12″ / 305 mm
Nominal diameter
27 Hz
Resonance
0.23
Q factor
93 dB
Sensitivity
± 14 mm
Linear excursion
1000 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
92.6
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
26.7
Hz
Mechanical quality factor
QMS
3.72
Electrical quality factor
QES
0.25
Total quality factor
QTS
0.23
Large signal parameters
Maximum linear excursion
xmax
14.0
mm
Maximum excursion before damage
xlim
18.0
mm
Air volume displaced at xmax
VD
742
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz)
LE
0.3
mH
Magnet
Force factor
Bl
14.4
N/A
Motor constant
Bl/√RE
7.7
N/√W
Diaphragm
Effective diameter
260
mm
Effective area
SD
530
cm²
Moving mass
MMS
88.6
g
Moving mass (without air load)
MMD
80.1
g
Suspensions
Stiffness
KMS
2.5
N/mm
Compliance
CMS
400
µm/N
Equivalent volume to the compliance
VAS
160
L
Mechanical resistance
RMS
4.0
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Volume occupied by the driver (estimated)
2.4
L
Similar subwoofers to Acoustic Elegance TD12H-4
12″Subwoofer
fS
27 Hz
SD
530 cm²
QTS
0.23
xmax
14.0 mm
SPL1W
93 dB
Bl/√RE
7.73
Pmax
1000 W
13″Woofer
fS
24 Hz
SD
526 cm²
QTS
0.21
xmax
7.0 mm
SPL1W
92 dB
Bl/√RE
7.95
Pmax
700 W
12″Woofer
fS
28 Hz
SD
533 cm²
30 - 1500 Hz
QTS
0.21
xmax
9.3 mm
SPL1W
93 dB
Bl/√RE
8.42
Pmax
800 W