RCF CX10N251

Coaxial

10″ / 254 mm
Nominal diameter
72 Hz
Resonance
0.23
Q factor
99 dB
Sensitivity
± 5 mm
Linear excursion
600 W
Program Power
Discontinued
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.9
dB
Frequency response
65 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
72.0
Hz
Mechanical quality factor
QMS
4.50
Electrical quality factor
QES
0.25
Total quality factor
QTS
0.23

Large signal parameters

Maximum linear excursion
xmax
5.0
mm
Maximum excursion before damage
xlim
15.0
mm
Air volume displaced at xmax
VD
200
cm³
Power handling
P
300
W
Program power
Pmax
600
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.2
mH
VC Diameter
63
mm
Winding material
Aluminium

Magnet

Force factor
Bl
17.5
N/A
Motor constant
Bl/√RE
7.67
N/√W
Material
Neodymium

Diaphragm

Effective diameter
210
mm
Effective area
SD
400
cm²
Moving mass
MMS
28
g
Moving mass (without air load)
MMD
22.5
g
Material
Polymide

Suspensions

Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
25
L
Mechanical resistance
RMS
2.81
N·s/m
Surround material
Polycotton

Dimensions

Nominal diameter
10
254
mm
Overall diameter
260
mm
Baffle cutout diameter
234
mm
Overall depth
136
mm
Flange thickness
8
mm
Mounting depth
128
mm
Volume occupied by the driver
2.1
L
Net weight
3.29
kg
RCF CX10N251 Impedance
RCF CX10N251 SPL
RCF CX10N251 Dimensions

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