Model
DB Drive K9 12D4
Rating
DIAM
12"
FS(Hz)
27.5
VAS(l)
37.7
QTS
0.45
PWR(W)
2000
SPL(dB)
83.8
IMP(Ohm)
4x2
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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)
27.5
Vas(l)
37.7
Qts
0.45
Qms
4.4
Qes
0.5
Bl(Tm)
0
Mms(gr)
0
Cms(mm/N)
0
Rms(kg/s)
0
Le(mH)
0
Re(Ohm)
6.4
Sd(sq.mm)
0
Vd(l)
0
X-max(mm)
25
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
2000
RMS Power(W.)
1000
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.15
Sensitivity(dB) 1-W
83.8
Sensitivity(dB) 2.8-V
84.8
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
312
Cutout Diameter (mm)
284
Mounting Depth (mm)
169
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6