P.Audio GM12-88F

Name: GM12-88F
Brand: P.Audio

Low frequency

12″ / 305 mm

Nominal diameter

56 Hz

Resonance

0.42

Q factor

94 dB

Sensitivity

± 1.05 mm

Linear excursion

1400 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 94.3; dB
Frequency response: 60 - 2500; Hz
Resonance frequency (free air)
f_S: 56.0; Hz
Mechanical quality factor
Q_MS: 7.36
Electrical quality factor
Q_ES: 0.44
Total quality factor
Q_TS: 0.42
Maximum linear excursion
x_max: 1.05; mm
Air volume displaced at x_max
V_D: 56; cm³
Power handling
P: 700; W
Program power
P_max: 1400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.7; Ω
Inductance (1kHz)
L_E: 0.58; mH
VC Diameter: 89; mm
Winding height
H_VC: 12.1; mm
Winding material: AL-W
Former material: Glass fiber
Flux density
B: 1.1; T
Force factor
Bl: 17.75; N/A
Motor constant
Bl/√R_E: 7.43; N/√W
Air gap height
H_AG: 10; mm
Material: Ferrite
Effective diameter: 260; mm
Effective area
S_D: 531; cm²
Moving mass
M_MS: 69.3; g
Moving mass (without air load)
M_MD: 60.6; g
Material: Waterproof Paper
Stiffness
K_MS: 8.77; N/mm
Compliance
C_MS: 114; µm/N
Equivalent volume to the compliance
V_AS: 45.5; L
Mechanical resistance
R_MS: 3.31; N·s/m
Surround material: Cloth
Spider material: Cotton (Silicone Impregnated)
Nominal diameter: 12; ″
: 305; mm
Overall diameter: 314; mm
Baffle cutout diameter: 283; mm
Overall depth: 146; mm
Flange thickness: 17; mm
Mounting depth: 129; mm
Volume occupied by the driver (estimated): 3.6; L
Net weight: 9.2; kg
Frame material: Aluminium

Datasheet

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P.Audio GM12-88F

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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