P.Audio GST-181500 v3

Name: GST-181500 v3
Brand: P.Audio

Low frequency

18″ / 457 mm

Nominal diameter

40 Hz

Resonance

0.6

Q factor

93 dB

Sensitivity

± 9 mm

Linear excursion

2800 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 92.9; dB
Frequency response: 40 - 800; Hz
Resonance frequency (free air)
f_S: 40.0; Hz
Mechanical quality factor
Q_MS: 11.95
Electrical quality factor
Q_ES: 0.63
Total quality factor
Q_TS: 0.60
Maximum linear excursion
x_max: 9.0; mm
Air volume displaced at x_max
V_D: 1103; cm³
Power handling
P: 1400; W
Program power
P_max: 2800; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.6; Ω
Inductance (1kHz)
L_E: 1.26; mH
VC Diameter: 126; mm
Winding height
H_VC: 32; mm
Winding material: Copper
Former material: Glass fiber
Flux density
B: 1.2; T
Force factor
Bl: 26.77; N/A
Motor constant
Bl/√R_E: 11.3; N/√W
Air gap height
H_AG: 14; mm
Material: Ferrite
Effective diameter: 397; mm
Effective area
S_D: 1225; cm²
Moving mass
M_MS: 288.9; g
Moving mass (without air load)
M_MD: 258.8; g
Material: Waterproof Paper
Stiffness
K_MS: 23.26; N/mm
Compliance
C_MS: 43; µm/N
Equivalent volume to the compliance
V_AS: 92.2; L
Mechanical resistance
R_MS: 6.08; N·s/m
Surround material: Cloth
Spider material: Cotton (Double Silicone)
Nominal diameter: 18; ″
: 457; mm
Overall diameter: 467; mm
Baffle cutout diameter: 425; mm
Overall depth: 252; mm
Flange thickness: 20; mm
Mounting depth: 232; mm
Volume occupied by the driver (estimated): 12.0; L
Net weight: 24.8; kg
Frame material: Aluminium

Datasheet

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P.Audio GST-181500 v3

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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