RCF L18P400

Subwoofer

18″ / 457 mm
Nominal diameter
29 Hz
Resonance
0.28
Q factor
95 dB
Sensitivity
± 9 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

Available on (affiliate link)

Amazon.com
$$$

Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
95.1
dB
Frequency response
25 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
29.0
Hz
Mechanical quality factor
QMS
7.60
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.28

Large signal parameters

Maximum linear excursion
xmax
9.0
mm
Maximum excursion before damage
xlim
25.0
mm
Air volume displaced at xmax
VD
1080
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
1.2
mH
VC Diameter
102
mm
Winding height
HVC
25
mm
Winding material
Copper
Former material
Glass Fiber

Magnet

Force factor
Bl
24.6
N/A
Motor constant
Bl/√RE
10.9
N/√W
Air gap height
HAG
15
mm

Diaphragm

Effective diameter
395
mm
Effective area
SD
1200
cm²
Moving mass
MMS
200
g
Moving mass (without air load)
MMD
170.7
g

Suspensions

Stiffness
KMS
6.29
N/mm
Compliance
CMS
159
µm/N
Equivalent volume to the compliance
VAS
340
L
Mechanical resistance
RMS
4.8
N·s/m
Spider material
with silicon damping

Dimensions

Nominal diameter
18
457
mm
Overall diameter
465
mm
Baffle cutout diameter
425
mm
Overall depth
206
mm
Volume occupied by the driver
6.0
L
Net weight
13.5
kg
RCF L18P400 Impedance
RCF L18P400 SPL
RCF L18P400 Dimensions

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar subwoofers to RCF L18P400

BMS 18S450 Subwoofer
18Subwoofer
fS
29 Hz
SD
1213 cm²
20 - 200 Hz
QTS
0.31
xmax
12.0 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
2400 W