SICA 12 C 2,5 CP

Name: 12 C 2,5 CP
Brand: SICA

Coaxial

12″ / 321 mm

Nominal diameter

51 Hz

Resonance

0.3

Q factor

97 dB

Sensitivity

± 5 mm

Linear excursion

600 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 96.5; dB
Frequency response: 55 - 3500; Hz
Resonance frequency (free air)
f_S: 50.5; Hz
Mechanical quality factor
Q_MS: 8.85
Electrical quality factor
Q_ES: 0.31
Total quality factor
Q_TS: 0.30
Maximum linear excursion
x_max: 5.0; mm
Air volume displaced at x_max
V_D: 266; cm³
Power handling
P: 300; W
Program power
P_max: 600; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.2; Ω
Inductance (1kHz)
L_E: 1.12; mH
VC Diameter: 65; mm
Winding height
H_VC: 8; mm
Winding material: Copper
Former material: Kapton
Flux density
B: 1.3; T
Force factor
Bl: 17.3; N/A
Motor constant
Bl/√R_E: 6.95; N/√W
Weight: 1.45; kg
Material: Ferrite
Effective diameter: 260; mm
Effective area
S_D: 531; cm²
Moving mass
M_MS: 47; g
Moving mass (without air load)
M_MD: 38.1; g
Material: Paper
Stiffness
K_MS: 4.74; N/mm
Compliance
C_MS: 211; µm/N
Equivalent volume to the compliance
V_AS: 84.5; L
Mechanical resistance
R_MS: 1.69; N·s/m
Surround material: Treated Cloth
Nominal diameter: 12; ″
: 321; mm
Overall diameter: 320; mm
Baffle cutout diameter: 284; mm
Overall depth: 132; mm
Volume occupied by the driver (estimated): 2.3; L
Net weight: 5.0; kg
Frame material: Aluminium Die-Cast

Datasheet

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SICA 12 C 2,5 CP

Coaxial

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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