Celestion TF1525e

Name: TF1525e
Brand: Celestion

Low frequency

15″ / 381 mm

Nominal diameter

48 Hz

Resonance

0.47

Q factor

96 dB

Sensitivity

± 5.25 mm

Linear excursion

600 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.5; dB
Frequency response: 45 - 3500; Hz
Resonance frequency (free air)
f_S: 47.5; Hz
Mechanical quality factor
Q_MS: 4.49
Electrical quality factor
Q_ES: 0.53
Total quality factor
Q_TS: 0.47
Maximum linear excursion
x_max: 5.25; mm
Air volume displaced at x_max
V_D: 449; cm³
Power handling
P: 300; W
Program power
P_max: 600; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.8; Ω
Inductance (1kHz)
L_E: 1.31; mH
VC Diameter: 64; mm
Winding height
H_VC: 14.5; mm
Winding material: Edgewound copper
Former material: Glass fibre
Force factor
Bl: 17.78; N/A
Motor constant
Bl/√R_E: 6.81; N/√W
Air gap height
H_AG: 8; mm
Weight: 1.4; kg
Material: Ferrite
Effective diameter: 330; mm
Effective area
S_D: 855; cm²
Moving mass
M_MS: 82.1; g
Moving mass (without air load)
M_MD: 64.8; g
Material: Kevlar loaded paper
Stiffness
K_MS: 7.14; N/mm
Compliance
C_MS: 140; µm/N
Equivalent volume to the compliance
V_AS: 142; L
Mechanical resistance
R_MS: 5.46; N·s/m
Surround material: Cloth-sealed
Nominal diameter: 15; ″
: 381; mm
Overall diameter: 385; mm
Baffle cutout diameter: 352; mm
Overall depth: 163; mm
Volume occupied by the driver (estimated): 2.9; L
Net weight: 4.8; kg
Frame material: Pressed steel

Datasheet

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Celestion TF1525e

Low frequency

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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