Jensen Smooth BS 12N/250A

Name: BS 12N/250A
Brand: Jensen

Bass Guitar Speaker

12″ / 320 mm

Nominal diameter

47 Hz

Resonance

0.43

Q factor

94 dB

Sensitivity

± 5.5 mm

Linear excursion

500 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 94.0; dB
Resonance frequency (free air)
f_S: 47.0; Hz
Mechanical quality factor
Q_MS: 12.58
Electrical quality factor
Q_ES: 0.45
Total quality factor
Q_TS: 0.43
Maximum linear excursion
x_max: 5.5; mm
Maximum excursion before damage
x_lim: 8.9; mm
Air volume displaced at x_max
V_D: 292; 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: 1.0; mH
VC Diameter: 65; mm
Winding height
H_VC: 18; mm
Winding material: Copper
Former material: Glass Fiber
Flux density
B: 1.14; T
Force factor
Bl: 14.37; N/A
Motor constant
Bl/√R_E: 6.13; N/√W
Air gap height
H_AG: 10; mm
Weight: 0.22; kg
Material: Neodymium
Effective diameter: 260; mm
Effective area
S_D: 531; cm²
Moving mass
M_MS: 56.7; g
Moving mass (without air load)
M_MD: 47.8; g
Material: Paper
Stiffness
K_MS: 5.0; N/mm
Compliance
C_MS: 200; µm/N
Equivalent volume to the compliance
V_AS: 81.3; L
Mechanical resistance
R_MS: 1.33; N·s/m
Surround material: Treated Cloth
Nominal diameter: 12; ″
: 320; mm
Overall diameter: 320; mm
Volume occupied by the driver (estimated): 1.0; L
Net weight: 2.5; kg
Frame material: Aluminium Die-Cast

Datasheet

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Jensen Smooth BS 12N/250A

Bass Guitar Speaker

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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