Ciare 12.75W1

Name: 12.75W1
Brand: Ciare

4Ω

8Ω

Woofer

12″ / 320 mm

Nominal diameter

49 Hz

Resonance

0.33

Q factor

95 dB

Sensitivity

± 6 mm

Linear excursion

700 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.1; dB
Frequency response: 45 - 2000; Hz
Resonance frequency (free air)
f_S: 49.0; Hz
Mechanical quality factor
Q_MS: 15.00
Electrical quality factor
Q_ES: 0.34
Total quality factor
Q_TS: 0.33
Maximum linear excursion
x_max: 6.0; mm
Air volume displaced at x_max
V_D: 326; cm³
Power handling
P: 350; W
Program power
P_max: 700; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.9; Ω
Inductance (1kHz)
L_E: 1.6; mH
VC Diameter: 75; mm
Winding height
H_VC: 17; mm
Winding material: Copper
Former material: Kapton
Force factor
Bl: 18.9; N/A
Motor constant
Bl/√R_E: 7.78; N/√W
Air gap height
H_AG: 10; mm
Material: Ferrite
Effective diameter: 263; mm
Effective area
S_D: 543; cm²
Moving mass
M_MS: 65; g
Moving mass (without air load)
M_MD: 56; g
Material: Treated Cellulose
Stiffness
K_MS: 6.33; N/mm
Compliance
C_MS: 158; µm/N
Equivalent volume to the compliance
V_AS: 67; L
Mechanical resistance
R_MS: 1.33; N·s/m
Surround material: Doped fabric
Spider material: Nomex Fabric
Nominal diameter: 12; ″
: 320; mm
Overall diameter: 315; mm
Baffle cutout diameter: 282; mm
Overall depth: 146; mm
Flange thickness: 13; mm
Mounting depth: 133; mm
Volume occupied by the driver (estimated): 3.1; L
Net weight: 7.4; kg
Frame material: Diecast Aluminium

Datasheet

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Ciare 12.75W1

Woofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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