| Price | €1,029.85 €875.37 incl. GR VAT | €339.97 €281.69 incl. GR VAT | €410.00 €369.00 incl. GR VAT | €395.56 €242.72 incl. GR VAT | €454.77 €357.67 incl. GR VAT | €1,029.85 €875.37 incl. GR VAT |
| Content |
- 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
| 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 | | 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
| OMEGA PRO-18A Professional Series
Recommended for professional audio as a woofer in vented enclosures. Also ideal for horn loading and scoops.
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
8 Ohm(s)
Nominal Load Capacity
800 W
maximum rated load
1600 W
Sensitivity (1 W / 1 m)
97 dB
Frequency response
40 - 800 Hz
Voice Coil Material
copper
Depth of the magnetic gap
9.53 mm
Thiele & Small Parameter
Fs (Resonance Frequency)
25 Hz
Re (DC resistance)
5.2 Ohm(s)
Qms (mechanical quality)
8.18
Le (inductance of the voice coil)
1.67 mH
Qes (electrical quality)
0.32
Qts (overall quality)
0.31
Vas (equivalent volume)
548.7
BL (power factor)
18.8 T/m
Xmax (maximum displacement)
4.8 mm
Cms (elasticity of the suspension)
0.29 mm/N
Sd (membrane area)
1159 cm²
|
- 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
|
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