Eminence OMEGA PRO-18A

Name: OMEGA PRO-18A
Brand: Eminence

4Ω

8Ω

Subwoofer

18″ / 457 mm

Nominal diameter

25 Hz

Resonance

0.31

Q factor

95 dB

Sensitivity

± 4.8 mm

Linear excursion

1600 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.3; dB
Frequency response: 40 - 800; Hz
Resonance frequency (free air)
f_S: 25.0; Hz
Mechanical quality factor
Q_MS: 8.18
Electrical quality factor
Q_ES: 0.32
Total quality factor
Q_TS: 0.31
Maximum linear excursion
x_max: 4.8; mm
Maximum excursion before damage
x_lim: 16.0; mm
Air volume displaced at x_max
V_D: 556; cm³
Power handling
P: 800; W
Program power
P_max: 1600; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.2; Ω
Inductance (1kHz)
L_E: 1.67; mH
VC Diameter: 102; mm
Winding material: Copper
Former material: Polyimide
Force factor
Bl: 18.8; N/A
Motor constant
Bl/√R_E: 8.24; N/√W
Air gap height
H_AG: 9.5; mm
Weight: 3.09; kg
Material: Ferrite
Effective diameter: 384; mm
Effective area
S_D: 1159; cm²
Moving mass
M_MS: 137; g
Moving mass (without air load)
M_MD: 109.2; g
Material: Paper
Stiffness
K_MS: 3.45; N/mm
Compliance
C_MS: 290; µm/N
Equivalent volume to the compliance
V_AS: 549; L
Mechanical resistance
R_MS: 2.63; N·s/m
Surround material: Cloth
Nominal diameter: 18; ″
: 457; mm
Overall diameter: 457; mm
Baffle cutout diameter: 421; mm
Overall depth: 207; mm
Volume occupied by the driver: 6.62; L
Net weight: 11.43; kg
Frame material: Die-cast aluminum

Datasheet

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Eminence OMEGA PRO-18A

Subwoofer

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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