Rockford Fosgate T0D415

2x2Ω
2x4Ω

Subwoofer

15″ / 381 mm
Nominal diameter
26 Hz
Resonance
0.52
Q factor
87 dB
Sensitivity
± 14.8 mm
Linear excursion
1600 W
Program Power
Discontinued
Rockford Fosgate T0D415 SubwooferRockford Fosgate T0D415 SubwooferRockford Fosgate T0D415 Subwoofer
Excursion
Velocity
SPL
Phase
Group delay
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
87.0
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
26.2
Hz
Mechanical quality factor
QMS
6.00
Electrical quality factor
QES
0.57
Total quality factor
QTS
0.52

Large signal parameters

Maximum linear excursion
xmax
14.8
mm
Air volume displaced at xmax
VD
1251
cm³
Power handling
P
800
W
Program power
Pmax
1600
W

Voice Coil

Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.0
Ω
Inductance (1kHz, in series)
LE
7.9
mH
VC Diameter
76
mm

Magnet

Force factor (in series)
Bl
26.2
N/A
Motor constant
Bl/√RE
10.7
N/√W
Weight
4.99
kg

Diaphragm

Effective diameter
328
mm
Effective area
SD
845
cm²
Moving mass
MMS
396.8
g
Moving mass (without air load)
MMD
379.9
g

Suspensions

Stiffness
KMS
10.75
N/mm
Compliance
CMS
93
µm/N
Equivalent volume to the compliance
VAS
94.4
L
Mechanical resistance
RMS
10.89
N·s/m

Dimensions

Nominal diameter
15
″
381
mm
Baffle cutout diameter
353
mm
Mounting depth
213
mm
Volume occupied by the driver
5.41
L
Impedance
Step response
Tone Burst
DatasheetDatasheet

Export this driver to a simulation software:

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Similar subwoofers to Rockford Fosgate T0D415

Hertz CS 300 S2 Subwoofer
Hertz  CS 300 S22 Ω
12″Subwoofer
fS
25 Hz
SD
555 cm²
QTS
0.46
xmax
12.5 mm
SPL1W
87 dB
Bl/√RE
8.09
Pmax
700 W