Model
Alphard APOCALYPSE DB-SA2715D2
Rating
DIAM
15"
FS(Hz)
31
VAS(l)
62
QTS
0.42
PWR(W)
3400
SPL(dB)
88
IMP(Ohm)
2x2
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)
31
Vas(l)
62
Qts
0.42
Qms
6.95
Qes
0.447
Bl(Tm)
20.1
Mms(gr)
0
Cms(mm/N)
0
Rms(kg/s)
0
Le(mH)
0
Re(Ohm)
2.8
Sd(sq.mm)
0
Vd(l)
0
X-max(mm)
18
X-mech(mm)
0
General Parameters
Diameter (inch)
15
Max Power(W.)
3400
RMS Power(W.)
1700
Number of Coils
2
Impedance Z-Nom(Ohm)
2
Reference efficiency η0(%)
0.4
Sensitivity(dB) 1-W
88
Sensitivity(dB) 2.8-V
92.6
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
400
Cutout Diameter (mm)
352
Mounting Depth (mm)
200
Magnet Diameter (mm)
220
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6
