BMS 8CN552

Name: 8CN552
Brand: BMS

Coaxial

8″ / 205 mm

Nominal diameter

88 Hz

Resonance

0.29

Q factor

96 dB

Sensitivity

± 4 mm

Linear excursion

400 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 96.0; dB
Frequency response: 70 - 3000; Hz
Resonance frequency (free air)
f_S: 87.6; Hz
Mechanical quality factor
Q_MS: 5.28
Electrical quality factor
Q_ES: 0.30
Total quality factor
Q_TS: 0.29
Maximum linear excursion
x_max: 4.0; mm
Air volume displaced at x_max
V_D: 80; cm³
Power handling
P: 200; W
Program power
P_max: 400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.4; Ω
Inductance (1kHz)
L_E: 0.18; mH
VC Diameter: 52; mm
Winding height
H_VC: 15; mm
Winding material: Copper
Former material: Kapton
Flux density
B: 2.0; T
Force factor
Bl: 13.44; N/A
Motor constant
Bl/√R_E: 5.78; N/√W
Air gap height
H_AG: 7; mm
Material: Neodymium
Effective diameter: 160; mm
Effective area
S_D: 200; cm²
Moving mass
M_MS: 18.3; g
Moving mass (without air load)
M_MD: 16.2; g
Material: Polyester
Stiffness
K_MS: 5.56; N/mm
Compliance
C_MS: 180; µm/N
Equivalent volume to the compliance
V_AS: 10.1; L
Mechanical resistance
R_MS: 1.91; N·s/m
Nominal diameter: 8; ″
: 205; mm
Overall diameter: 205; mm
Baffle cutout diameter: 182; mm
Overall depth: 115; mm
Volume occupied by the driver (estimated): 0.91; L
Net weight: 2.15; kg
Frame material: Cast Aluminum

Datasheet

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BMS 8CN552

Coaxial

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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