Rockford Fosgate T1S1-12

Shallow Subwoofer

12″ / 305 mm
Nominal diameter
37 Hz
Resonance
1.06
Q factor
85 dB
Sensitivity
± 15 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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
85.0
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
11.22
Electrical quality factor
QES
1.17
Total quality factor
QTS
1.06

Large signal parameters

Maximum linear excursion
xmax
15.0
mm
Air volume displaced at xmax
VD
840
cm³
Power handling
P
600
W
Program power
Pmax
1200
W

Voice Coil

Nominal impedance
Z
1
Ω
DC resistance
RE
1.7
Ω
Inductance (1kHz)
LE
0.31
mH
VC Diameter
76
mm

Magnet

Force factor
Bl
9.3
N/A
Motor constant
Bl/√RE
7.13
N/√W
Weight
0.41
kg

Diaphragm

Effective diameter
267
mm
Effective area
SD
560
cm²
Moving mass
MMS
253.5
g
Moving mass (without air load)
MMD
244.5
g

Suspensions

Stiffness
KMS
13.7
N/mm
Compliance
CMS
73
µm/N
Equivalent volume to the compliance
VAS
32.4
L
Mechanical resistance
RMS
5.25
N·s/m

Dimensions

Nominal diameter
12
305
mm
Baffle cutout diameter
285
mm
Mounting depth
77
mm
Volume occupied by the driver
1.19
L

Export this driver to a simulation software:

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