10″ / 250 mm
Nominal diameter
41 Hz
Resonance
0.71
Q factor
87 dB
Sensitivity
± 13.5 mm
Linear excursion
500 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
87.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
41.0
Hz
Mechanical quality factor
QMS
11.00
Electrical quality factor
QES
0.76
Total quality factor
QTS
0.71
Large signal parameters
Maximum linear excursion
xmax
13.5
mm
Maximum excursion before damage
xlim
19.0
mm
Air volume displaced at xmax
VD
465
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
4.5
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
50
mm
Magnet
Force factor
Bl
10.2
N/A
Motor constant
Bl/√RE
4.81
N/√W
Diaphragm
Effective diameter
210
mm
Effective area
SD
344
cm²
Moving mass
MMS
69
g
Moving mass (without air load)
MMD
64.5
g
Suspensions
Stiffness
KMS
4.55
N/mm
Compliance
CMS
220
µm/N
Equivalent volume to the compliance
VAS
37
L
Mechanical resistance
RMS
1.62
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Volume occupied by the driver (estimated)
1.5
L
Similar subwoofers to Hertz HMS 10 B
10″Subwoofer
fS
42 Hz
SD
327 cm²
QTS
0.75
xmax
11.0 mm
SPL1W
87 dB
Bl/√RE
4.42
Pmax
350 W
10″Subwoofer
fS
39 Hz
SD
363 cm²
40 - 500 Hz
QTS
0.57
xmax
8.3 mm
SPL1W
88 dB
Bl/√RE
5.41
Pmax
500 W
12″Subwoofer
fS
40 Hz
SD
506 cm²
QTS
0.58
SPL1W
88 dB
Bl/√RE
7.81
Pmax
900 W