Alphard APOCALYPSE DB-SA2715D2
Alphard APOCALYPSE DB-SA2715D2
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

Thiele-Small Parameters

Fs(Hz)
31
Vas(l)
62
Qts
0.42
Qms
6.95
Qes
0.447
Bl(Tm)
20.1
Cms(mm/N)
0
Rms(kg/s)
0
Le(mH)
0
Mms(gr)
0
Vd(l)
0
Sd(sq.mm)
0
X-max(mm)
18
X-mech(mm)
0
Re(Ohm)
2.8

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

Speaker response