Specifications : 

Nominal Diameter-----------------15 "

Nominal Impedance --------------4 + 4 ohms

RMS Power Handling-------------2500 watts 

Maximum Power Handling-------5000 watts  

Sensitivity ( 1w / 1m )-------------92 dB

 Frequency Response -------------35Hz 1.5KHz 

Motor : 

Voice Coil Diameter . -------------------4 " / 99.8mm

Voice Coil Former Material------------- Black Aluminum

Winding Material ------------------------CCAW

Cone Material .---------------------------Paper 

Dust Cap Material .. -------------------- PPI

Surround Material . ----------------------Foam

Basket Material . --------------------------Black Aluminum

Magnet Material . -------------------------Ferrite

Magnet Weight .. --------------------------300 oz 

     

Thiele & Small Parameters :

 Equivalent Volume                     Vas .--------------------24.538L

 Excursion ( one way )                Xmax ...----------------30mm

Free Air Resonance                    Fs-----------------------49.5Hz

 Mechanical Factor                     Qms---------------------7.098

Electrical Factor                          Qes----------------------0.62

Moving Mass                               Mms--------------------394

 . 

 Measurements : 

Overall Diameter----------------------394mm / 15.51 " 

Overall Depth--------------------------248mm / 9.76 " 

Front Mount Baffle Cutout----------351mm / 13.81 

Mouting Depth-------------------------219mm8.62 "

Motor Diameter----------------------- 229mm / 9.02 "