SICA 12 SR 3 CP

Name: 12 SR 3 CP
Brand: SICA

Subwoofer

12″ / 321 mm

Nominal diameter

37 Hz

Resonance

0.4

Q factor

90 dB

Sensitivity

± 8 mm

Linear excursion

900 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 89.8; dB
Frequency response: 35 - 3000; Hz
Resonance frequency (free air)
f_S: 37.0; Hz
Mechanical quality factor
Q_MS: 2.96
Electrical quality factor
Q_ES: 0.46
Total quality factor
Q_TS: 0.40
Maximum linear excursion
x_max: 8.0; mm
Air volume displaced at x_max
V_D: 393; cm³
Power handling
P: 450; W
Program power
P_max: 900; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.2; Ω
Inductance (1kHz)
L_E: 1.29; mH
VC Diameter: 75; mm
Winding height
H_VC: 10; mm
Winding material: Copper
Former material: Glass Fiber
Flux density
B: 1.0; T
Force factor
Bl: 16.57; N/A
Motor constant
Bl/√R_E: 7.27; N/√W
Weight: 1.79; kg
Material: Ferrite
Effective diameter: 250; mm
Effective area
S_D: 491; cm²
Moving mass
M_MS: 104; g
Moving mass (without air load)
M_MD: 95.9; g
Material: Paper
Stiffness
K_MS: 5.62; N/mm
Compliance
C_MS: 178; µm/N
Equivalent volume to the compliance
V_AS: 60.9; L
Mechanical resistance
R_MS: 8.17; N·s/m
Surround material: Rubber
Nominal diameter: 12; ″
: 321; mm
Overall diameter: 320; mm
Baffle cutout diameter: 284; mm
Overall depth: 141; mm
Volume occupied by the driver (estimated): 2.9; L
Net weight: 6.7; kg
Frame material: Aluminium Die-Cast

Datasheet

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SICA 12 SR 3 CP

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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