum displacement)
10 mm
Cms (elasticity of the suspension)
0.18 mm/N
Sd (membrane area)
1159 cm²
|
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 |
|
- 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
|
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
|
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
| DELTA PRO Serie 400W
Recommended for professional audio in both sealed and vented enclosures. Ideal for full-range, mid/hi, and
monitor wedges.
SPECIFICATION
- Nominal Basket Diameter 18“, 457 mm
- Nominal Impedance 8 ohms
- Power Rating Watts 500 W / Music Program 1000 W
- Resonance 28 Hz
- Usable Frequency Range 37 Hz - 250 Hz
- Sensitivity 96
- Magnet Weight 67 oz.
- Gap Height 0.38“, 9.53 mm
- Voice Coil Diameter 2.5“, 63.5 mm
THIELE & Small Parameters
- Resonant Frequency (fs) 28 Hz
- DC Resistance (Re) 5.3
- Coil Inductance (Le) 3.43 mH
- Mechanical Q (Qms) 10.38
- Electromagnetic Q (Qes) 0.33
- Total Q (Qts) 0.32
- Compliance Equivalent Volume (Vas) 493.19 liters / 17.41 cu. ft.
- Peak Diaphragm Displacement Volume (Vd) 796.00 cc
- Mechanical Compliance of Suspension (Cms) 0.25 mm/N
- BL Product (BL) 18.9 T-M
- Diaphragm Mass inc. Airload (Mms) 128.1 grams
- Efficiency Bandwidth Product (EBP) 84
- Maximum Linear Excursion (Xmax) 6.7 mm
- Surface Area of Cone (Sd) 1188.0 cm²
- Maximum Mechanical Limit (Xlim) 15.0 mm
MOUNTING Information
- Recommended Enclosure Volume
Sealed N/A
Vented 85-297 liters/3.0-10.5 cu. ft.
- Overall Diameter 18.00“, 457.20 mm
- Baffle Hole Diameter 16.57“, 420.88 mm
- Front Sealing Gasket fitted as standard
- Rear Sealing Gasket fitted as standard
- Mounting Holes Diameter 0.28“, 7.11 mm
- Mounting Holes B.C.D. 17.25“, 438.15 mm
- Depth 8.13“, 206.50 mm
MATERIALS of Construction
- Copper voice coil
- Polyimide former
- Ferrite magnet
- Vented and extended core
- Die-cast aluminum basket
- Paper Cone
- Cloth cone edge
- Solid composition paper dust cap
|
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