RCF LF15N401

Subwoofer

15″ / 381 mm
Nominal diameter
34 Hz
Resonance
0.22
Q factor
96 dB
Sensitivity
± 9 mm
Linear excursion
1800 W
Program Power
RCF LF15N401 SubwooferRCF LF15N401 SubwooferRCF LF15N401 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
95.6
dB
Frequency response
35 - 1500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
34.0
Hz
Mechanical quality factor
QMS
5.80
Electrical quality factor
QES
0.23
Total quality factor
QTS
0.22

Large signal parameters

Maximum linear excursion
xmax
9.0
mm
Maximum excursion before damage
xlim
26.0
mm
Air volume displaced at xmax
VD
810
cm³
Power handling
P
900
W
Program power
Pmax
1800
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
2.5
mH
VC Diameter
102
mm
Winding height
HVC
25
mm
Winding material
Copper
Former material
Glass Fiber

Magnet

Force factor
Bl
27.8
N/A
Motor constant
Bl/√RE
12.3
N/√W
Air gap height
HAG
15
mm

Diaphragm

Effective diameter
340
mm
Effective area
SD
900
cm²
Moving mass
MMS
158
g
Moving mass (without air load)
MMD
139.4
g

Suspensions

Stiffness
KMS
7.46
N/mm
Compliance
CMS
134
µm/N
Equivalent volume to the compliance
VAS
160
L
Mechanical resistance
RMS
5.82
N·s/m
Spider material
with silicon damping

Dimensions

Nominal diameter
15
″
381
mm
Overall diameter
393
mm
Baffle cutout diameter
354
mm
Overall depth
160
mm
Volume occupied by the driver
3.8
L
Net weight
8.77
kg
Impedance
SPL
RCF LF15N401 Impedance
RCF LF15N401 SPL
RCF LF15N401 Dimensions
DatasheetDatasheet

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