B&C Speaker 12NDL76

Name: 12NDL76
Brand: B&C Speaker

4Ω

8Ω

16Ω

Woofer

12″ / 320 mm

Nominal diameter

50 Hz

Resonance

0.2

Q factor

97 dB

Sensitivity

± 7 mm

Linear excursion

800 W

Program Power

Parts Express
: $$$
Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 97.3; dB
Frequency response: 50 - 2000; Hz
Resonance frequency (free air)
f_S: 50.0; Hz
Mechanical quality factor
Q_MS: 4.20
Electrical quality factor
Q_ES: 0.21
Total quality factor
Q_TS: 0.20
Maximum linear excursion
x_max: 7.0; mm
Air volume displaced at x_max
V_D: 365; cm³
Power handling
P: 400; W
Program power
P_max: 800; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.3; Ω
Inductance (1kHz)
L_E: 1.0; mH
VC Diameter: 76; mm
Winding height
H_VC: 19; mm
Winding material: Aluminium
Former material: Glass Fibre
Flux density
B: 1.25; T
Force factor
Bl: 20.1; N/A
Motor constant
Bl/√R_E: 8.73; N/√W
Air gap height
H_AG: 10; mm
Material: Neodymium Inside Slug
Effective diameter: 258; mm
Effective area
S_D: 522; cm²
Moving mass
M_MS: 53; g
Moving mass (without air load)
M_MD: 44.4; g
Stiffness
K_MS: 5.03; N/mm
Compliance
C_MS: 199; µm/N
Equivalent volume to the compliance
V_AS: 73; L
Mechanical resistance
R_MS: 3.96; N·s/m
Nominal diameter: 12; ″
: 320; mm
Overall diameter: 315; mm
Baffle cutout diameter: 283; mm
Overall depth: 141; mm
Flange thickness: 14; mm
Mounting depth: 127; mm
Volume occupied by the driver: 2.5; L
Net weight: 3.9; kg

Datasheet

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B&C Speaker 12NDL76

Woofer

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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