Celestion NTR08-2011D

Name: Celestion NTR08-2011D
Brand: Celestion

Low frequency

8″ / 203 mm

Nominal diameter

85 Hz

Resonance

0.44

Q factor

92 dB

Sensitivity

± 6 mm

Linear excursion

400 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 92.2; dB
Frequency response: 70 - 6000; Hz
Resonance frequency (free air)
f_S: 84.8; Hz
Mechanical quality factor
Q_MS: 2.34
Electrical quality factor
Q_ES: 0.54
Total quality factor
Q_TS: 0.44
Maximum linear excursion
x_max: 6.0; mm
Air volume displaced at x_max
V_D: 136; cm³
Power handling
P: 200; W
Program power
P_max: 400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.8; Ω
Inductance (1kHz)
L_E: 0.59; mH
VC Diameter: 50; mm
Winding height
H_VC: 16; mm
Winding material: Round copper
Former material: Polyimide
Force factor
Bl: 11.98; N/A
Motor constant
Bl/√R_E: 4.98; N/√W
Air gap height
H_AG: 8; mm
Material: Neodymium
Effective diameter: 170; mm
Effective area
S_D: 227; cm²
Moving mass
M_MS: 24.9; g
Moving mass (without air load)
M_MD: 22.3; g
Material: Kevlar loaded paper (weather-resistant)
Stiffness
K_MS: 7.14; N/mm
Compliance
C_MS: 140; µm/N
Equivalent volume to the compliance
V_AS: 10.3; L
Mechanical resistance
R_MS: 5.66; N·s/m
Surround material: Cloth-sealed
Nominal diameter: 8; ″
: 203; mm
Overall diameter: 225; mm
Baffle cutout diameter: 100; mm
Overall depth: 100; mm
Volume occupied by the driver (estimated): 0.7; L
Net weight: 1.5; kg
Frame material: Cast aluminium

Datasheet

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Celestion NTR08-2011D

Low frequency

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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