BMS 15CN680

Name: 15CN680
Brand: BMS

Coaxial

15″ / 388 mm

Nominal diameter

41 Hz

Resonance

0.36

Q factor

95 dB

Sensitivity

± 5.5 mm

Linear excursion

1000 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.1; dB
Frequency response: 40 - 2000; Hz
Resonance frequency (free air)
f_S: 40.7; Hz
Mechanical quality factor
Q_MS: 6.28
Electrical quality factor
Q_ES: 0.38
Total quality factor
Q_TS: 0.36
Maximum linear excursion
x_max: 5.5; mm
Air volume displaced at x_max
V_D: 459; cm³
Power handling
P: 500; W
Program power
P_max: 1000; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.7; Ω
Inductance (1kHz, estimated)
L_E: 1.39; mH
VC Diameter: 77; mm
Winding height
H_VC: 19; mm
Winding material: Copper
Former material: Kapton
Flux density
B: 2.2; T
Force factor
Bl: 20.6; N/A
Motor constant
Bl/√R_E: 8.63; N/√W
Air gap height
H_AG: 8; mm
Material: Neodymium
Effective diameter: 335; mm
Effective area
S_D: 834; cm²
Moving mass
M_MS: 110; g
Moving mass (without air load)
M_MD: 93; g
Material: Polyester
Stiffness
K_MS: 7.14; N/mm
Compliance
C_MS: 140; µm/N
Equivalent volume to the compliance
V_AS: 137; L
Mechanical resistance
R_MS: 4.48; N·s/m
Nominal diameter: 15; ″
: 388; mm
Overall diameter: 388; mm
Baffle cutout diameter: 358; mm
Overall depth: 203; mm
Volume occupied by the driver (estimated): 3.5; L
Net weight: 5.3; kg
Frame material: Cast Aluminum

Datasheet

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BMS 15CN680

Coaxial

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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