Dayton Audio SD270A-88

Subwoofer

10″ / 270 mm
Nominal diameter
26 Hz
Resonance
0.43
Q factor
88 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

Available on (affiliate link)

Parts Express
$$

Specifications

Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.5
dB
Frequency response
26 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
26.2
Hz
Mechanical quality factor
QMS
3.23
Electrical quality factor
QES
0.50
Total quality factor
QTS
0.43

Large signal parameters

Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
208
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
12.6
Ω
Inductance (1kHz, in series)
LE
4.48
mH
VC Diameter
39
mm
Winding material
Copper
Former material
Aluminum

Magnet

Force factor (in series)
Bl
15.6
N/A
Motor constant
Bl/√RE
4.39
N/√W
Material
Ferrite

Diaphragm

Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
57.7
g
Moving mass (without air load)
MMD
52.9
g
Material
Coated Paper

Suspensions

Stiffness
KMS
1.56
N/mm
Compliance
CMS
640
µm/N
Equivalent volume to the compliance
VAS
108
L
Mechanical resistance
RMS
2.94
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
10
270
mm
Overall diameter
270
mm
Baffle cutout diameter
227
mm
Overall depth
109
mm
Volume occupied by the driver (estimated)
1.4
L
Frame material
Steel
Dayton Audio SD270A-88 Impedance
Dayton Audio SD270A-88 SPL
Dayton Audio SD270A-88 Dimensions

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar subwoofers to Dayton Audio SD270A-88

Cerwin Vega H4124D Subwoofer
12Subwoofer
fS
28 Hz
SD
490 cm²
QTS
0.50
xmax
14.0 mm
SPL1W
87 dB
Bl/√RE
6.76
Pmax
500 W
Focal RSB 300 Subwoofer
12Subwoofer
fS
25 Hz
SD
471 cm²
30 - 500 Hz
QTS
0.47
SPL1W
87 dB
Bl/√RE
6.56
Pmax
600 W
JL Audio 12W3v3-2 Subwoofer
12Subwoofer
fS
28 Hz
SD
520 cm²
QTS
0.50
xmax
13.0 mm
SPL1W
87 dB
Bl/√RE
7.14
Pmax
1000 W