P.Audio 15BM-400B v3

Name: 15BM-400B v3
Brand: P.Audio

Low frequency

15″ / 381 mm

Nominal diameter

48 Hz

Resonance

0.4

Q factor

98 dB

Sensitivity

± 3.9 mm

Linear excursion

600 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 97.8; dB
Frequency response: 45 - 3500; Hz
Resonance frequency (free air)
f_S: 48.0; Hz
Mechanical quality factor
Q_MS: 5.39
Electrical quality factor
Q_ES: 0.43
Total quality factor
Q_TS: 0.40
Maximum linear excursion
x_max: 3.9; mm
Air volume displaced at x_max
V_D: 334; cm³
Power handling
P: 300; W
Program power
P_max: 600; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.7; Ω
Inductance (1kHz)
L_E: 0.44; mH
VC Diameter: 76; mm
Winding height
H_VC: 16.8; mm
Winding material: Copper
Former material: Kapton
Flux density
B: 1.2; T
Force factor
Bl: 19.19; N/A
Motor constant
Bl/√R_E: 8.04; N/√W
Air gap height
H_AG: 9; mm
Material: Ferrite
Effective diameter: 331; mm
Effective area
S_D: 855; cm²
Moving mass
M_MS: 92.2; g
Moving mass (without air load)
M_MD: 74.6; g
Material: Paper
Stiffness
K_MS: 8.4; N/mm
Compliance
C_MS: 119; µm/N
Equivalent volume to the compliance
V_AS: 123; L
Mechanical resistance
R_MS: 5.16; N·s/m
Surround material: Cloth
Spider material: Cotton (Single)
Nominal diameter: 15; ″
: 381; mm
Overall diameter: 392; mm
Baffle cutout diameter: 353; mm
Overall depth: 167; mm
Flange thickness: 16; mm
Mounting depth: 151; mm
Volume occupied by the driver (estimated): 4.1; L
Net weight: 8.0; kg
Frame material: Aluminium

Datasheet

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P.Audio 15BM-400B v3

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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