Model
Rockford Fosgate SP-412 THE PUNCH
Rating
DIAM
12"
FS(Hz)
32
VAS(l)
146
QTS
0.58
PWR(W)
200
SPL(dB)
90.2
IMP(Ohm)
4x1
avb
NOPROD
Thiele-Small Parameters
Fs(Hz)
32
Vas(l)
146
Qts
0.58
Qms
3.4
Qes
0.7
Bl(Tm)
8.3
Mms(gr)
71
Cms(mm/N)
0.35
Rms(kg/s)
4.25
Le(mH)
0.65
Re(Ohm)
3.3
Sd(sq.mm)
55000
Vd(l)
0.34
X-max(mm)
6
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
200
RMS Power(W.)
100
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.66
Sensitivity(dB) 1-W
90.2
Sensitivity(dB) 2.8-V
94
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
308
Cutout Diameter (mm)
279
Mounting Depth (mm)
126
Magnet Diameter (mm)
133
Optimum Enclosures
Enclosures
Closed, BP4
