12″ / 305 mm
Nominal diameter
48 Hz
Resonance
0.27
Q factor
95 dB
Sensitivity
± 6 mm
Linear excursion
1400 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
95.1
dB
Frequency response
40 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
48.0
Hz
Mechanical quality factor
QMS
7.79
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
12.0
mm
Air volume displaced at xmax
VD
324
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz, estimated)
LE
1.15
mH
VC Diameter
102
mm
Winding height
HVC
16
mm
Former material
Glass Fibre Reinforced Polymer
Magnet
Force factor
Bl
22.1
N/A
Motor constant
Bl/√RE
9.02
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
262
mm
Effective area
SD
540
cm²
Moving mass
MMS
75
g
Moving mass (without air load)
MMD
66.3
g
Suspensions
Stiffness
KMS
6.76
N/mm
Compliance
CMS
148
µm/N
Equivalent volume to the compliance
VAS
61.2
L
Mechanical resistance
RMS
2.9
N·s/m
Surround material
Polycotton
Spider material
Polycotton
Dimensions
Nominal diameter
12
″
305
mm
Volume occupied by the driver (estimated)
2.4
L
Frame material
Injected Aluminum
Similar subwoofers to D.A.S. Audio 12G
12″Woofer
fS
53 Hz
SD
531 cm²
50 - 3000 Hz
QTS
0.30
xmax
5.8 mm
SPL1W
95 dB
Bl/√RE
8.43
Pmax
900 W
12″Subwoofer
fS
45 Hz
SD
531 cm²
45 - 2500 Hz
QTS
0.25
xmax
5.5 mm
SPL1W
96 dB
Bl/√RE
8.63
Pmax
1000 W
12″Subwoofer
fS
47 Hz
SD
515 cm²
50 - 2500 Hz
QTS
0.25
xmax
6.8 mm
SPL1W
96 dB
Bl/√RE
8.52
Pmax
800 W