Jensen Punch BP 15/250

Name: BP 15/250
Brand: Jensen

Bass Guitar Speaker

15″ / 385 mm

Nominal diameter

47 Hz

Resonance

0.51

Q factor

95 dB

Sensitivity

± 3.4 mm

Linear excursion

500 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 94.9; dB
Resonance frequency (free air)
f_S: 47.0; Hz
Mechanical quality factor
Q_MS: 4.26
Electrical quality factor
Q_ES: 0.58
Total quality factor
Q_TS: 0.51
Maximum linear excursion
x_max: 3.4; mm
Maximum excursion before damage
x_lim: 7.0; mm
Air volume displaced at x_max
V_D: 257; cm³
Power handling
P: 250; W
Program power
P_max: 500; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.6; Ω
Inductance (1kHz)
L_E: 1.07; mH
VC Diameter: 65; mm
Winding height
H_VC: 13; mm
Winding material: Copper
Former material: Aluminum
Flux density
B: 1.15; T
Force factor
Bl: 15.31; N/A
Motor constant
Bl/√R_E: 5.96; N/√W
Air gap height
H_AG: 8; mm
Weight: 1.45; kg
Material: Ferrite
Effective diameter: 310; mm
Effective area
S_D: 755; cm²
Moving mass
M_MS: 69.7; g
Moving mass (without air load)
M_MD: 54.6; g
Material: Paper
Stiffness
K_MS: 6.1; N/mm
Compliance
C_MS: 164; µm/N
Equivalent volume to the compliance
V_AS: 133; L
Mechanical resistance
R_MS: 4.83; N·s/m
Surround material: Treated Cloth
Nominal diameter: 15; ″
: 385; mm
Overall diameter: 385; mm
Volume occupied by the driver (estimated): 2.4; L
Net weight: 5.4; kg
Frame material: Pressed Sheet

Datasheet

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Jensen Punch BP 15/250

Bass Guitar Speaker

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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