SICA 4 L1 1 SL

Name: 4 L1 1 SL
Brand: SICA

Woofer

4″ / 104 mm

Nominal diameter

120 Hz

Resonance

0.36

Q factor

89 dB

Sensitivity

± 2.5 mm

Linear excursion

140 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 88.5; dB
Frequency response: 120 - 10000; Hz
Resonance frequency (free air)
f_S: 120; Hz
Mechanical quality factor
Q_MS: 2.15
Electrical quality factor
Q_ES: 0.44
Total quality factor
Q_TS: 0.36
Maximum linear excursion
x_max: 2.5; mm
Air volume displaced at x_max
V_D: 11; cm³
Power handling
P: 70; W
Program power
P_max: 140; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.5; Ω
Inductance (1kHz)
L_E: 0.15; mH
VC Diameter: 25; mm
Winding height
H_VC: 5; mm
Winding material: Aluminium
Former material: Aluminium
Flux density
B: 1.39; T
Force factor
Bl: 6.16; N/A
Motor constant
Bl/√R_E: 2.63; N/√W
Weight: 0.092; kg
Material: Neodymium
Effective diameter: 75; mm
Effective area
S_D: 44; cm²
Moving mass
M_MS: 4; g
Moving mass (without air load)
M_MD: 3.8; g
Material: Paper
Stiffness
K_MS: 2.27; N/mm
Compliance
C_MS: 440; µm/N
Equivalent volume to the compliance
V_AS: 1.2; L
Mechanical resistance
R_MS: 1.4; N·s/m
Surround material: Treated Cloth
Nominal diameter: 4; ″
: 104 x 104; mm
Overall size: 104 x 104; mm
Baffle cutout diameter: 90; mm
Overall depth: 54; mm
Volume occupied by the driver (estimated): 0.12; L
Net weight: 0.4; kg
Frame material: Pressed sheet steel

Datasheet

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SICA 4 L1 1 SL

Woofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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