Model
Jaycar CW-2145-12 (300MM) CARBON FIBRE WOOFER
Rating
Attention! Parameters of that speaker were not checked: a source of data, manual were not found.
 DIAM
12"
FS(Hz)
21.3
VAS(l)
230
QTS
0.35
PWR(W)
400
SPL(dB)
89.7
IMP(Ohm)
8x1
avb
NOPROD
Thiele-Small Parameters
Fs(Hz)  
            21.3
        
Vas(l)  
            230
        
Qts  
            0.35
        
Qms  
            8.7
        
Qes  
            0.364
        
Bl(Tm)  
            14.6
        
Mms(gr)  
            84
        
Cms(mm/N)  
            0.665
        
Rms(kg/s)  
            1.29
        
Le(mH)  
            0
        
Re(Ohm)  
            6.9
        
Sd(sq.mm)  
            49400
        
Vd(l)  
            0
        
X-max(mm)  
            0
        
X-mech(mm)  
            0
        
General Parameters
Diameter (inch)  
            12
        
Max Power(W.)  
            400
        
RMS Power(W.)  
            200
        
Number of Coils  
            1
        
Impedance Z-Nom(Ohm)  
            8
        
Reference efficiency η0(%)  
            0.59
        
Sensitivity(dB) 1-W  
            89.7
        
Sensitivity(dB) 2.8-V  
            90.3
        
Mounting Information
Speaker Displacement (l)  
            0
        
Total Diameter (mm)  
            307
        
Cutout Diameter (mm)  
            275
        
Mounting Depth (mm)  
            145
        
Magnet Diameter (mm)  
            0
        
Optimum Enclosures
Enclosures  
            BP4, BP6P, Closed, Vented
        
