Ciare NDI12.50W

Name: NDI12.50W
Brand: Ciare

4Ω

8Ω

Woofer

12″ / 320 mm

Nominal diameter

53 Hz

Resonance

0.43

Q factor

95 dB

Sensitivity

± 5 mm

Linear excursion

450 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 94.9; dB
Resonance frequency (free air)
f_S: 53.0; Hz
Mechanical quality factor
Q_MS: 13.50
Electrical quality factor
Q_ES: 0.44
Total quality factor
Q_TS: 0.43
Maximum linear excursion
x_max: 5.0; mm
Air volume displaced at x_max
V_D: 274; cm³
Power handling
P: 220; W
Program power
P_max: 450; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 2.8; Ω
Inductance (1kHz)
L_E: 0.6; mH
VC Diameter: 50; mm
Winding height
H_VC: 13.5; mm
Former material: Glass fiber
Force factor
Bl: 10.6; N/A
Motor constant
Bl/√R_E: 6.33; N/√W
Air gap height
H_AG: 8; mm
Effective diameter: 264; mm
Effective area
S_D: 547; cm²
Moving mass
M_MS: 54; g
Moving mass (without air load)
M_MD: 45; g
Material: Doped cellulose fiber
Stiffness
K_MS: 5.88; N/mm
Compliance
C_MS: 170; µm/N
Equivalent volume to the compliance
V_AS: 70; L
Mechanical resistance
R_MS: 1.33; N·s/m
Surround material: Nomex Fabric
Spider material: Nomex Fabric
Nominal diameter: 12; ″
: 320; mm
Overall diameter: 315; mm
Baffle cutout diameter: 282; mm
Overall depth: 135; mm
Flange thickness: 13; mm
Mounting depth: 122; mm
Volume occupied by the driver (estimated): 1.5; L
Net weight: 2.7; kg
Frame material: Aluminium

Datasheet

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Ciare NDI12.50W

Woofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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