SICA 4 D 0,8 CS

Name: 4 D 0,8 CS
Brand: SICA

Full-range

4″ / 102 mm

Nominal diameter

140 Hz

Resonance

0.92

Q factor

87 dB

Sensitivity

± 1.3 mm

Linear excursion

70 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 86.9; dB
Frequency response: 140 - 20000; Hz
Resonance frequency (free air)
f_S: 140; Hz
Mechanical quality factor
Q_MS: 4.20
Electrical quality factor
Q_ES: 1.18
Total quality factor
Q_TS: 0.92
Maximum linear excursion
x_max: 1.3; mm
Air volume displaced at x_max
V_D: 5.8; cm³
Power handling
P: 35; W
Program power
P_max: 70; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 3.0; Ω
Inductance (1kHz)
L_E: 0.14; mH
VC Diameter: 20; mm
Winding height
H_VC: 4; mm
Winding material: Copper
Former material: Epotex
Flux density
B: 1.1; T
Force factor
Bl: 2.65; N/A
Motor constant
Bl/√R_E: 1.53; N/√W
Weight: 0.154; kg
Material: Ferrite
Effective diameter: 75; mm
Effective area
S_D: 44; cm²
Moving mass
M_MS: 3.1; g
Moving mass (without air load)
M_MD: 2.9; g
Material: Paper
Stiffness
K_MS: 2.4; N/mm
Compliance
C_MS: 416; µm/N
Equivalent volume to the compliance
V_AS: 1.2; L
Mechanical resistance
R_MS: 0.65; N·s/m
Surround material: Treated Cloth
Nominal diameter: 4; ″
: 102; mm
Overall diameter: 100; mm
Baffle cutout diameter: 90; mm
Overall depth: 50; mm
Volume occupied by the driver (estimated): 0.11; L
Net weight: 0.4; kg
Frame material: Pressed Sheet Steel

Datasheet

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SICA 4 D 0,8 CS

Full-range

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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