D.A.S. Audio 15G

Low frequency

15″ / 381 mm
Nominal diameter
35 Hz
Resonance
0.26
Q factor
96 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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
96.4
dB
Frequency response
40 - 2500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
6.66
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.26

Large signal parameters

Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
12.0
mm
Air volume displaced at xmax
VD
516
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
1.36
mH
VC Diameter
102
mm
Winding height
HVC
16
mm
Winding material
Copper
Former material
Glass Fibre Reinforced Polymer

Magnet

Force factor
Bl
21.7
N/A
Motor constant
Bl/√RE
8.86
N/√W
Air gap height
HAG
8
mm
Material
Ferrite

Diaphragm

Effective diameter
331
mm
Effective area
SD
860
cm²
Moving mass
MMS
98
g
Moving mass (without air load)
MMD
80.8
g

Suspensions

Stiffness
KMS
4.67
N/mm
Compliance
CMS
214
µm/N
Equivalent volume to the compliance
VAS
225
L
Mechanical resistance
RMS
3.24
N·s/m
Surround material
Polycotton
Spider material
Polycotton

Dimensions

Nominal diameter
15
381
mm
Baffle cutout diameter
359
mm
Volume occupied by the driver (estimated)
4.3
L
Frame material
Injected Aluminum
D.A.S. Audio 15G Impedance
D.A.S. Audio 15G SPL
D.A.S. Audio 15G Distortion

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