P.Audio 15NT-88MB

Name: 15NT-88MB
Brand: P.Audio

Low frequency

15″ / 381 mm

Nominal diameter

51 Hz

Resonance

0.48

Q factor

98 dB

Sensitivity

± 4.5 mm

Linear excursion

1400 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 97.5; dB
Frequency response: 50 - 4000; Hz
Resonance frequency (free air)
f_S: 51.0; Hz
Mechanical quality factor
Q_MS: 9.49
Electrical quality factor
Q_ES: 0.51
Total quality factor
Q_TS: 0.48
Maximum linear excursion
x_max: 4.5; mm
Air volume displaced at x_max
V_D: 385; cm³
Power handling
P: 700; W
Program power
P_max: 1400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.8; Ω
Inductance (1kHz)
L_E: 0.52; mH
VC Diameter: 89; mm
Winding height
H_VC: 19; mm
Winding material: Flat aluminium wire
Former material: Kapton
Flux density
B: 1.2; T
Force factor
Bl: 19.61; N/A
Motor constant
Bl/√R_E: 7.52; N/√W
Air gap height
H_AG: 10; mm
Material: Neodymium
Effective diameter: 336; mm
Effective area
S_D: 855; cm²
Moving mass
M_MS: 89.2; g
Moving mass (without air load)
M_MD: 71.9; g
Material: Waterproof Paper
Stiffness
K_MS: 8.77; N/mm
Compliance
C_MS: 114; µm/N
Equivalent volume to the compliance
V_AS: 119; L
Mechanical resistance
R_MS: 3.01; 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): 3.8; L
Net weight: 6.3; kg
Frame material: Aluminium

Datasheet

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P.Audio 15NT-88MB

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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