Dayton Audio SD215A-88

Subwoofer

8″ / 216 mm
Nominal diameter
31 Hz
Resonance
0.39
Q factor
86 dB
Sensitivity
± 6 mm
Linear excursion
160 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

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Specifications

Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.8
dB
Frequency response
31 - 2500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
31.0
Hz
Mechanical quality factor
QMS
3.10
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.39

Large signal parameters

Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
125
cm³
Power handling
P
80
W
Program power
Pmax
160
W

Voice Coil

Nominal impedance
Z
2 x 8
Ω
DC resistance (in series)
RE
12.8
Ω
Inductance (1kHz, in series)
LE
4.64
mH
VC Diameter
39
mm
Winding material
Copper
Former material
Aluminum

Magnet

Force factor (in series)
Bl
15.4
N/A
Motor constant
Bl/√RE
4.3
N/√W
Material
Ferrite

Diaphragm

Effective diameter
163
mm
Effective area
SD
209
cm²
Moving mass
MMS
42.4
g
Moving mass (without air load)
MMD
40.1
g
Material
Coated Paper

Suspensions

Stiffness
KMS
1.61
N/mm
Compliance
CMS
620
µm/N
Equivalent volume to the compliance
VAS
38.2
L
Mechanical resistance
RMS
2.66
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
8
216
mm
Overall diameter
216
mm
Baffle cutout diameter
180
mm
Overall depth
95
mm
Volume occupied by the driver (estimated)
0.86
L
Frame material
Steel
Dayton Audio SD215A-88 Impedance
Dayton Audio SD215A-88 SPL
Dayton Audio SD215A-88 Dimensions

Export this driver to a simulation software:

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