10″ / 270 mm
Nominal diameter
28 Hz
Resonance
0.43
Q factor
88 dB
Sensitivity
± 6.1 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
Available on (affiliate links)
Amazon.com
$$$
Parts Express
$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.7
dB
Frequency response
25 - 6000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
27.8
Hz
Mechanical quality factor
QMS
1.95
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
6.1
mm
Air volume displaced at xmax
VD
211
cm³
Power handling
P
80
W
Program power
Pmax
160
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
1.2
mH
VC Diameter
36
mm
Magnet
Force factor
Bl
10.1
N/A
Motor constant
Bl/√RE
4.02
N/√W
Weight
1.503
kg
Diaphragm
Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
51.3
g
Moving mass (without air load)
MMD
46.5
g
Suspensions
Stiffness
KMS
1.56
N/mm
Compliance
CMS
640
µm/N
Equivalent volume to the compliance
VAS
109
L
Mechanical resistance
RMS
4.6
N·s/m
Dimensions
Nominal diameter
10
″
270
mm
Overall diameter
270
mm
Baffle cutout diameter
227
mm
Overall depth
115
mm
Volume occupied by the driver (estimated)
1.5
L
Similar woofers to Dayton Audio DA270-8
10″Subwoofer
fS
27 Hz
SD
448 cm²
10 - 900 Hz
QTS
0.49
xmax
9.5 mm
SPL1W
88 dB
Bl/√RE
6.08
Pmax
1200 W
10″Woofer
fS
30 Hz
SD
346 cm²
27 - 2040 Hz
QTS
0.47
xmax
6.6 mm
SPL1W
88 dB
Bl/√RE
3.95
Pmax
200 W
12″Subwoofer
fS
28 Hz
SD
490 cm²
QTS
0.50
xmax
14.0 mm
SPL1W
87 dB
Bl/√RE
6.76
Pmax
500 W