FaitalPRO 12RS550 8Ω

Name: FaitalPRO 12RS550 8Ω
Brand: FaitalPRO

Subwoofer

12″ / 300 mm

Nominal diameter

42 Hz

Resonance

0.37

Q factor

91 dB

Sensitivity

± 9.25 mm

Linear excursion

1000 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 91.0; dB
Frequency response: 45 - 2500; Hz
Resonance frequency (free air)
f_S: 42.0; Hz
Mechanical quality factor
Q_MS: 6.90
Electrical quality factor
Q_ES: 0.39
Total quality factor
Q_TS: 0.37
Maximum linear excursion
x_max: 9.25; mm
Maximum excursion before damage
x_lim: 20.0; mm
Air volume displaced at x_max
V_D: 488; cm³
Power handling
P: 500; W
Program power
P_max: 1000; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.1; Ω
Inductance (1kHz)
L_E: 1.5; mH
VC Diameter: 77; mm
Winding height
H_VC: 22; mm
Winding material: Copper
Former material: Glass Fiber
Flux density
B: 1.2; T
Force factor
Bl: 20.5; N/A
Motor constant
Bl/√R_E: 9.08; N/√W
Air gap height
H_AG: 10.5; mm
Material: Ferrite Ring
Effective diameter: 259; mm
Effective area
S_D: 528; cm²
Moving mass
M_MS: 123; g
Moving mass (without air load)
M_MD: 114.3; g
Stiffness
K_MS: 8.33; N/mm
Compliance
C_MS: 120; µm/N
Equivalent volume to the compliance
V_AS: 45.4; L
Mechanical resistance
R_MS: 4.7; N·s/m
Nominal diameter: 12; ″
: 300; mm
Overall diameter: 316; mm
Baffle cutout diameter: 282; mm
Overall depth: 145; mm
Flange thickness: 17; mm
Mounting depth: 128; mm
Volume occupied by the driver: 2.9; L
Net weight: 8.1; kg
Frame material: Aluminium

Datasheet

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FaitalPRO 12RS550 8Ω

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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