15″ / 381 mm
Nominal diameter
26 Hz
Resonance
0.43
Q factor
88 dB
Sensitivity
± 16.4 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.9
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
26.3
Hz
Mechanical quality factor
QMS
6.50
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
16.4
mm
Air volume displaced at xmax
VD
1386
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.3
Ω
Inductance (1kHz, in series)
LE
1.6
mH
VC Diameter
76
mm
Magnet
Force factor (in series)
Bl
20.6
N/A
Motor constant
Bl/√RE
11.4
N/√W
Weight
6.49
kg
Diaphragm
Effective diameter
328
mm
Effective area
SD
845
cm²
Moving mass
MMS
362.6
g
Moving mass (without air load)
MMD
345.7
g
Suspensions
Stiffness
KMS
9.9
N/mm
Compliance
CMS
101
µm/N
Equivalent volume to the compliance
VAS
102
L
Mechanical resistance
RMS
9.22
N·s/m
Dimensions
Nominal diameter
15
″
381
mm
Baffle cutout diameter
354
mm
Mounting depth
213
mm
Volume occupied by the driver
5.41
L
Export this driver to a simulation software:
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QSpeakers
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MfbLabs
SpeakerbenchSimilar subwoofers to Rockford Fosgate T1D215
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PowerBass 3XL-1502D2 x 2 Ω
15″Subwoofer
fS
24 Hz
SD
855 cm²
25 - 400 Hz
QTS
0.42
xmax
24.0 mm
SPL1W
88 dB
Bl/√RE
11
Pmax
2000 W
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16″Subwoofer
fS
29 Hz
SD
1034 cm²
QTS
0.49
xmax
34.0 mm
SPL1W
88 dB
Bl/√RE
13
Pmax
5000 W
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15″Subwoofer
fS
26 Hz
SD
771 cm²
30 - 300 Hz
QTS
0.42
xmax
23.9 mm
SPL1W
88 dB
Bl/√RE
12
Pmax
600 W