B&C Speaker 12FW64

Name: 12FW64
Brand: B&C Speaker

Mid Bass

12″ / 320 mm

Nominal diameter

55 Hz

Resonance

0.29

Q factor

96 dB

Sensitivity

± 5 mm

Linear excursion

500 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 96.1; dB
Frequency response: 55 - 3000; Hz
Resonance frequency (free air)
f_S: 55.0; Hz
Mechanical quality factor
Q_MS: 3.50
Electrical quality factor
Q_ES: 0.32
Total quality factor
Q_TS: 0.29
Maximum linear excursion
x_max: 5.0; mm
Air volume displaced at x_max
V_D: 261; cm³
Power handling
P: 250; W
Program power
P_max: 500; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.2; Ω
Inductance (1kHz)
L_E: 1.0; mH
VC Diameter: 64; mm
Winding height
H_VC: 14; mm
Winding material: Aluminium
Former material: Glass Fibre
Flux density
B: 1.3; T
Force factor
Bl: 15.5; N/A
Motor constant
Bl/√R_E: 6.8; N/√W
Air gap height
H_AG: 8; mm
Material: Ferrite
Effective diameter: 258; mm
Effective area
S_D: 522; cm²
Moving mass
M_MS: 47; g
Moving mass (without air load)
M_MD: 38.4; g
Material: Waterproof Front Side
Stiffness
K_MS: 5.1; N/mm
Compliance
C_MS: 196; µm/N
Equivalent volume to the compliance
V_AS: 64; L
Mechanical resistance
R_MS: 4.64; N·s/m
Nominal diameter: 12; ″
: 320; mm
Overall diameter: 315; mm
Baffle cutout diameter: 283; mm
Overall depth: 136; mm
Flange thickness: 13; mm
Mounting depth: 123; mm
Volume occupied by the driver: 3.0; L
Net weight: 5.65; kg

Datasheet

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B&C Speaker 12FW64

Mid Bass

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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