DB Drive G7 15.1

2x1Ω
2x2Ω

Subwoofer

15″ / 381 mm
Nominal diameter
25 Hz
Resonance
0.39
Q factor
84 dB
Sensitivity
± 35 mm
Linear excursion
8000 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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
83.5
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
24.5
Hz
Mechanical quality factor
QMS
2.18
Electrical quality factor
QES
0.47
Total quality factor
QTS
0.39

Large signal parameters

Maximum linear excursion
xmax
35.0
mm
Air volume displaced at xmax
VD
2643
cm³
Power handling
P
4000
W
Program power
Pmax
8000
W

Voice Coil

Nominal impedance
Z
2 x 1
Ω
DC resistance (in series)
RE
1.4
Ω
Inductance (1kHz, in series, estimated)
LE
1.07
mH
VC Diameter
76
mm

Magnet

Force factor (in series)
Bl
17.9
N/A
Motor constant
Bl/√RE
15.1
N/√W
Material
Ferrite

Diaphragm

Effective diameter
310
mm
Effective area
SD
755
cm²
Moving mass
MMS
703.1
g
Moving mass (without air load)
MMD
687.4
g

Suspensions

Stiffness
KMS
16.67
N/mm
Compliance
CMS
60
µm/N
Equivalent volume to the compliance
VAS
48.5
L
Mechanical resistance
RMS
49.63
N·s/m
Surround material
Foam

Dimensions

Nominal diameter
15
381
mm
Overall diameter
402
mm
Baffle cutout diameter
352
mm
Mounting depth
298
mm
Volume occupied by the driver (estimated)
4.9
L
Frame material
Aluminium

Export this driver to a simulation software:

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