Model
Rockford Fosgate T115D4
Rating
DIAM
15"
FS(Hz)
27
VAS(l)
89.1
QTS
0.51
PWR(W)
1200
SPL(dB)
86.8
IMP(Ohm)
4x2
avb
NOPROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
27
Vas(l)
89.1
Qts
0.51
Qms
6.05
Qes
0.557
Bl(Tm)
25.5
Mms(gr)
345
Cms(mm/N)
0.101
Rms(kg/s)
9.668
Le(mH)
0
Re(Ohm)
6.2
Sd(sq.mm)
79000
Vd(l)
1.106
X-max(mm)
14
X-mech(mm)
0
General Parameters
Diameter (inch)
15
Max Power(W.)
1200
RMS Power(W.)
600
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.3
Sensitivity(dB) 1-W
86.8
Sensitivity(dB) 2.8-V
87.9
Mounting Information
Speaker Displacement (l)
5
Total Diameter (mm)
400
Cutout Diameter (mm)
352
Mounting Depth (mm)
212
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
BP4, Closed
