Celestion CF1540HD

Name: CF1540HD
Brand: Celestion

Low frequency

15″ / 381 mm

Nominal diameter

41 Hz

Resonance

0.31

Q factor

95 dB

Sensitivity

± 10.5 mm

Linear excursion

2400 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 94.9; dB
Frequency response: 35 - 2000; Hz
Resonance frequency (free air)
f_S: 40.8; Hz
Mechanical quality factor
Q_MS: 5.59
Electrical quality factor
Q_ES: 0.32
Total quality factor
Q_TS: 0.31
Maximum linear excursion
x_max: 10.5; mm
Air volume displaced at x_max
V_D: 898; cm³
Power handling
P: 1200; W
Program power
P_max: 2400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.2; Ω
Inductance (1kHz)
L_E: 1.22; mH
VC Diameter: 100; mm
Winding height
H_VC: 25; mm
Winding material: Round copper
Former material: Glass fibre
Force factor
Bl: 24.4; N/A
Motor constant
Bl/√R_E: 10.8; N/√W
Air gap height
H_AG: 8; mm
Weight: 3.18; kg
Material: Ferrite
Effective diameter: 330; mm
Effective area
S_D: 855; cm²
Moving mass
M_MS: 145.5; g
Moving mass (without air load)
M_MD: 127.9; g
Material: Glass loaded paper (weather-resistant)
Stiffness
K_MS: 9.09; N/mm
Compliance
C_MS: 110; µm/N
Equivalent volume to the compliance
V_AS: 108; L
Mechanical resistance
R_MS: 6.67; N·s/m
Surround material: Cloth-sealed
Nominal diameter: 15; ″
: 381; mm
Overall diameter: 393; mm
Baffle cutout diameter: 354; mm
Overall depth: 184; mm
Volume occupied by the driver (estimated): 5.4; L
Net weight: 11.2; kg
Frame material: Cast aluminium

Datasheet

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Celestion CF1540HD

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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