Model
Alphard DEAF BONCE DB-183D2
Rating
DIAM
18"
FS(Hz)
28
VAS(l)
87.7
QTS
0.45
PWR(W)
2600
SPL(dB)
90
IMP(Ohm)
2x2
avb
UNK
Thiele-Small Parameters
Fs(Hz)
28
Vas(l)
87.7
Qts
0.45
Qms
0
Qes
0
Bl(Tm)
16.7
Mms(gr)
0
Cms(mm/N)
0
Rms(kg/s)
0
Le(mH)
0
Re(Ohm)
0
Sd(sq.mm)
0
Vd(l)
0
X-max(mm)
24
X-mech(mm)
0
General Parameters
Diameter (inch)
18
Max Power(W.)
2600
RMS Power(W.)
1300
Number of Coils
2
Impedance Z-Nom(Ohm)
2
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
90
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
429
Mounting Depth (mm)
272
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6
