LaVoce SSF122.50L

Name: SSF122.50L
Brand: LaVoce

Subwoofer

12″ / 300 mm

Nominal diameter

41 Hz

Resonance

0.41

Q factor

91 dB

Sensitivity

± 11.5 mm

Linear excursion

800 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 90.9; dB
Frequency response: 40 - 500; Hz
Resonance frequency (free air)
f_S: 41.0; Hz
Mechanical quality factor
Q_MS: 3.22
Electrical quality factor
Q_ES: 0.47
Total quality factor
Q_TS: 0.41
Maximum linear excursion
x_max: 11.5; mm
Maximum excursion before damage
x_lim: 17.0; mm
Air volume displaced at x_max
V_D: 611; cm³
Power handling
P: 400; W
Program power
P_max: 800; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.4; Ω
Inductance (1kHz)
L_E: 1.38; mH
VC Diameter: 65; mm
Winding height
H_VC: 28; mm
Winding material: Copper Clad Aluminium
Former material: Glass Fiber
Force factor
Bl: 17.1; N/A
Motor constant
Bl/√R_E: 7.36; N/√W
Air gap height
H_AG: 10; mm
Diameter: 193; mm
Height: 25; mm
Material: Ferrite
Effective diameter: 260; mm
Effective area
S_D: 531; cm²
Moving mass
M_MS: 98.8; g
Moving mass (without air load)
M_MD: 90.4; g
Material: Water Resistant Treated Paper
Stiffness
K_MS: 6.49; N/mm
Compliance
C_MS: 154; µm/N
Equivalent volume to the compliance
V_AS: 61.4; L
Mechanical resistance
R_MS: 7.9; N·s/m
Surround material: Rubber
Nominal diameter: 12; ″
: 300; mm
Volume occupied by the driver: 2.9; L
Net weight: 8.7; kg
Frame material: Steel

Datasheet

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LaVoce SSF122.50L

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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