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
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
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
1200 W continuous program power capacity
76 mm (3 in) copper voice coil
40 - 2000 Hz response
99 dB sensitivity
Double silicone spider with optimized compliance
General
Cone driver
B&C Speakers
18PS76
Informations
8 ohm
18 inch
Sub, Low
99 dB
98.11 dB
600 W
40÷2000 Hz
Fundamental parameters
1210 cm²
149 gr
1.9 mH
5 ohm
25.8 T.m
Small signal parameters
39 Hz
0.29
6.1
0.27
207 L
Datas
±7 mm
134 Hz
6.5 ohm
144 Hz
15.1 L
4 %
4.07 %
~10.7 kg
Dimensions
3 inch
24 mm
11 mm
460 mm
422 mm
16 mm
186 mm
Shape & Materials
Cylindrical
Ferrite
Aluminium
Copper
Glass fiber
1400 W continuous program power capacity
100 mm (4 in) copper voice coil
30 - 1000 Hz response
95.5 dB sensitivity
Double silicone spider with optimized compliance
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
Shape Cylindrical
Product type Cone driver
Brand Sica
Frequency coverage type Sub, Low
Dimensional category 18 inch
Front chape Cylindrical
External diametre 462 mm
Mounting diametre 415 mm
Magnet type Neodymium
Basket masterial Aluminium
Nominal impedance 8 ohm
Nominal power handling 1200 W
Max power handling 2400 W
Manufacturer sensitivity 97.3 dB
Calculated sensitivity 95 dB
Frequency response 35-700 Hz
Voice coil diameter 4 inch
Winding material Copper
Voice coil former Glass fiber
Winding depth 27 mm
Gap height 12 mm
Flux density 1.21 T
Depth 211 mm
Depth after front 196 mm
Front thickness 15 mm
Diamètre aimant (mm) 135 mm
Weight 7.2 kg
Fs 36.2 Hz
Re 5.2 ohm
Qes 0.42
Qms 6.56
Qts 0.39
Vas 189 L
Sd 1164.2 cm²
Cms 98 µm/N
Efficiency 2.07 %
Calculated efficiency 2.05 %
Xmax 8 mm
Xvar 10.1 mm
Mms 197 gr
BL 23.54 T.m
Le 1.35 mH
EBP 86
Dome material Paper
Cone material Paper
Surround material Cloth
Surround shape Double roll
Shipping weight 9 kg
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