Eminence BETA-8CX

Name: BETA-8CX
Brand: Eminence

Coaxial

8″ / 203 mm

Nominal diameter

62 Hz

Resonance

0.29

Q factor

94 dB

Sensitivity

± 3.2 mm

Linear excursion

500 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 93.5; dB
Frequency response: 95 - 3300; Hz
Resonance frequency (free air)
f_S: 62.0; Hz
Mechanical quality factor
Q_MS: 6.57
Electrical quality factor
Q_ES: 0.31
Total quality factor
Q_TS: 0.29
Maximum linear excursion
x_max: 3.2; mm
Maximum excursion before damage
x_lim: 6.9; mm
Air volume displaced at x_max
V_D: 67; cm³
Power handling
P: 250; W
Program power
P_max: 500; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.4; Ω
Inductance (1kHz)
L_E: 0.67; mH
VC Diameter: 51; mm
Winding material: Copper
Former material: Kapton
Force factor
Bl: 11.21; N/A
Motor constant
Bl/√R_E: 4.84; N/√W
Air gap height
H_AG: 7.9; mm
Weight: 1.077; kg
Material: Ferrite
Effective diameter: 164; mm
Effective area
S_D: 210; cm²
Moving mass
M_MS: 19; g
Moving mass (without air load)
M_MD: 16.7; g
Material: Paper
Stiffness
K_MS: 2.86; N/mm
Compliance
C_MS: 350; µm/N
Equivalent volume to the compliance
V_AS: 21.4; L
Mechanical resistance
R_MS: 1.13; N·s/m
Surround material: Sealed cloth
Nominal diameter: 8; ″
: 203; mm
Overall diameter: 209; mm
Baffle cutout diameter: 181; mm
Overall depth: 89; mm
Volume occupied by the driver: 0.79; L
Net weight: 3.08; kg
Frame material: Pressed steel

Datasheet

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Eminence BETA-8CX

Coaxial

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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