P.Audio 12NX-76MB

Name: 12NX-76MB
Brand: P.Audio

Low frequency

12″ / 305 mm

Nominal diameter

55 Hz

Resonance

0.27

Q factor

99 dB

Sensitivity

± 4.75 mm

Linear excursion

900 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 98.9; dB
Frequency response: 55 - 5000; Hz
Resonance frequency (free air)
f_S: 55.0; Hz
Mechanical quality factor
Q_MS: 10.53
Electrical quality factor
Q_ES: 0.27
Total quality factor
Q_TS: 0.27
Maximum linear excursion
x_max: 4.75; mm
Air volume displaced at x_max
V_D: 262; cm³
Power handling
P: 450; W
Program power
P_max: 900; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.5; Ω
Inductance (1kHz)
L_E: 0.4; mH
VC Diameter: 76; mm
Winding height
H_VC: 19; mm
Winding material: Flat aluminium wire
Former material: Kapton
Flux density
B: 1.4; T
Force factor
Bl: 20.6; N/A
Motor constant
Bl/√R_E: 8.08; N/√W
Air gap height
H_AG: 9.5; mm
Material: Neodymium
Effective diameter: 263; mm
Effective area
S_D: 552; cm²
Moving mass
M_MS: 52.2; g
Moving mass (without air load)
M_MD: 43.2; g
Material: Waterproof Paper
Stiffness
K_MS: 6.37; N/mm
Compliance
C_MS: 157; µm/N
Equivalent volume to the compliance
V_AS: 67.8; L
Mechanical resistance
R_MS: 1.71; N·s/m
Surround material: Cloth
Spider material: Cotton
Nominal diameter: 12; ″
: 305; mm
Overall diameter: 313; mm
Baffle cutout diameter: 283; mm
Overall depth: 150; mm
Flange thickness: 19; mm
Mounting depth: 131; mm
Volume occupied by the driver (estimated): 2.6; L
Frame material: Aluminium

Datasheet

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P.Audio 12NX-76MB

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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