Oberton 12B45V

Name: Oberton 12B45V
Brand: Oberton

Subwoofer

12″ / 310 mm

Nominal diameter

48 Hz

Resonance

0.35

Q factor

94 dB

Sensitivity

± 10.5 mm

Linear excursion

900 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 93.9; dB
Frequency response: 40 - 2000; Hz
Resonance frequency (free air)
f_S: 47.9; Hz
Mechanical quality factor
Q_MS: 7.37
Electrical quality factor
Q_ES: 0.37
Total quality factor
Q_TS: 0.35
Maximum linear excursion
x_max: 10.5; mm
Air volume displaced at x_max
V_D: 540; cm³
Power handling
P: 450; W
Program power
P_max: 900; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 4.9; Ω
Inductance (1kHz)
L_E: 0.73; mH
VC Diameter: 77; mm
Winding height
H_VC: 25; mm
Winding material: Aluminium
Former material: Glass fiber
Flux density
B: 1.24; T
Force factor
Bl: 16.65; N/A
Motor constant
Bl/√R_E: 7.52; N/√W
Air gap height
H_AG: 8; mm
Material: Ferrite
Effective diameter: 256; mm
Effective area
S_D: 515; cm²
Moving mass
M_MS: 69.9; g
Moving mass (without air load)
M_MD: 61.4; g
Material: Paper with Kevlar fibers
Stiffness
K_MS: 6.32; N/mm
Compliance
C_MS: 158; µm/N
Equivalent volume to the compliance
V_AS: 58.5; L
Mechanical resistance
R_MS: 2.85; N·s/m
Nominal diameter: 12; ″
: 310; mm
Overall diameter: 315; mm
Baffle cutout diameter: 280; mm
Overall depth: 158; mm
Volume occupied by the driver (estimated): 3.3; L
Net weight: 7.65; kg
Frame material: Die cast aluminium

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Oberton 12B45V

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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