Cerwin Vega ST154D

2x4Ω

Subwoofer

15″ / 390 mm

Nominal diameter

25 Hz

Resonance

0.3

Q factor

89 dB

Sensitivity

± 16.4 mm

Linear excursion

2400 W

Program Power

Cerwin Vega ST154D Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 89.0; dB
Resonance frequency (free air)
f_S: 24.8; Hz
Mechanical quality factor
Q_MS: 2.80
Electrical quality factor
Q_ES: 0.34
Total quality factor
Q_TS: 0.30
Maximum linear excursion
x_max: 16.4; mm
Air volume displaced at x_max
V_D: 1328; cm³
Power handling
P: 1200; W
Program power
P_max: 2400; W
Nominal impedance
Z: 2 x 4; Ω
DC resistance (in series)
R_E: 6.5; Ω
Inductance (1kHz, in series, estimated)
L_E: 3.0; mH
Force factor (in series)
Bl: 30.4; N/A
Motor constant
Bl/√R_E: 11.9; N/√W
Diameter: 215; mm
Effective diameter: 321; mm
Effective area
S_D: 810; cm²
Moving mass
M_MS: 310; g
Moving mass (without air load)
M_MD: 293.5; g
Stiffness
K_MS: 7.52; N/mm
Compliance
C_MS: 133; µm/N
Equivalent volume to the compliance
V_AS: 123; L
Mechanical resistance
R_MS: 17.25; N·s/m
Nominal diameter: 15; ″
: 390; mm
Overall diameter: 390; mm
Baffle cutout diameter: 357; mm
Mounting depth: 241; mm
Volume occupied by the driver: 5.4; L

Cerwin Vega ST154D Dimensions

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f_S: 24 Hz
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