B&C Speaker 8CL51

Name: 8CL51
Brand: B&C Speaker

8Ω

16Ω

Woofer

8″ / 200 mm

Nominal diameter

69 Hz

Resonance

0.41

Q factor

91 dB

Sensitivity

± 6.5 mm

Linear excursion

400 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 91.3; dB
Frequency response: 70 - 5000; Hz
Resonance frequency (free air)
f_S: 69.0; Hz
Mechanical quality factor
Q_MS: 5.60
Electrical quality factor
Q_ES: 0.44
Total quality factor
Q_TS: 0.41
Maximum linear excursion
x_max: 6.5; mm
Air volume displaced at x_max
V_D: 143; cm³
Power handling
P: 200; W
Program power
P_max: 400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.1; Ω
Inductance (1kHz)
L_E: 0.5; mH
VC Diameter: 51; mm
Winding height
H_VC: 17; mm
Winding material: Copper
Former material: Glass Fibre
Flux density
B: 1.15; T
Force factor
Bl: 12.0; N/A
Motor constant
Bl/√R_E: 5.31; N/√W
Air gap height
H_AG: 8; mm
Material: Neodymium Inside Slug
Effective diameter: 167; mm
Effective area
S_D: 220; cm²
Moving mass
M_MS: 29; g
Moving mass (without air load)
M_MD: 26.6; g
Material: Waterproof Front Side
Stiffness
K_MS: 5.38; N/mm
Compliance
C_MS: 186; µm/N
Equivalent volume to the compliance
V_AS: 12.5; L
Mechanical resistance
R_MS: 2.25; N·s/m
Nominal diameter: 8; ″
: 200; mm
Overall diameter: 209; mm
Baffle cutout diameter: 186; mm
Overall depth: 96; mm
Flange thickness: 9; mm
Mounting depth: 87; mm
Volume occupied by the driver: 1.1; L
Net weight: 1.25; kg

Datasheet

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B&C Speaker 8CL51

Woofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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