B&C Speaker 8NW51

Name: B&C Speaker 8NW51
Brand: B&C Speaker

4Ω

8Ω 16Ω

Mid Bass

8″ / 200 mm

Nominal diameter

76 Hz

Resonance

0.25

Q factor

95 dB

Sensitivity

± 6 mm

Linear excursion

400 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 94.5; dB
Frequency response: 70 - 3000; Hz
Resonance frequency (free air)
f_S: 76.0; Hz
Mechanical quality factor
Q_MS: 5.30
Electrical quality factor
Q_ES: 0.26
Total quality factor
Q_TS: 0.25
Maximum linear excursion
x_max: 6.0; mm
Air volume displaced at x_max
V_D: 132; cm³
Power handling
P: 200; W
Program power
P_max: 400; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 2.5; Ω
Inductance (1kHz)
L_E: 0.2; mH
VC Diameter: 51; mm
Winding height
H_VC: 16; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.3; T
Force factor
Bl: 11.2; N/A
Motor constant
Bl/√R_E: 7.08; N/√W
Air gap height
H_AG: 10; mm
Material: Neodymium Ring
Effective diameter: 167; mm
Effective area
S_D: 220; cm²
Moving mass
M_MS: 27; g
Moving mass (without air load)
M_MD: 24.5; g
Material: Waterproof Both Sides
Stiffness
K_MS: 6.21; N/mm
Compliance
C_MS: 161; µm/N
Equivalent volume to the compliance
V_AS: 10.6; L
Mechanical resistance
R_MS: 2.43; N·s/m
Nominal diameter: 8; ″
: 200; mm
Overall diameter: 225; mm
Baffle cutout diameter: 187; mm
Overall depth: 100; mm
Flange thickness: 11; mm
Mounting depth: 89; mm
Volume occupied by the driver: 1.1; L
Net weight: 3.05; kg

Datasheet

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B&C Speaker 8NW51

Mid Bass

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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