B&C Speaker 12BG76

Name: 12BG76
Brand: B&C Speaker

Subwoofer

12″ / 320 mm

Nominal diameter

44 Hz

Resonance

0.41

Q factor

90 dB

Sensitivity

± 9.5 mm

Linear excursion

1000 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 90.0; dB
Frequency response: 45 - 1000; Hz
Resonance frequency (free air)
f_S: 44.0; Hz
Mechanical quality factor
Q_MS: 5.90
Electrical quality factor
Q_ES: 0.44
Total quality factor
Q_TS: 0.41
Maximum linear excursion
x_max: 9.5; mm
Air volume displaced at x_max
V_D: 496; cm³
Power handling
P: 500; W
Program power
P_max: 1000; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.4; Ω
Inductance (1kHz)
L_E: 1.1; mH
VC Diameter: 76; mm
Winding height
H_VC: 25; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.25; T
Force factor
Bl: 22.7; N/A
Motor constant
Bl/√R_E: 9.77; N/√W
Air gap height
H_AG: 11.5; mm
Material: Neodymium Ring
Effective diameter: 258; mm
Effective area
S_D: 522; cm²
Moving mass
M_MS: 148; g
Moving mass (without air load)
M_MD: 139.4; g
Material: Waterproof Both Sides
Stiffness
K_MS: 11.63; N/mm
Compliance
C_MS: 86; µm/N
Equivalent volume to the compliance
V_AS: 32; L
Mechanical resistance
R_MS: 6.93; N·s/m
Spider material: Silicone
Nominal diameter: 12; ″
: 320; mm
Overall diameter: 315; mm
Baffle cutout diameter: 284; mm
Overall depth: 161; mm
Flange thickness: 21; mm
Mounting depth: 140; mm
Volume occupied by the driver: 2.0; L
Net weight: 5.3; kg

Datasheet

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B&C Speaker 12BG76

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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