Celestion NTR15-3018E

Name: NTR15-3018E
Brand: Celestion

Low frequency

15″ / 381 mm

Nominal diameter

35 Hz

Resonance

0.28

Q factor

96 dB

Sensitivity

± 5 mm

Linear excursion

900 W

Program Power

Discontinued

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.8; dB
Frequency response: 30 - 3000; Hz
Resonance frequency (free air)
f_S: 34.9; Hz
Mechanical quality factor
Q_MS: 4.86
Electrical quality factor
Q_ES: 0.30
Total quality factor
Q_TS: 0.28
Maximum linear excursion
x_max: 5.0; mm
Air volume displaced at x_max
V_D: 428; cm³
Power handling
P: 450; W
Program power
P_max: 900; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.9; Ω
Inductance (1kHz)
L_E: 1.18; mH
VC Diameter: 75; mm
Winding height
H_VC: 20; mm
Winding material: Edgewound copper
Former material: Glass fibre
Force factor
Bl: 21.07; N/A
Motor constant
Bl/√R_E: 8.71; N/√W
Air gap height
H_AG: 10; mm
Material: Neodymium
Effective diameter: 330; mm
Effective area
S_D: 855; cm²
Moving mass
M_MS: 104.1; g
Moving mass (without air load)
M_MD: 86.8; g
Material: Glass loaded paper (weather-resistant)
Stiffness
K_MS: 5.0; N/mm
Compliance
C_MS: 200; µm/N
Equivalent volume to the compliance
V_AS: 207; L
Mechanical resistance
R_MS: 4.69; N·s/m
Surround material: Cloth-sealed
Nominal diameter: 15; ″
: 381; mm
Overall diameter: 386; mm
Baffle cutout diameter: 351; mm
Overall depth: 162; mm
Volume occupied by the driver (estimated): 2.5; L
Net weight: 4.0; kg
Frame material: Cast aluminium

Datasheet

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Celestion NTR15-3018E

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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