RCF CX12N351
Coaxial
12″ / 305 mm
Nominal diameter
58 Hz
Resonance
0.2
Q factor
97 dB
Sensitivity
± 6 mm
Linear excursion
180 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.1
dB
Frequency response
50 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
58.0
Hz
Mechanical quality factor
QMS
5.40
Electrical quality factor
QES
0.21
Total quality factor
QTS
0.20
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
19.5
mm
Air volume displaced at xmax
VD
300
cm³
Power handling
P
90
W
Program power
Pmax
180
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
1.5
mH
VC Diameter
89
mm
Winding height
HVC
17
mm
Winding material
Aluminium
Former material
Glass Fiber
Magnet
Force factor
Bl
25.0
N/A
Motor constant
Bl/√RE
10.4
N/√W
Air gap height
HAG
11
mm
Diaphragm
Effective diameter
260
mm
Effective area
SD
500
cm²
Moving mass
MMS
62
g
Moving mass (without air load)
MMD
53.7
g
Suspensions
Stiffness
KMS
8.26
N/mm
Compliance
CMS
121
µm/N
Equivalent volume to the compliance
VAS
47
L
Mechanical resistance
RMS
4.18
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
320
mm
Baffle cutout diameter
284
mm
Overall depth
157
mm
Volume occupied by the driver
2.2
L
Net weight
6.29
kg
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12″Mid Bass
fS
54 Hz
SD
522 cm²
55 - 3000 Hz
QTS
0.18
xmax
7.0 mm
SPL1W
97 dB
Bl/√RE
12
Pmax
1000 W
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