D.A.S. Audio 15SX

Low frequency

15″ / 381 mm
Nominal diameter
35 Hz
Resonance
0.35
Q factor
94 dB
Sensitivity
± 8 mm
Linear excursion
1600 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
93.7
dB
Frequency response
35 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
34.5
Hz
Mechanical quality factor
QMS
12.71
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.35

Large signal parameters

Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
718
cm³
Power handling
P
800
W
Program power
Pmax
1600
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz)
LE
2.05
mH
VC Diameter
102
mm
Winding material
Copper

Magnet

Force factor
Bl
23.82
N/A
Motor constant
Bl/√RE
9.64
N/√W
Material
Ferrite

Diaphragm

Effective diameter
338
mm
Effective area
SD
897
cm²
Moving mass
MMS
157.5
g
Moving mass (without air load)
MMD
139.5
g

Suspensions

Stiffness
KMS
7.41
N/mm
Compliance
CMS
135
µm/N
Equivalent volume to the compliance
VAS
154
L
Mechanical resistance
RMS
2.69
N·s/m

Dimensions

Nominal diameter
15
381
mm
Volume occupied by the driver (estimated)
4.3
L
Frame material
Injected Aluminum
D.A.S. Audio 15SX SPL

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