13″ / 330 mm
Nominal diameter
26 Hz
Resonance
0.35
Q factor
86 dB
Sensitivity
± 34 mm
Linear excursion
4000 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
Available on (affiliate link)
Amazon.com
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.2
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
25.5
Hz
Mechanical quality factor
QMS
3.01
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
34.0
mm
Air volume displaced at xmax
VD
2404
cm³
Power handling
P
2000
W
Program power
Pmax
4000
W
Voice Coil
Nominal impedance
Z
2
Ω
DC resistance
RE
1.6
Ω
Inductance (1kHz)
LE
0.91
mH
VC Diameter
101
mm
Magnet
Force factor
Bl
16.0
N/A
Motor constant
Bl/√RE
12.6
N/√W
Weight
14.97
kg
Diaphragm
Effective diameter
300
mm
Effective area
SD
707
cm²
Moving mass
MMS
401.6
g
Moving mass (without air load)
MMD
389.3
g
Suspensions
Stiffness
KMS
10.31
N/mm
Compliance
CMS
97
µm/N
Equivalent volume to the compliance
VAS
68.7
L
Mechanical resistance
RMS
21.38
N·s/m
Dimensions
Nominal diameter
13
″
330
mm
Baffle cutout diameter
312
mm
Mounting depth
246
mm
Volume occupied by the driver
7.08
L
Similar subwoofers to Rockford Fosgate T2S2-13
13″Subwoofer
fS
25 Hz
SD
707 cm²
QTS
0.34
xmax
34.0 mm
SPL1W
86 dB
Bl/√RE
13
Pmax
4000 W
12″Subwoofer
fS
30 Hz
SD
510 cm²
30 - 450 Hz
QTS
0.40
xmax
13.0 mm
SPL1W
85 dB
Bl/√RE
9.13
Pmax
900 W
12″Subwoofer
fS
28 Hz
SD
510 cm²
25 - 450 Hz
QTS
0.40
xmax
13.0 mm
SPL1W
85 dB
Bl/√RE
9.13
Pmax
900 W