18″ / 460 mm
Nominal diameter
27 Hz
Resonance
0.38
Q factor
93 dB
Sensitivity
± 12.5 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.2
dB
Frequency response
30 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
27.0
Hz
Mechanical quality factor
QMS
8.20
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
12.5
mm
Maximum excursion before damage
xlim
27.5
mm
Air volume displaced at xmax
VD
1569
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
2.0
mH
VC Diameter
102
mm
Winding height
HVC
30
mm
Magnet
Force factor
Bl
25.0
N/A
Motor constant
Bl/√RE
10.2
N/√W
Air gap height
HAG
12
mm
Diaphragm
Effective diameter
400
mm
Effective area
SD
1255
cm²
Moving mass
MMS
245
g
Moving mass (without air load)
MMD
214.6
g
Suspensions
Stiffness
KMS
7.04
N/mm
Compliance
CMS
142
µm/N
Equivalent volume to the compliance
VAS
317
L
Mechanical resistance
RMS
5.1
N·s/m
Dimensions
Nominal diameter
18
″
460
mm
Overall depth
215
mm
Volume occupied by the driver (estimated)
6.7
L
Net weight
13.6
kg
Similar subwoofers to Beyma 18PWB1000Fe
18″Subwoofer
fS
27 Hz
SD
1255 cm²
30 - 2000 Hz
QTS
0.38
xmax
12.5 mm
SPL1W
93 dB
Bl/√RE
10
Pmax
2000 W
18″Subwoofer
fS
30 Hz
SD
1210 cm²
30 - 1000 Hz
QTS
0.40
xmax
7.0 mm
SPL1W
93 dB
Bl/√RE
10
Pmax
1400 W
21″Subwoofer
fS
27 Hz
SD
1660 cm²
35 - 1400 Hz
QTS
0.33
xmax
14.6 mm
SPL1W
94 dB
Bl/√RE
14
Pmax
3200 W