B&C Speaker 8CXN51

Name: 8CXN51
Brand: B&C Speaker

Coaxial

8″ / 210 mm

Nominal diameter

68 Hz

Resonance

0.27

Q factor

94 dB

Sensitivity

± 6 mm

Linear excursion

500 W

Program Power

Parts Express
: $$$
Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 94.0; dB
Frequency response: 70 - 18000; Hz
Resonance frequency (free air)
f_S: 68.0; Hz
Mechanical quality factor
Q_MS: 4.70
Electrical quality factor
Q_ES: 0.29
Total quality factor
Q_TS: 0.27
Maximum linear excursion
x_max: 6.0; mm
Air volume displaced at x_max
V_D: 132; cm³
Power handling
P: 250; W
Program power
P_max: 500; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 4.9; Ω
Inductance (1kHz)
L_E: 0.9; mH
VC Diameter: 51; mm
Winding height
H_VC: 17; mm
Winding material: Aluminium
Former material: Glass Fibre
Flux density
B: 1.15; T
Force factor
Bl: 12.6; N/A
Motor constant
Bl/√R_E: 5.69; N/√W
Air gap height
H_AG: 8; mm
Material: Neodymium Ring
Effective diameter: 167; mm
Effective area
S_D: 220; cm²
Moving mass
M_MS: 22; g
Moving mass (without air load)
M_MD: 19.5; g
Material: Waterproof Front Side
Stiffness
K_MS: 4.02; N/mm
Compliance
C_MS: 249; µm/N
Equivalent volume to the compliance
V_AS: 17; L
Mechanical resistance
R_MS: 2.0; N·s/m
Nominal diameter: 8; ″
: 210; mm
Overall diameter: 225; mm
Baffle cutout diameter: 187; mm
Overall depth: 111; mm
Flange thickness: 10; mm
Mounting depth: 101; mm
Volume occupied by the driver (estimated): 1.1; L
Net weight: 2.6; kg

Datasheet

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B&C Speaker 8CXN51

Coaxial

Available on (affiliate link)

Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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