B&C 8" 500 Watt 8 Ohm Coaxial Speaker w/ Neodymium Magnet - 8CXN51-8

500 w continuous program power capacity
100 nominal coverage
70 - 18000 hz response
97 db sensitivity
single neodymium magnet assembly

specifications
210 mm (8 in)
nominal diameter

8 ohm
nominal impedance

6 ohm (lf) 7.4 ohm (hf)
minimum impedance

70 - 18000 hz
frequency range

100
dispersion angle

polyimide
diaphragm material

1.8 khz
recom crossover

neodymium ring
magnet material

lf unit
97 db
sensitivity (1w/1m)

500 w
continuous power handling

250 w
nominal power handling (aes)

51 mm (2 in)
voice coil diameter

aluminium
winding material

hf unit
104 db
sensitivity (1w/1m)

100 w
continuous power handling

50 w
nominal power handling (aes)

44 mm (1.7 in)
voice coil diameter

aluminium
winding material

parameters
68 hz
fs

4.9 ohm
re

0.29
qes

4.7
qms

0.27
qts

17 dm3 (0.60 ft3)
vas

220 cm2 (34.10 in2)
sd

1.8 %
η0

6 mm
xmax

6 mm
xvar

22 g
mms

12.6 txm
bl

0.9 mh
le

mounting and shipping info
225 mm (8.8 in)
overall diameter

210 mm (8.3 in)
bolt circle diameter

187 mm (7.4 in)
baffle cutout diameter

111 mm (4.4 in)
depth

9.8 mm (0.4 in)
flange and gasket thickness

2.5 kg (5.5 lb)
net weight

3.2 kg (7 lb)
shipping weight

260x260x170 mm (10.2x10.2x6.7 in)
shipping box

rck008cxn518
service kit lf

mmd4008
service kit hf [single]