Model
Alphard DEAF BONCE DB-318D1
Rating
DIAM
18"
FS(Hz)
29.5
VAS(l)
176
QTS
0.56
PWR(W)
5000
SPL(dB)
89
IMP(Ohm)
1x2
avb
UNK
Thiele-Small Parameters
Fs(Hz)
29.5
Vas(l)
176
Qts
0.56
Qms
8.01
Qes
0.6
Bl(Tm)
28
Mms(gr)
970
Cms(mm/N)
0.03
Rms(kg/s)
0
Le(mH)
0
Re(Ohm)
0
Sd(sq.mm)
0
Vd(l)
0
X-max(mm)
28
X-mech(mm)
0
General Parameters
Diameter (inch)
18
Max Power(W.)
5000
RMS Power(W.)
2500
Number of Coils
2
Impedance Z-Nom(Ohm)
1
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
89
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
429
Mounting Depth (mm)
309
Magnet Diameter (mm)
240
Optimum Enclosures
Enclosures
Closed, BP4
