B&C Speaker 12NDL88

Name: 12NDL88
Brand: B&C Speaker

4Ω

8Ω 16Ω

Woofer

12″ / 320 mm

Nominal diameter

48 Hz

Resonance

0.24

Q factor

95 dB

Sensitivity

± 8 mm

Linear excursion

1400 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.3; dB
Frequency response: 50 - 3000; Hz
Resonance frequency (free air)
f_S: 48.0; Hz
Mechanical quality factor
Q_MS: 6.80
Electrical quality factor
Q_ES: 0.25
Total quality factor
Q_TS: 0.24
Maximum linear excursion
x_max: 8.0; mm
Air volume displaced at x_max
V_D: 418; cm³
Power handling
P: 700; W
Program power
P_max: 1400; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 3.1; Ω
Inductance (1kHz)
L_E: 0.9; mH
VC Diameter: 88; mm
Winding height
H_VC: 21.5; mm
Winding material: Aluminium
Former material: Glass Fibre
Flux density
B: 1.05; T
Force factor
Bl: 16.6; N/A
Motor constant
Bl/√R_E: 9.43; 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: 73.6; g
Moving mass (without air load)
M_MD: 65; g
Material: Waterproof Front Side
Stiffness
K_MS: 6.71; N/mm
Compliance
C_MS: 149; µm/N
Equivalent volume to the compliance
V_AS: 57; L
Mechanical resistance
R_MS: 3.26; N·s/m
Spider material: Silicone
Nominal diameter: 12; ″
: 320; mm
Overall diameter: 315; mm
Baffle cutout diameter: 282; mm
Overall depth: 140; mm
Flange thickness: 13; mm
Mounting depth: 127; mm
Volume occupied by the driver: 2.5; L
Net weight: 4.95; kg

Datasheet

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B&C Speaker 12NDL88

Woofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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