B&C Speaker 8PS21

Name: 8PS21
Brand: B&C Speaker

Woofer

8″ / 200 mm

Nominal diameter

73 Hz

Resonance

0.33

Q factor

93 dB

Sensitivity

± 5 mm

Linear excursion

400 W

Program Power

Parts Express
: $$$
Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 93.4; dB
Frequency response: 70 - 3000; Hz
Resonance frequency (free air)
f_S: 73.0; Hz
Mechanical quality factor
Q_MS: 4.20
Electrical quality factor
Q_ES: 0.36
Total quality factor
Q_TS: 0.33
Maximum linear excursion
x_max: 5.0; mm
Air volume displaced at x_max
V_D: 110; 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: 0.5; mH
VC Diameter: 51; mm
Winding height
H_VC: 16; mm
Winding material: Copper
Former material: Kapton
Flux density
B: 1.1; T
Force factor
Bl: 12.6; N/A
Motor constant
Bl/√R_E: 5.42; N/√W
Air gap height
H_AG: 8; mm
Material: Ferrite
Effective diameter: 167; mm
Effective area
S_D: 220; cm²
Moving mass
M_MS: 23; g
Moving mass (without air load)
M_MD: 20.5; g
Stiffness
K_MS: 4.85; N/mm
Compliance
C_MS: 206; µm/N
Equivalent volume to the compliance
V_AS: 14; L
Mechanical resistance
R_MS: 2.51; N·s/m
Nominal diameter: 8; ″
: 200; mm
Overall diameter: 225; mm
Baffle cutout diameter: 187; mm
Overall depth: 91; mm
Flange thickness: 11; mm
Mounting depth: 80; mm
Volume occupied by the driver: 1.2; L
Net weight: 3.3; kg

Datasheet

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B&C Speaker 8PS21

Woofer

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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