Oberton 12B450

Name: 12B450
Brand: Oberton

Subwoofer

12″ / 315 mm

Nominal diameter

46 Hz

Resonance

0.24

Q factor

96 dB

Sensitivity

± 7.75 mm

Linear excursion

900 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 96.0; dB
Frequency response: 50 - 3000; Hz
Resonance frequency (free air)
f_S: 46.3; Hz
Mechanical quality factor
Q_MS: 9.56
Electrical quality factor
Q_ES: 0.24
Total quality factor
Q_TS: 0.24
Maximum linear excursion
x_max: 7.75; mm
Air volume displaced at x_max
V_D: 399; cm³
Power handling
P: 450; W
Program power
P_max: 900; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.1; Ω
Inductance (1kHz)
L_E: 1.1; mH
VC Diameter: 77; mm
Winding height
H_VC: 21; mm
Winding material: Aluminium
Former material: Kapton
Flux density
B: 1.2; T
Force factor
Bl: 19.31; N/A
Motor constant
Bl/√R_E: 8.58; N/√W
Air gap height
H_AG: 11; mm
Material: Ferrite
Effective diameter: 256; mm
Effective area
S_D: 515; cm²
Moving mass
M_MS: 61; g
Moving mass (without air load)
M_MD: 52.5; g
Material: Paper
Stiffness
K_MS: 5.16; N/mm
Compliance
C_MS: 194; µm/N
Equivalent volume to the compliance
V_AS: 71.8; L
Mechanical resistance
R_MS: 1.85; N·s/m
Nominal diameter: 12; ″
: 315; mm
Overall diameter: 315; mm
Baffle cutout diameter: 280; mm
Overall depth: 153; mm
Volume occupied by the driver (estimated): 3.2; L
Net weight: 7.5; kg
Frame material: Die cast aluminium

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Oberton 12B450

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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