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Peerless HDS 180 exclusive Midwoofer

 

HDS EXCLUSIVE      180 WR 33 102 NWP AL CU PH LS 8 OHM   -   830883  



 

 
Electrical data      
Nominal impedance Zn 8  (ohm)
Minimum imp./at freq. Zmin 6.7/274  (ohm/Hz)
Maximum impedance Zo 38.1  (ohm)
Dc resistance Re 5.8  (ohm)
Voice coil inductance Le 1.3  (mH)
       
TS Parameters      
Resonance Frequency fs 52.3  (Hz)
Mechanical Q factor Qms 2.79  
Electrical Q factor Qes 0.50  
Total Q factor Qts 0.43  
       
Force factor Bl 8.2  (Tm)
Mechanical resistance Rms 2.09  (Kg/s)
Moving mass Mms 17.7  (g)
Suspens. compliance Cms 0.52  (mm/N)
Effective cone diam. D 13.1  (cm)
Effective piston area Sd 134  (cm²)
Equivalent volume Vas 13.0  (ltrs)
SPL 2.83V/1m at fmin   87.5  (dB)
 
Voice coil and magnet parameters  
Voice coil diameter 33.0  (mm)
Voice coil length 17.0  (mm)
Voice coil layers 2  
Height of the gap 6.0  (mm)
Linear excursion +/- 5.5  (mm)
Max mech. excursion +/- -  (mm)
Total useful flux 1.1  (mWb)
Diameter of magnet 102  (mm)
Height of magnet 20  (mm)
Weight of magnet 0.68  (kg)
     
Factors    
Ratio fs/Qts 122  
Ratio BL/sqrt(Re) 3.4  
     
Special remarks    
-
 


 

 
Power handling  
100h RMS noise test (IEC) -  (W)
Longterm Max System Power (IEC) -  (W)
IEC268-5 noise signal is used for the powertest.
 
Remarks on powertest    
-
 



 

Measuring methods and conditions are stated in Peerless Standard for Acoustic Measurements (PSAM)

 

This drive unit is optimised for tuning in a vented box.





 



 

venerdì 20 giugno 2008


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