B&C Speaker 8PE21

Name: B&C Speaker 8PE21
Brand: B&C Speaker

Mid-range

8″ / 200 mm

Nominal diameter

87 Hz

Resonance

0.19

Q factor

98 dB

Sensitivity

± 2.5 mm

Linear excursion

400 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 97.8; dB
Frequency response: 90 - 5000; Hz
Resonance frequency (free air)
f_S: 87.0; Hz
Mechanical quality factor
Q_MS: 3.80
Electrical quality factor
Q_ES: 0.20
Total quality factor
Q_TS: 0.19
Maximum linear excursion
x_max: 2.5; mm
Air volume displaced at x_max
V_D: 55; cm³
Power handling
P: 200; W
Program power
P_max: 400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.6; Ω
Inductance (1kHz)
L_E: 0.5; mH
VC Diameter: 51; mm
Winding height
H_VC: 9; mm
Winding material: Copper
Former material: Kapton
Flux density
B: 1.25; T
Force factor
Bl: 16.6; N/A
Motor constant
Bl/√R_E: 7.01; 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: 18; g
Moving mass (without air load)
M_MD: 15.5; g
Stiffness
K_MS: 5.38; N/mm
Compliance
C_MS: 186; µm/N
Equivalent volume to the compliance
V_AS: 13; L
Mechanical resistance
R_MS: 2.59; 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: 4.25; kg

Datasheet

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B&C Speaker 8PE21

Mid-range

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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