B&C Speaker 12FW76

Name: 12FW76
Brand: B&C Speaker

4Ω

8Ω

Mid Bass

12″ / 320 mm

Nominal diameter

54 Hz

Resonance

0.18

Q factor

97 dB

Sensitivity

± 7 mm

Linear excursion

1000 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 97.3; dB
Frequency response: 55 - 3000; Hz
Resonance frequency (free air)
f_S: 54.0; Hz
Mechanical quality factor
Q_MS: 4.20
Electrical quality factor
Q_ES: 0.17
Total quality factor
Q_TS: 0.18
Maximum linear excursion
x_max: 7.0; mm
Air volume displaced at x_max
V_D: 365; cm³
Power handling
P: 500; W
Program power
P_max: 1000; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 3.1; Ω
Inductance (1kHz)
L_E: 1.0; mH
VC Diameter: 76; mm
Winding height
H_VC: 19; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.35; T
Force factor
Bl: 20.4; N/A
Motor constant
Bl/√R_E: 11.6; N/√W
Air gap height
H_AG: 11; mm
Material: Ferrite
Effective diameter: 258; mm
Effective area
S_D: 522; cm²
Moving mass
M_MS: 69.5; g
Moving mass (without air load)
M_MD: 60.9; g
Material: Waterproof Front Side
Stiffness
K_MS: 7.75; N/mm
Compliance
C_MS: 129; µm/N
Equivalent volume to the compliance
V_AS: 48.5; L
Mechanical resistance
R_MS: 5.61; N·s/m
Nominal diameter: 12; ″
: 320; mm
Overall diameter: 315; mm
Baffle cutout diameter: 283; mm
Overall depth: 147; mm
Flange thickness: 12; mm
Mounting depth: 135; mm
Volume occupied by the driver: 3.0; L
Net weight: 8.55; kg

Datasheet

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B&C Speaker 12FW76

Mid Bass

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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