D.A.S. Audio 18G

Name: 18G
Brand: D.A.S. Audio

Low frequency

18″ / 457 mm

Nominal diameter

32 Hz

Resonance

0.3

Q factor

97 dB

Sensitivity

± 6 mm

Linear excursion

1400 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 96.6; dB
Frequency response: 30 - 2000; Hz
Resonance frequency (free air)
f_S: 32.0; Hz
Mechanical quality factor
Q_MS: 6.41
Electrical quality factor
Q_ES: 0.31
Total quality factor
Q_TS: 0.30
Maximum linear excursion
x_max: 6.0; mm
Maximum excursion before damage
x_lim: 12.0; mm
Air volume displaced at x_max
V_D: 698; cm³
Power handling
P: 700; W
Program power
P_max: 1400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.2; Ω
Inductance (1kHz, estimated)
L_E: 1.75; mH
VC Diameter: 102; mm
Winding height
H_VC: 16; mm
Winding material: Copper
Former material: Glass Fibre Reinforced Polymer
Force factor
Bl: 23.7; N/A
Motor constant
Bl/√R_E: 9.52; N/√W
Air gap height
H_AG: 8; mm
Material: Ferrite
Effective diameter: 385; mm
Effective area
S_D: 1164; cm²
Moving mass
M_MS: 140; g
Moving mass (without air load)
M_MD: 112.1; g
Stiffness
K_MS: 5.62; N/mm
Compliance
C_MS: 178; µm/N
Equivalent volume to the compliance
V_AS: 342; L
Mechanical resistance
R_MS: 4.39; N·s/m
Surround material: Polycotton
Spider material: Polycotton
Nominal diameter: 18; ″
: 457; mm
Baffle cutout diameter: 415; mm
Volume occupied by the driver (estimated): 6.9; L
Frame material: Injected Aluminum

Datasheet

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D.A.S. Audio 18G

Low frequency

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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