P.Audio 12NT-100MB

Name: 12NT-100MB
Brand: P.Audio

Low frequency

12″ / 305 mm

Nominal diameter

55 Hz

Resonance

0.32

Q factor

95 dB

Sensitivity

± 2.55 mm

Linear excursion

1200 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.3; dB
Frequency response: 60 - 2500; Hz
Resonance frequency (free air)
f_S: 55.0; Hz
Mechanical quality factor
Q_MS: 6.02
Electrical quality factor
Q_ES: 0.33
Total quality factor
Q_TS: 0.32
Maximum linear excursion
x_max: 2.55; mm
Air volume displaced at x_max
V_D: 135; cm³
Power handling
P: 600; W
Program power
P_max: 1200; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.4; Ω
Inductance (1kHz)
L_E: 0.59; mH
VC Diameter: 99; mm
Winding height
H_VC: 15.1; mm
Winding material: Flat aluminium wire
Former material: Kapton
Flux density
B: 1.1; T
Force factor
Bl: 19.65; N/A
Motor constant
Bl/√R_E: 8.46; N/√W
Air gap height
H_AG: 10; mm
Material: Neodymium
Effective diameter: 261; mm
Effective area
S_D: 531; cm²
Moving mass
M_MS: 70.1; g
Moving mass (without air load)
M_MD: 61.4; g
Material: Waterproof Paper
Stiffness
K_MS: 8.4; N/mm
Compliance
C_MS: 119; µm/N
Equivalent volume to the compliance
V_AS: 47.8; L
Mechanical resistance
R_MS: 4.03; 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: 161; mm
Flange thickness: 15; mm
Mounting depth: 146; mm
Volume occupied by the driver (estimated): 2.8; L
Frame material: Aluminium

Datasheet

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P.Audio 12NT-100MB

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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