RCF LN19S450
Subwoofer
19″ / 483 mm
Nominal diameter
29 Hz
Resonance
0.25
Q factor
95 dB
Sensitivity
± 18 mm
Linear excursion
3400 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
29.0
Hz
Mechanical quality factor
QMS
4.00
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.25
Large signal parameters
Maximum linear excursion
xmax
18.0
mm
Maximum excursion before damage
xlim
33.5
mm
Air volume displaced at xmax
VD
2376
cm³
Power handling
P
1700
W
Program power
Pmax
3400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
4.7
Ω
Inductance (1kHz)
LE
4.4
mH
VC Diameter
114
mm
Winding height
HVC
42
mm
Winding material
Copper-clad aluminium wire
Magnet
Force factor
Bl
38.0
N/A
Motor constant
Bl/√RE
17.5
N/√W
Air gap height
HAG
16
mm
Diaphragm
Effective diameter
410
mm
Effective area
SD
1320
cm²
Moving mass
MMS
355
g
Moving mass (without air load)
MMD
321.7
g
Suspensions
Stiffness
KMS
15.15
N/mm
Compliance
CMS
66
µm/N
Equivalent volume to the compliance
VAS
145
L
Mechanical resistance
RMS
16.17
N·s/m
Dimensions
Nominal diameter
19
″
483
mm
Overall diameter
480
mm
Baffle cutout diameter
446
mm
Overall depth
254
mm
Volume occupied by the driver
11.0
L
Net weight
12.7
kg
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SpeakerbenchSimilar subwoofers to RCF LN19S450
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fS
36 Hz
SD
1225 cm²
30 - 1000 Hz
QTS
0.27
xmax
15.5 mm
SPL1W
95 dB
Bl/√RE
16
Pmax
3400 W
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18″Subwoofer
fS
30 Hz
SD
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30 - 1000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
16
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18″Low frequency
fS
35 Hz
SD
1134 cm²
30 - 1000 Hz
QTS
0.29
xmax
15.0 mm
SPL1W
94 dB
Bl/√RE
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3600 W