RCF L18P300

Subwoofer

18″ / 457 mm
Nominal diameter
33 Hz
Resonance
0.33
Q factor
95 dB
Sensitivity
± 8 mm
Linear excursion
2000 W
Program Power
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

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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
94.9
dB
Frequency response
35 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
8.30
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.33

Large signal parameters

Maximum linear excursion
xmax
8.0
mm
Maximum excursion before damage
xlim
20.0
mm
Air volume displaced at xmax
VD
880
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
1.8
mH
VC Diameter
102
mm
Winding height
HVC
23
mm
Winding material
Copper
Former material
Glass Fiber

Magnet

Force factor
Bl
23.5
N/A
Motor constant
Bl/√RE
10.5
N/√W
Air gap height
HAG
15
mm

Diaphragm

Effective diameter
380
mm
Effective area
SD
1100
cm²
Moving mass
MMS
180
g
Moving mass (without air load)
MMD
153.6
g

Suspensions

Stiffness
KMS
7.81
N/mm
Compliance
CMS
128
µm/N
Equivalent volume to the compliance
VAS
226
L
Mechanical resistance
RMS
4.5
N·s/m
Spider material
with silicon damping

Dimensions

Nominal diameter
18
457
mm
Overall diameter
460
mm
Baffle cutout diameter
418
mm
Overall depth
202
mm
Volume occupied by the driver
6.5
L
Net weight
13.0
kg
RCF L18P300 Impedance
RCF L18P300 SPL
RCF L18P300 Dimensions

Export this driver to a simulation software:

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