B And C 18SW115-8 B&c 18" Sub W/ Neo Magnet 4.5" Coil 8ohm

This item is brand-new, factory sealed.

3400 w continuous program power capacity
116 mm (4.5 in) split winding copper voice coil
35 - 1500 hz response
97 db sensitivity
60 mm peak-to-peak excursion before damage
neodymium magnet allows a very high force factor and linear excursion
double silicone spider with optimized compliance
ventilated voice coil gap for reduced power compression
aluminium demodulating ring for very low distortion


nominal diameter
8 ohm

nominal impedance
6.5 ohm

minimum impedance
3400 w

continuous power handling
1700 w

nominal power handling (aes)
97 db

sensitivity (1w/1m)
35 - 1500 hz

frequency range
116 mm (4.5 in)

voice coil diameter
copper

winding material
glass fibre

former material
neodymium inside slug

magnet material
34 mm (1.33 in)

winding depth
14 mm (0.55 in)

magnetic gap depth
1.16 t

flux density

design

triple roll

surround shape
radial

cone shape
neodymium inside slug

magnet type
double silicone

spider
t-pole

pole design
150 dm3 (5.30 ft3)

recommended enclosure volume
35 hz

recommended tuning frequency

parameters

32 hz

fs
5.3 ohm

re
0.32

qes
5.6

qms
0.3

qts
187 dm3 (6.50 ft3)

vas
1210 cm2 (187.60 in2)

sd
1.9 %

η0
14 mm

xmax
16 mm

xvar
275 g

mms
30.3 txm

bl
1.9 mh

le
100 hz

ebp

mounting and shipping info

460 mm (18 in)

overall diameter
443 mm (17.44 in)

bolt circle diameter
422 mm (16.6 in)

baffle cutout diameter
242 mm (9.5 in)

depth
16 mm (0.62 in)

flange and gasket thickness
10.5 dm3 (0.37 ft3)

air volume occupied by driver
11.9 kg (26.2 lb)

net weight
13.9 kg (30.6 lb)

shipping weight
500x500x250 mm (19.7x19.7x9.8 in)

shipping box

rck18sw1158

service kit