The latest addition to the popular Kappa series of drivers, the Kappa Pro 18LF provides tons of low frequency output in a lightweight, durable cast aluminum chassis. Use it as a subwoofer in small to medium sized boxes, a woofer in large three-way PA enclosures, or as a high-power bass guitar woofer. The 1,600 watt program power rating makes it an easy choice for new box designs or as a replacement for many single and double subwoofer cabinets.
The latest addition to the popular Kappa series of drivers, the Kappa Pro 18LF provides tons of low frequency output in a lightweight, durable cast aluminum chassis. Use it as a subwoofer in small to medium sized boxes, a woofer in large three-way PA enclosures, or as a high-power bass guitar woofer. The 1,600 watt program power rating makes it an easy choice for new box designs or as a replacement for many single and double subwoofer cabinets.
The latest addition to the popular Kappa series of drivers, the Kappa Pro 18LF provides tons of low frequency output in a lightweight, durable cast aluminum chassis. Use it as a subwoofer in small to medium sized boxes, a woofer in large three-way PA enclosures, or as a high-power bass guitar woofer. The 1,600 watt program power rating makes it an easy choice for new box designs or as a replacement for many single and double subwoofer cabinets.
Content
General
Product type
Loudspeaker Chassis
Type
PA
Nominal Diameter
18 "
Nominal Diameter
457 mm
Voice Coil
3 "
Voice Coil
76 mm
Overall diameter
457.2 mm
Pitch Circle Diameter
7.1 mm
Cut- out Measurement
421.1 mm
Diameter of fixing holes
438.2 mm
Depth
207 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
Magnet
Ferrite
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
Mms (moving mass)
119 g
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
Weight
11.11 kg
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
18 maximum output, 800W AES super vented gap cooling, 8Ω
Specifications
Nominal Diameter 545 mm (21“)
Nominal Impedance 4 Ω
Rated Power AES 1000 W
Continuous Program Power 2000 W
Sensitivity @ 1W/1m 97.0 dB
Voice Coil Diameter 100 mm (4“)
Voice Coil Winding Depth 25 mm
Magnetic Gap Depth 17 mm
Flux Density 0.94 T
Magnet Weight 536 g
Net Weight 10.5 kg
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