P.Audio EX12-300S

Name: EX12-300S
Brand: P.Audio

Low frequency

12″ / 305 mm

Nominal diameter

66 Hz

Resonance

0.54

Q factor

95 dB

Sensitivity

± 3.1 mm

Linear excursion

500 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.1; dB
Frequency response: 60 - 5000; Hz
Resonance frequency (free air)
f_S: 66.0; Hz
Mechanical quality factor
Q_MS: 3.34
Electrical quality factor
Q_ES: 0.64
Total quality factor
Q_TS: 0.54
Maximum linear excursion
x_max: 3.1; mm
Air volume displaced at x_max
V_D: 165; cm³
Power handling
P: 250; W
Program power
P_max: 500; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.8; Ω
Inductance (1kHz)
L_E: 0.5; mH
VC Diameter: 64; mm
Winding height
H_VC: 16.2; mm
Winding material: CCA-W
Former material: Glass fiber
Flux density
B: 1.1; T
Force factor
Bl: 13.73; N/A
Motor constant
Bl/√R_E: 5.7; N/√W
Air gap height
H_AG: 10; mm
Material: Ferrite
Effective diameter: 259; mm
Effective area
S_D: 531; cm²
Moving mass
M_MS: 50.5; g
Moving mass (without air load)
M_MD: 41.8; g
Material: Paper
Stiffness
K_MS: 8.7; N/mm
Compliance
C_MS: 115; µm/N
Equivalent volume to the compliance
V_AS: 45.9; L
Mechanical resistance
R_MS: 6.26; N·s/m
Surround material: Cloth
Spider material: Cotton (Single)
Nominal diameter: 12; ″
: 305; mm
Overall diameter: 312; mm
Baffle cutout diameter: 278; mm
Overall depth: 148; mm
Flange thickness: 9; mm
Mounting depth: 139; mm
Volume occupied by the driver (estimated): 2.3; L
Net weight: 4.7; kg
Frame material: Steel

Datasheet

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P.Audio EX12-300S

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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