Celestion FTR15-4080FD

Name: FTR15-4080FD
Brand: Celestion

Low frequency

15″ / 381 mm

Nominal diameter

35 Hz

Resonance

0.28

Q factor

95 dB

Sensitivity

± 8.5 mm

Linear excursion

2000 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.0; dB
Frequency response: 35 - 2500; Hz
Resonance frequency (free air)
f_S: 35.4; Hz
Mechanical quality factor
Q_MS: 3.91
Electrical quality factor
Q_ES: 0.30
Total quality factor
Q_TS: 0.28
Maximum linear excursion
x_max: 8.5; mm
Air volume displaced at x_max
V_D: 727; cm³
Power handling
P: 1000; W
Program power
P_max: 2000; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.6; Ω
Inductance (1kHz)
L_E: 1.38; mH
VC Diameter: 100; mm
Winding height
H_VC: 22; mm
Winding material: Round copper
Former material: Glass fibre
Force factor
Bl: 23.05; N/A
Motor constant
Bl/√R_E: 9.74; N/√W
Air gap height
H_AG: 10; mm
Weight: 3.1; kg
Material: Ferrite
Effective diameter: 330; mm
Effective area
S_D: 855; cm²
Moving mass
M_MS: 127.2; g
Moving mass (without air load)
M_MD: 109.9; g
Material: Glass loaded paper (weather-resistant)
Stiffness
K_MS: 6.25; N/mm
Compliance
C_MS: 160; µm/N
Equivalent volume to the compliance
V_AS: 164; L
Mechanical resistance
R_MS: 7.24; N·s/m
Surround material: Cloth-sealed
Nominal diameter: 15; ″
: 381; mm
Overall diameter: 385; mm
Baffle cutout diameter: 351; mm
Overall depth: 170; mm
Volume occupied by the driver (estimated): 4.6; L
Net weight: 9.5; kg
Frame material: Cast aluminium

Datasheet

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Celestion FTR15-4080FD

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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