Dayton Audio Designer DSA270-8
Woofer
10″ / 270 mm
Nominal diameter
30 Hz
Resonance
0.39
Q factor
88 dB
Sensitivity
± 5.5 mm
Linear excursion
200 W
Program Power
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Available on (affiliate link)
Parts Express
$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.1
dB
Frequency response
29 - 6000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
29.6
Hz
Mechanical quality factor
QMS
2.09
Electrical quality factor
QES
0.47
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
5.5
mm
Air volume displaced at xmax
VD
194
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
1.07
mH
VC Diameter
39
mm
Winding material
Copper
Former material
Aluminum
Magnet
Force factor
Bl
11.2
N/A
Motor constant
Bl/√RE
4.82
N/√W
Weight
1.758
kg
Material
Ferrite
Diaphragm
Effective diameter
212
mm
Effective area
SD
353
cm²
Moving mass
MMS
59.6
g
Moving mass (without air load)
MMD
54.7
g
Material
Aluminum
Suspensions
Stiffness
KMS
2.04
N/mm
Compliance
CMS
490
µm/N
Equivalent volume to the compliance
VAS
88.1
L
Mechanical resistance
RMS
5.31
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
10
″
270
mm
Overall diameter
270
mm
Baffle cutout diameter
227
mm
Overall depth
112
mm
Volume occupied by the driver (estimated)
1.4
L
Frame material
Steel
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