P.Audio 15NT-76MB

Name: 15NT-76MB
Brand: P.Audio

Low frequency

15″ / 381 mm

Nominal diameter

43 Hz

Resonance

0.45

Q factor

97 dB

Sensitivity

± 4.75 mm

Linear excursion

1000 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 96.9; dB
Frequency response: 40 - 4000; Hz
Resonance frequency (free air)
f_S: 43.0; Hz
Mechanical quality factor
Q_MS: 10.92
Electrical quality factor
Q_ES: 0.47
Total quality factor
Q_TS: 0.45
Maximum linear excursion
x_max: 4.75; mm
Air volume displaced at x_max
V_D: 406; cm³
Power handling
P: 500; W
Program power
P_max: 1000; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.2; Ω
Inductance (1kHz)
L_E: 0.59; mH
VC Diameter: 76; mm
Winding height
H_VC: 19; mm
Winding material: Flat aluminium wire
Former material: Kapton
Flux density
B: 1.2; T
Force factor
Bl: 17.51; N/A
Motor constant
Bl/√R_E: 7.03; N/√W
Air gap height
H_AG: 9.5; mm
Material: Neodymium
Effective diameter: 331; mm
Effective area
S_D: 855; cm²
Moving mass
M_MS: 86.4; g
Moving mass (without air load)
M_MD: 69.1; g
Material: Waterproof Paper
Stiffness
K_MS: 5.92; N/mm
Compliance
C_MS: 169; µm/N
Equivalent volume to the compliance
V_AS: 176; L
Mechanical resistance
R_MS: 2.14; N·s/m
Surround material: Cloth
Spider material: Cotton
Nominal diameter: 15; ″
: 381; mm
Overall diameter: 386; mm
Baffle cutout diameter: 353; mm
Overall depth: 190; mm
Flange thickness: 15; mm
Mounting depth: 175; mm
Volume occupied by the driver (estimated): 3.6; L
Net weight: 5.9; kg
Frame material: Aluminium

Datasheet

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P.Audio 15NT-76MB

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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