Model
Alphard APOCALYPSE DB-SA2712D2
Rating
DIAM
12"
FS(Hz)
33
VAS(l)
41
QTS
0.4
PWR(W)
3400
SPL(dB)
86
IMP(Ohm)
2x2
avb
PROD
Thiele-Small Parameters
Fs(Hz)  
            33
        
Vas(l)  
            41
        
Qts  
            0.4
        
Qms  
            0
        
Qes  
            0
        
Bl(Tm)  
            20.3
        
Mms(gr)  
            0
        
Cms(mm/N)  
            0
        
Rms(kg/s)  
            0
        
Le(mH)  
            0
        
Re(Ohm)  
            1.4
        
Sd(sq.mm)  
            0
        
Vd(l)  
            0
        
X-max(mm)  
            18
        
X-mech(mm)  
            0
        
General Parameters
Diameter (inch)  
            12
        
Max Power(W.)  
            3400
        
RMS Power(W.)  
            1700
        
Number of Coils  
            2
        
Impedance Z-Nom(Ohm)  
            2
        
Reference efficiency η0(%)  
            0
        
Sensitivity(dB) 1-W  
            86
        
Sensitivity(dB) 2.8-V  
            0
        
Mounting Information
Speaker Displacement (l)  
            0
        
Total Diameter (mm)  
            321
        
Cutout Diameter (mm)  
            279
        
Mounting Depth (mm)  
            167
        
Magnet Diameter (mm)  
            220
        
Optimum Enclosures
Enclosures  
            BP4, BP6P, Closed, Vented
        
