Jensen Smooth BS 8N/250A

Name: BS 8N/250A
Brand: Jensen

Bass Guitar Speaker

8″ / 210 mm

Nominal diameter

59 Hz

Resonance

0.37

Q factor

91 dB

Sensitivity

± 5 mm

Linear excursion

500 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 90.5; dB
Resonance frequency (free air)
f_S: 59.0; Hz
Mechanical quality factor
Q_MS: 6.72
Electrical quality factor
Q_ES: 0.39
Total quality factor
Q_TS: 0.37
Maximum linear excursion
x_max: 5.0; mm
Maximum excursion before damage
x_lim: 8.0; mm
Air volume displaced at x_max
V_D: 107; cm³
Power handling
P: 250; W
Program power
P_max: 500; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.5; Ω
Inductance (1kHz)
L_E: 0.8; mH
VC Diameter: 65; mm
Winding height
H_VC: 18; mm
Winding material: Copper
Former material: Glass Fiber
Flux density
B: 1.04; T
Force factor
Bl: 12.85; N/A
Motor constant
Bl/√R_E: 5.48; N/√W
Air gap height
H_AG: 10; mm
Weight: 0.22; kg
Material: Neodymium
Effective diameter: 165; mm
Effective area
S_D: 214; cm²
Moving mass
M_MS: 32; g
Moving mass (without air load)
M_MD: 29.7; g
Material: Paper
Stiffness
K_MS: 4.35; N/mm
Compliance
C_MS: 230; µm/N
Equivalent volume to the compliance
V_AS: 14.9; L
Mechanical resistance
R_MS: 1.77; N·s/m
Surround material: Treated Cloth
Nominal diameter: 8; ″
: 210; mm
Overall diameter: 210; mm
Volume occupied by the driver (estimated): 0.74; L
Net weight: 1.8; kg
Frame material: Aluminium Die-Cast

Datasheet

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Jensen Smooth BS 8N/250A

Bass Guitar Speaker

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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