B&C Speaker 12NW76

Name: 12NW76
Brand: B&C Speaker

4Ω

8Ω

Woofer

12″ / 320 mm

Nominal diameter

43 Hz

Resonance

0.15

Q factor

96 dB

Sensitivity

± 8 mm

Linear excursion

1000 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 96.2; dB
Frequency response: 40 - 2000; Hz
Resonance frequency (free air)
f_S: 43.0; Hz
Mechanical quality factor
Q_MS: 3.75
Electrical quality factor
Q_ES: 0.15
Total quality factor
Q_TS: 0.15
Maximum linear excursion
x_max: 8.0; mm
Air volume displaced at x_max
V_D: 418; cm³
Power handling
P: 500; W
Program power
P_max: 1000; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 3.4; Ω
Inductance (1kHz)
L_E: 1.1; mH
VC Diameter: 76; mm
Winding height
H_VC: 19; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.3; T
Force factor
Bl: 22.0; N/A
Motor constant
Bl/√R_E: 11.9; N/√W
Air gap height
H_AG: 11; mm
Material: Neodymium Ring
Effective diameter: 258; mm
Effective area
S_D: 522; cm²
Moving mass
M_MS: 82; g
Moving mass (without air load)
M_MD: 73.4; g
Material: Waterproof Both Sides
Stiffness
K_MS: 5.78; N/mm
Compliance
C_MS: 173; µm/N
Equivalent volume to the compliance
V_AS: 64.5; L
Mechanical resistance
R_MS: 5.91; N·s/m
Nominal diameter: 12; ″
: 320; mm
Overall diameter: 315; mm
Baffle cutout diameter: 283; mm
Overall depth: 147; mm
Flange thickness: 14; mm
Mounting depth: 133; mm
Volume occupied by the driver: 2.5; L
Net weight: 4.9; kg

Datasheet

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B&C Speaker 12NW76

Woofer

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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