Model
Rockford Fosgate R2D4-12
Rating
DIAM
12"
FS(Hz)
34.9
VAS(l)
68.8
QTS
0.6
PWR(W)
500
SPL(dB)
88.4
IMP(Ohm)
4x2
avb
PROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
34.9
Vas(l)
68.8
Qts
0.6
Qms
7.33
Qes
0.653
Bl(Tm)
17.3
Mms(gr)
125
Cms(mm/N)
0.167
Rms(kg/s)
3.725
Le(mH)
0
Re(Ohm)
7.2
Sd(sq.mm)
53910
Vd(l)
0.35
X-max(mm)
7
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
500
RMS Power(W.)
250
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
88.4
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
1.3
Total Diameter (mm)
0
Cutout Diameter (mm)
285
Mounting Depth (mm)
128
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, BP4
