Dayton Audio Ultimax UM10-22
Subwoofer
10″ / 274 mm
Nominal diameter
32 Hz
Resonance
0.72
Q factor
80 dB
Sensitivity
± 19 mm
Linear excursion
1000 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
80.4
dB
Frequency response
20 - 800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
31.9
Hz
Mechanical quality factor
QMS
3.02
Electrical quality factor
QES
0.94
Total quality factor
QTS
0.72
Large signal parameters
Maximum linear excursion
xmax
19.0
mm
Air volume displaced at xmax
VD
623
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.7
Ω
Inductance (1kHz, in series)
LE
0.77
mH
VC Diameter
64
mm
Winding material
Copper
Former material
Aluminum
Magnet
Force factor (in series)
Bl
12.3
N/A
Motor constant
Bl/√RE
6.39
N/√W
Material
Ferrite
Diaphragm
Effective diameter
204
mm
Effective area
SD
328
cm²
Moving mass
MMS
192
g
Moving mass (without air load)
MMD
187.4
g
Material
Nomex
Suspensions
Stiffness
KMS
7.69
N/mm
Compliance
CMS
130
µm/N
Equivalent volume to the compliance
VAS
19.6
L
Mechanical resistance
RMS
12.74
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
10
″
274
mm
Overall diameter
274
mm
Baffle cutout diameter
241
mm
Overall depth
145
mm
Volume occupied by the driver (estimated)
2.1
L
Frame material
Cast Aluminium
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fS
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SD
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27 - 1000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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Pmax
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fS
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SD
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30 - 800 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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