Rockford Fosgate R2SD4-12
Rockford Fosgate R2SD4-12
Model

Rockford Fosgate R2SD4-12

Rating
DIAM
12"
FS(Hz)
30.3
VAS(l)
65.4
QTS
0.65
PWR(W)
500
SPL(dB)
85.9
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)
30.3
Vas(l)
65.4
Qts
0.65
Qms
7
Qes
0.717
Bl(Tm)
17.6
Mms(gr)
171
Cms(mm/N)
0.161
Rms(kg/s)
4.662
Le(mH)
0
Re(Ohm)
6.8
Sd(sq.mm)
53480
Vd(l)
0.535
X-max(mm)
10
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
85.9
Sensitivity(dB) 2.8-V
0

Mounting Information

Speaker Displacement (l)
1.1
Total Diameter (mm)
0
Cutout Diameter (mm)
285
Mounting Depth (mm)
91
Magnet Diameter (mm)
0

Optimum Enclosures

Enclosures
Closed, BP4

Speaker response