Model
RCF LF21X451
Rating
DIAM
21"
FS(Hz)
28
VAS(l)
385
QTS
0.37
PWR(W)
2000
SPL(dB)
0
IMP(Ohm)
0x0
avb
UNK
Thiele-Small Parameters
Fs(Hz)
28
Vas(l)
385
Qts
0.37
Qms
6.9
Qes
0.39
Bl(Tm)
30.5
Mms(gr)
355
Cms(mm/N)
0.092
Rms(kg/s)
0
Le(mH)
0
Re(Ohm)
0
Sd(sq.mm)
173000
Vd(l)
2.336
X-max(mm)
14
X-mech(mm)
0
General Parameters
Diameter (inch)
21
Max Power(W.)
2000
RMS Power(W.)
1000
Number of Coils
0
Impedance Z-Nom(Ohm)
0
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
0
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
0
Mounting Depth (mm)
0
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
BP4, BP6P, Closed, Vented
