Eminence KAPPA PRO-12A

Name: Eminence KAPPA PRO-12A
Brand: Eminence

Mid Bass

12″ / 305 mm

Nominal diameter

37 Hz

Resonance

0.24

Q factor

95 dB

Sensitivity

± 4.8 mm

Linear excursion

1000 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.0; dB
Frequency response: 57 - 2800; Hz
Resonance frequency (free air)
f_S: 37.0; Hz
Mechanical quality factor
Q_MS: 6.93
Electrical quality factor
Q_ES: 0.25
Total quality factor
Q_TS: 0.24
Maximum linear excursion
x_max: 4.8; mm
Maximum excursion before damage
x_lim: 14.8; mm
Air volume displaced at x_max
V_D: 249; cm³
Power handling
P: 500; W
Program power
P_max: 1000; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.5; Ω
Inductance (1kHz)
L_E: 1.22; mH
VC Diameter: 76; mm
Winding material: Copper
Former material: Polyimide
Force factor
Bl: 17.3; N/A
Motor constant
Bl/√R_E: 7.4; N/√W
Air gap height
H_AG: 9.5; mm
Weight: 2.268; kg
Material: Ferrite
Effective diameter: 257; mm
Effective area
S_D: 520; cm²
Moving mass
M_MS: 59; g
Moving mass (without air load)
M_MD: 50.5; g
Material: Paper
Stiffness
K_MS: 3.13; N/mm
Compliance
C_MS: 320; µm/N
Equivalent volume to the compliance
V_AS: 121; L
Mechanical resistance
R_MS: 1.98; N·s/m
Surround material: Cloth
Nominal diameter: 12; ″
: 305; mm
Overall diameter: 315; mm
Baffle cutout diameter: 281; mm
Overall depth: 158; mm
Volume occupied by the driver: 2.55; L
Net weight: 7.53; kg
Frame material: Die-cast aluminum

Datasheet

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Eminence KAPPA PRO-12A

Mid Bass

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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