Eighteen Sound 18LW2600

4Ω
8Ω

Subwoofer

18″ / 462 mm
Nominal diameter
30 Hz
Resonance
0.28
Q factor
94 dB
Sensitivity
± 14 mm
Linear excursion
3000 W
Program Power
Eighteen Sound 18LW2600 SubwooferEighteen Sound 18LW2600 Subwoofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
93.5
dB
Frequency response
30 - 800
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
12.90
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.28

Large signal parameters

Maximum linear excursion
xmax
14.0
mm
Air volume displaced at xmax
VD
1715
cm³
Power handling
P
1500
W
Program power
Pmax
3000
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
2.6
Ω
Inductance (1kHz)
LE
1.79
mH
VC Diameter
100
mm
Winding material
Copper

Magnet

Force factor
Bl
23.4
N/A
Motor constant
Bl/√RE
14.5
N/√W
Material
Ferrite

Diaphragm

Effective diameter
395
mm
Effective area
SD
1225
cm²
Moving mass
MMS
336
g
Moving mass (without air load)
MMD
306.3
g
Material
Weather protected

Suspensions

Stiffness
KMS
11.91
N/mm
Compliance
CMS
84
µm/N
Equivalent volume to the compliance
VAS
186
L
Mechanical resistance
RMS
4.91
N·s/m

Dimensions

Nominal diameter
18
″
462
mm
Overall diameter
462
mm
Baffle cutout diameter
416
mm
Overall depth
231
mm
Flange thickness
23
mm
Mounting depth
208
mm
Volume occupied by the driver (estimated)
8.8
L
Net weight
16.1
kg
Impedance
SPL
Eighteen Sound 18LW2600 Impedance
Eighteen Sound 18LW2600 SPL
Eighteen Sound 18LW2600 Dimensions
DatasheetDatasheet

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