Eminence BETA-10CX

Coaxial

10″ / 254 mm
Nominal diameter
49 Hz
Resonance
0.38
Q factor
94 dB
Sensitivity
± 5 mm
Linear excursion
500 W
Program Power
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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
93.6
dB
Frequency response
60 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
49.0
Hz
Mechanical quality factor
QMS
6.16
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.38

Large signal parameters

Maximum linear excursion
xmax
5.0
mm
Maximum excursion before damage
xlim
7.6
mm
Air volume displaced at xmax
VD
173
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.67
mH
VC Diameter
51
mm
Winding material
Copper
Former material
Kapton

Magnet

Force factor
Bl
10.88
N/A
Motor constant
Bl/√RE
4.65
N/√W
Air gap height
HAG
7.9
mm
Weight
1.077
kg
Material
Ferrite

Diaphragm

Effective diameter
210
mm
Effective area
SD
345
cm²
Moving mass
MMS
29
g
Moving mass (without air load)
MMD
24.4
g
Material
Paper

Suspensions

Stiffness
KMS
2.7
N/mm
Compliance
CMS
370
µm/N
Equivalent volume to the compliance
VAS
61.1
L
Mechanical resistance
RMS
1.45
N·s/m
Surround material
Cloth

Dimensions

Nominal diameter
10
254
mm
Overall diameter
256
mm
Baffle cutout diameter
233
mm
Overall depth
101
mm
Volume occupied by the driver
1.17
L
Net weight
3.31
kg
Frame material
Pressed steel
Eminence BETA-10CX SPL & Impedance

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