Model
Hertz DS 30.3
Rating
DIAM
12"
FS(Hz)
29
VAS(l)
94
QTS
0.51
PWR(W)
500
SPL(dB)
87.7
IMP(Ohm)
4x1
avb
UNK
Thiele-Small Parameters
Fs(Hz)  
            29
        
Vas(l)  
            94
        
Qts  
            0.51
        
Qms  
            3.95
        
Qes  
            0.59
        
Bl(Tm)  
            11.6
        
Mms(gr)  
            127
        
Cms(mm/N)  
            0.237
        
Rms(kg/s)  
            5.858
        
Le(mH)  
            0
        
Re(Ohm)  
            3.4
        
Sd(sq.mm)  
            52883
        
Vd(l)  
            0.476
        
X-max(mm)  
            9
        
X-mech(mm)  
            0
        
General Parameters
Diameter (inch)  
            12
        
Max Power(W.)  
            500
        
RMS Power(W.)  
            250
        
Number of Coils  
            1
        
Impedance Z-Nom(Ohm)  
            4
        
Reference efficiency η0(%)  
            0
        
Sensitivity(dB) 1-W  
            87.7
        
Sensitivity(dB) 2.8-V  
            0
        
Mounting Information
Speaker Displacement (l)  
            1.8
        
Total Diameter (mm)  
            0
        
Cutout Diameter (mm)  
            279
        
Mounting Depth (mm)  
            120
        
Magnet Diameter (mm)  
            0
        
Optimum Enclosures
Enclosures  
            BP4, Closed
        
