Dayton Audio Max-X MX12-22

Subwoofer

12″ / 316 mm
Nominal diameter
29 Hz
Resonance
0.35
Q factor
86 dB
Sensitivity
± 15.5 mm
Linear excursion
1200 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
Sensitivity (1W, 1m, infinite baffle)
SPL1W
86.2
dB
Frequency response
23 - 450
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
28.8
Hz
Mechanical quality factor
QMS
3.25
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.35

Large signal parameters

Maximum linear excursion
xmax
15.5
mm
Air volume displaced at xmax
VD
798
cm³
Power handling
P
600
W
Program power
Pmax
1200
W

Voice Coil

Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
4.0
Ω
Inductance (1kHz, in series)
LE
5.09
mH
VC Diameter
64
mm

Magnet

Force factor (in series)
Bl
21.5
N/A
Motor constant
Bl/√RE
10.8
N/√W
Material
Ferrite

Diaphragm

Effective diameter
256
mm
Effective area
SD
515
cm²
Moving mass
MMS
252
g
Moving mass (without air load)
MMD
243.5
g
Material
Paper / Glass Fiber

Suspensions

Stiffness
KMS
8.33
N/mm
Compliance
CMS
120
µm/N
Equivalent volume to the compliance
VAS
45.6
L
Mechanical resistance
RMS
14.03
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
12
316
mm
Overall diameter
316
mm
Baffle cutout diameter
284
mm
Overall depth
198
mm
Volume occupied by the driver (estimated)
3.8
L
Frame material
Steel
Dayton Audio MX12-22 Impedance

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