Celestion FTR15-3070E

Name: FTR15-3070E
Brand: Celestion

Low frequency

15″ / 381 mm

Nominal diameter

46 Hz

Resonance

0.38

Q factor

96 dB

Sensitivity

± 7.75 mm

Linear excursion

800 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 96.1; dB
Frequency response: 40 - 4000; Hz
Resonance frequency (free air)
f_S: 45.9; Hz
Mechanical quality factor
Q_MS: 3.41
Electrical quality factor
Q_ES: 0.43
Total quality factor
Q_TS: 0.38
Maximum linear excursion
x_max: 7.75; mm
Air volume displaced at x_max
V_D: 663; cm³
Power handling
P: 400; W
Program power
P_max: 800; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.5; Ω
Inductance (1kHz)
L_E: 1.21; mH
VC Diameter: 75; mm
Winding height
H_VC: 20; mm
Winding material: Round copper
Former material: Glass fibre
Force factor
Bl: 17.87; N/A
Motor constant
Bl/√R_E: 7.61; N/√W
Air gap height
H_AG: 9; mm
Weight: 2.3; kg
Material: Ferrite
Effective diameter: 330; mm
Effective area
S_D: 855; cm²
Moving mass
M_MS: 85.5; g
Moving mass (without air load)
M_MD: 68.2; g
Material: Glass loaded paper (weather-resistant)
Stiffness
K_MS: 7.14; N/mm
Compliance
C_MS: 140; µm/N
Equivalent volume to the compliance
V_AS: 146; L
Mechanical resistance
R_MS: 7.23; N·s/m
Surround material: Cloth-sealed
Nominal diameter: 15; ″
: 381; mm
Overall diameter: 385; mm
Baffle cutout diameter: 351; mm
Overall depth: 161; mm
Volume occupied by the driver (estimated): 3.4; L
Net weight: 6.4; kg
Frame material: Cast aluminium

Datasheet

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Celestion FTR15-3070E

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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