Rockford Fosgate T3S1-19

1Ω
2Ω

Subwoofer

19″ / 483 mm
Nominal diameter
27 Hz
Resonance
0.32
Q factor
89 dB
Sensitivity
± 34 mm
Linear excursion
6000 W
Program Power
Rockford Fosgate T3S1-19 SubwooferRockford Fosgate T3S1-19 SubwooferRockford Fosgate T3S1-19 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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
88.8
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
27.0
Hz
Mechanical quality factor
QMS
1.93
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.32

Large signal parameters

Maximum linear excursion
xmax
34.0
mm
Air volume displaced at xmax
VD
5005
cm³
Power handling
P
3000
W
Program power
Pmax
6000
W

Voice Coil

Nominal impedance
Z
1
Ω
DC resistance
RE
0.8
Ω
Inductance (1kHz)
LE
0.45
mH
VC Diameter
127
mm

Magnet

Force factor
Bl
19.1
N/A
Motor constant
Bl/√RE
21.4
N/√W
Weight
3.26
kg

Diaphragm

Effective diameter
433
mm
Effective area
SD
1472
cm²
Moving mass
MMS
1022
g
Moving mass (without air load)
MMD
984.6
g

Suspensions

Stiffness
KMS
29.41
N/mm
Compliance
CMS
34
µm/N
Equivalent volume to the compliance
VAS
105
L
Mechanical resistance
RMS
89.83
N·s/m

Dimensions

Nominal diameter
19
″
483
mm
Baffle cutout diameter
445
mm
Mounting depth
396
mm
Volume occupied by the driver
9.6
L
Impedance
Step response
Tone Burst
DatasheetDatasheet

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