RCF LN19S400
Subwoofer
19″ / 483 mm
Nominal diameter
32 Hz
Resonance
0.21
Q factor
95 dB
Sensitivity
± 18 mm
Linear excursion
3000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.9
dB
Frequency response
25 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
32.0
Hz
Mechanical quality factor
QMS
4.00
Electrical quality factor
QES
0.22
Total quality factor
QTS
0.21
Large signal parameters
Maximum linear excursion
xmax
18.0
mm
Maximum excursion before damage
xlim
32.5
mm
Air volume displaced at xmax
VD
2376
cm³
Power handling
P
1500
W
Program power
Pmax
3000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
4.7
Ω
Inductance (1kHz)
LE
3.4
mH
VC Diameter
102
mm
Winding height
HVC
42
mm
Winding material
Copper-clad aluminium wire
Magnet
Force factor
Bl
32.0
N/A
Motor constant
Bl/√RE
14.8
N/√W
Air gap height
HAG
16
mm
Diaphragm
Effective diameter
410
mm
Effective area
SD
1320
cm²
Moving mass
MMS
296
g
Moving mass (without air load)
MMD
262.7
g
Suspensions
Stiffness
KMS
9.62
N/mm
Compliance
CMS
104
µm/N
Equivalent volume to the compliance
VAS
204
L
Mechanical resistance
RMS
14.88
N·s/m
Dimensions
Nominal diameter
19
″
483
mm
Overall diameter
480
mm
Baffle cutout diameter
446
mm
Overall depth
232
mm
Volume occupied by the driver
10.0
L
Net weight
10.2
kg
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fS
30 Hz
SD
1255 cm²
30 - 1000 Hz
QTS
0.23
xmax
13.0 mm
SPL1W
95 dB
Bl/√RE
16
Pmax
3200 W
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18″Subwoofer
fS
31 Hz
SD
1200 cm²
30 - 1000 Hz
QTS
0.24
xmax
9.0 mm
SPL1W
95 dB
Bl/√RE
14
Pmax
3000 W