Celestion FTR12-4080DL

Name: FTR12-4080DL
Brand: Celestion

Low frequency

12″ / 305 mm

Nominal diameter

29 Hz

Resonance

0.3

Q factor

88 dB

Sensitivity

± 13.6 mm

Linear excursion

1400 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 88.4; dB
Frequency response: 20 - 300; Hz
Resonance frequency (free air)
f_S: 28.9; Hz
Mechanical quality factor
Q_MS: 2.47
Electrical quality factor
Q_ES: 0.35
Total quality factor
Q_TS: 0.30
Maximum linear excursion
x_max: 13.6; mm
Air volume displaced at x_max
V_D: 722; cm³
Power handling
P: 700; W
Program power
P_max: 1400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.2; Ω
Inductance (1kHz)
L_E: 2.07; mH
VC Diameter: 100; mm
Winding height
H_VC: 32; mm
Winding material: Round copper
Former material: Aluminium
Force factor
Bl: 24.05; N/A
Motor constant
Bl/√R_E: 9.63; N/√W
Air gap height
H_AG: 9.5; mm
Weight: 3.6; kg
Material: Ferrite
Effective diameter: 260; mm
Effective area
S_D: 531; cm²
Moving mass
M_MS: 176.1; g
Moving mass (without air load)
M_MD: 167.4; g
Material: Glass loaded paper (weather-resistant)
Stiffness
K_MS: 5.88; N/mm
Compliance
C_MS: 170; µm/N
Equivalent volume to the compliance
V_AS: 68.6; L
Mechanical resistance
R_MS: 12.97; N·s/m
Surround material: Elastomer
Nominal diameter: 12; ″
: 305; mm
Overall diameter: 313; mm
Baffle cutout diameter: 282; mm
Overall depth: 169; mm
Volume occupied by the driver (estimated): 4.2; L
Net weight: 10.2; kg
Frame material: Cast aluminium

Datasheet

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Celestion FTR12-4080DL

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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