18″ / 460 mm
Nominal diameter
32 Hz
Resonance
0.27
Q factor
96 dB
Sensitivity
± 10 mm
Linear excursion
2800 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.8
dB
Frequency response
25 - 1800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
32.0
Hz
Mechanical quality factor
QMS
10.20
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
10.0
mm
Maximum excursion before damage
xlim
55.0
mm
Air volume displaced at xmax
VD
1255
cm³
Power handling
P
1400
W
Program power
Pmax
2800
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
Magnet
Force factor
Bl
29.0
N/A
Motor constant
Bl/√RE
12.8
N/√W
Air gap height
HAG
12
mm
Diaphragm
Effective diameter
400
mm
Effective area
SD
1255
cm²
Moving mass
MMS
230
g
Moving mass (without air load)
MMD
199.6
g
Suspensions
Stiffness
KMS
9.71
N/mm
Compliance
CMS
103
µm/N
Equivalent volume to the compliance
VAS
229
L
Mechanical resistance
RMS
4.6
N·s/m
Dimensions
Nominal diameter
18
″
460
mm
Overall diameter
461
mm
Baffle cutout diameter
415
mm
Overall depth
207
mm
Volume occupied by the driver (estimated)
8.4
L
Net weight
16.9
kg
Similar subwoofers to Beyma 18PW1400Fe/S
15″Woofer
fS
35 Hz
SD
856 cm²
38 - 1800 Hz
QTS
0.30
xmax
6.7 mm
SPL1W
96 dB
Bl/√RE
8.47
Pmax
1200 W
15″Low frequency
fS
35 Hz
SD
860 cm²
35 - 2000 Hz
QTS
0.29
xmax
6.0 mm
SPL1W
96 dB
Bl/√RE
8.79
Pmax
1200 W
15″Subwoofer
fS
35 Hz
SD
847 cm²
35 - 3150 Hz
QTS
0.31
xmax
9.3 mm
SPL1W
96 dB
Bl/√RE
8.5
Pmax
1000 W